mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
53a4620fba
Threaded input can increase smoothness of e.g. x11grab significantly. Before this patch, in order to activate threaded input the user had to specify a "dummy" additional input, with this change it is no longer required. Signed-off-by: Marton Balint <cus@passwd.hu>
3784 lines
152 KiB
C
3784 lines
152 KiB
C
|
|
/*
|
|
* ffmpeg option parsing
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "ffmpeg.h"
|
|
#include "cmdutils.h"
|
|
|
|
#include "libavformat/avformat.h"
|
|
|
|
#include "libavcodec/avcodec.h"
|
|
|
|
#include "libavfilter/avfilter.h"
|
|
|
|
#include "libavutil/avassert.h"
|
|
#include "libavutil/avstring.h"
|
|
#include "libavutil/avutil.h"
|
|
#include "libavutil/channel_layout.h"
|
|
#include "libavutil/intreadwrite.h"
|
|
#include "libavutil/fifo.h"
|
|
#include "libavutil/mathematics.h"
|
|
#include "libavutil/opt.h"
|
|
#include "libavutil/parseutils.h"
|
|
#include "libavutil/pixdesc.h"
|
|
#include "libavutil/pixfmt.h"
|
|
|
|
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
|
|
|
|
#define SPECIFIER_OPT_FMT_str "%s"
|
|
#define SPECIFIER_OPT_FMT_i "%i"
|
|
#define SPECIFIER_OPT_FMT_i64 "%"PRId64
|
|
#define SPECIFIER_OPT_FMT_ui64 "%"PRIu64
|
|
#define SPECIFIER_OPT_FMT_f "%f"
|
|
#define SPECIFIER_OPT_FMT_dbl "%lf"
|
|
|
|
static const char *opt_name_codec_names[] = {"c", "codec", "acodec", "vcodec", "scodec", "dcodec", NULL};
|
|
static const char *opt_name_audio_channels[] = {"ac", NULL};
|
|
static const char *opt_name_audio_sample_rate[] = {"ar", NULL};
|
|
static const char *opt_name_frame_rates[] = {"r", NULL};
|
|
static const char *opt_name_frame_sizes[] = {"s", NULL};
|
|
static const char *opt_name_frame_pix_fmts[] = {"pix_fmt", NULL};
|
|
static const char *opt_name_ts_scale[] = {"itsscale", NULL};
|
|
static const char *opt_name_hwaccels[] = {"hwaccel", NULL};
|
|
static const char *opt_name_hwaccel_devices[] = {"hwaccel_device", NULL};
|
|
static const char *opt_name_hwaccel_output_formats[] = {"hwaccel_output_format", NULL};
|
|
static const char *opt_name_autorotate[] = {"autorotate", NULL};
|
|
static const char *opt_name_autoscale[] = {"autoscale", NULL};
|
|
static const char *opt_name_max_frames[] = {"frames", "aframes", "vframes", "dframes", NULL};
|
|
static const char *opt_name_bitstream_filters[] = {"bsf", "absf", "vbsf", NULL};
|
|
static const char *opt_name_codec_tags[] = {"tag", "atag", "vtag", "stag", NULL};
|
|
static const char *opt_name_sample_fmts[] = {"sample_fmt", NULL};
|
|
static const char *opt_name_qscale[] = {"q", "qscale", NULL};
|
|
static const char *opt_name_forced_key_frames[] = {"forced_key_frames", NULL};
|
|
static const char *opt_name_force_fps[] = {"force_fps", NULL};
|
|
static const char *opt_name_frame_aspect_ratios[] = {"aspect", NULL};
|
|
static const char *opt_name_rc_overrides[] = {"rc_override", NULL};
|
|
static const char *opt_name_intra_matrices[] = {"intra_matrix", NULL};
|
|
static const char *opt_name_inter_matrices[] = {"inter_matrix", NULL};
|
|
static const char *opt_name_chroma_intra_matrices[] = {"chroma_intra_matrix", NULL};
|
|
static const char *opt_name_top_field_first[] = {"top", NULL};
|
|
static const char *opt_name_presets[] = {"pre", "apre", "vpre", "spre", NULL};
|
|
static const char *opt_name_copy_initial_nonkeyframes[] = {"copyinkfr", NULL};
|
|
static const char *opt_name_copy_prior_start[] = {"copypriorss", NULL};
|
|
static const char *opt_name_filters[] = {"filter", "af", "vf", NULL};
|
|
static const char *opt_name_filter_scripts[] = {"filter_script", NULL};
|
|
static const char *opt_name_reinit_filters[] = {"reinit_filter", NULL};
|
|
static const char *opt_name_fix_sub_duration[] = {"fix_sub_duration", NULL};
|
|
static const char *opt_name_canvas_sizes[] = {"canvas_size", NULL};
|
|
static const char *opt_name_pass[] = {"pass", NULL};
|
|
static const char *opt_name_passlogfiles[] = {"passlogfile", NULL};
|
|
static const char *opt_name_max_muxing_queue_size[] = {"max_muxing_queue_size", NULL};
|
|
static const char *opt_name_guess_layout_max[] = {"guess_layout_max", NULL};
|
|
static const char *opt_name_apad[] = {"apad", NULL};
|
|
static const char *opt_name_discard[] = {"discard", NULL};
|
|
static const char *opt_name_disposition[] = {"disposition", NULL};
|
|
static const char *opt_name_time_bases[] = {"time_base", NULL};
|
|
static const char *opt_name_enc_time_bases[] = {"enc_time_base", NULL};
|
|
|
|
#define WARN_MULTIPLE_OPT_USAGE(name, type, so, st)\
|
|
{\
|
|
char namestr[128] = "";\
|
|
const char *spec = so->specifier && so->specifier[0] ? so->specifier : "";\
|
|
for (i = 0; opt_name_##name[i]; i++)\
|
|
av_strlcatf(namestr, sizeof(namestr), "-%s%s", opt_name_##name[i], opt_name_##name[i+1] ? (opt_name_##name[i+2] ? ", " : " or ") : "");\
|
|
av_log(NULL, AV_LOG_WARNING, "Multiple %s options specified for stream %d, only the last option '-%s%s%s "SPECIFIER_OPT_FMT_##type"' will be used.\n",\
|
|
namestr, st->index, opt_name_##name[0], spec[0] ? ":" : "", spec, so->u.type);\
|
|
}
|
|
|
|
#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
|
|
{\
|
|
int i, ret, matches = 0;\
|
|
SpecifierOpt *so;\
|
|
for (i = 0; i < o->nb_ ## name; i++) {\
|
|
char *spec = o->name[i].specifier;\
|
|
if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0) {\
|
|
outvar = o->name[i].u.type;\
|
|
so = &o->name[i];\
|
|
matches++;\
|
|
} else if (ret < 0)\
|
|
exit_program(1);\
|
|
}\
|
|
if (matches > 1)\
|
|
WARN_MULTIPLE_OPT_USAGE(name, type, so, st);\
|
|
}
|
|
|
|
#define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
|
|
{\
|
|
int i;\
|
|
for (i = 0; i < o->nb_ ## name; i++) {\
|
|
char *spec = o->name[i].specifier;\
|
|
if (!strcmp(spec, mediatype))\
|
|
outvar = o->name[i].u.type;\
|
|
}\
|
|
}
|
|
|
|
const HWAccel hwaccels[] = {
|
|
#if CONFIG_VIDEOTOOLBOX
|
|
{ "videotoolbox", videotoolbox_init, HWACCEL_VIDEOTOOLBOX, AV_PIX_FMT_VIDEOTOOLBOX },
|
|
#endif
|
|
#if CONFIG_LIBMFX
|
|
{ "qsv", qsv_init, HWACCEL_QSV, AV_PIX_FMT_QSV },
|
|
#endif
|
|
{ 0 },
|
|
};
|
|
HWDevice *filter_hw_device;
|
|
|
|
char *vstats_filename;
|
|
char *sdp_filename;
|
|
|
|
float audio_drift_threshold = 0.1;
|
|
float dts_delta_threshold = 10;
|
|
float dts_error_threshold = 3600*30;
|
|
|
|
int audio_volume = 256;
|
|
int audio_sync_method = 0;
|
|
int video_sync_method = VSYNC_AUTO;
|
|
float frame_drop_threshold = 0;
|
|
int do_deinterlace = 0;
|
|
int do_benchmark = 0;
|
|
int do_benchmark_all = 0;
|
|
int do_hex_dump = 0;
|
|
int do_pkt_dump = 0;
|
|
int copy_ts = 0;
|
|
int start_at_zero = 0;
|
|
int copy_tb = -1;
|
|
int debug_ts = 0;
|
|
int exit_on_error = 0;
|
|
int abort_on_flags = 0;
|
|
int print_stats = -1;
|
|
int qp_hist = 0;
|
|
int stdin_interaction = 1;
|
|
int frame_bits_per_raw_sample = 0;
|
|
float max_error_rate = 2.0/3;
|
|
int filter_nbthreads = 0;
|
|
int filter_complex_nbthreads = 0;
|
|
int vstats_version = 2;
|
|
|
|
|
|
static int intra_only = 0;
|
|
static int file_overwrite = 0;
|
|
static int no_file_overwrite = 0;
|
|
static int do_psnr = 0;
|
|
static int input_sync;
|
|
static int input_stream_potentially_available = 0;
|
|
static int ignore_unknown_streams = 0;
|
|
static int copy_unknown_streams = 0;
|
|
static int find_stream_info = 1;
|
|
|
|
static void uninit_options(OptionsContext *o)
|
|
{
|
|
const OptionDef *po = options;
|
|
int i;
|
|
|
|
/* all OPT_SPEC and OPT_STRING can be freed in generic way */
|
|
while (po->name) {
|
|
void *dst = (uint8_t*)o + po->u.off;
|
|
|
|
if (po->flags & OPT_SPEC) {
|
|
SpecifierOpt **so = dst;
|
|
int i, *count = (int*)(so + 1);
|
|
for (i = 0; i < *count; i++) {
|
|
av_freep(&(*so)[i].specifier);
|
|
if (po->flags & OPT_STRING)
|
|
av_freep(&(*so)[i].u.str);
|
|
}
|
|
av_freep(so);
|
|
*count = 0;
|
|
} else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
|
|
av_freep(dst);
|
|
po++;
|
|
}
|
|
|
|
for (i = 0; i < o->nb_stream_maps; i++)
|
|
av_freep(&o->stream_maps[i].linklabel);
|
|
av_freep(&o->stream_maps);
|
|
av_freep(&o->audio_channel_maps);
|
|
av_freep(&o->streamid_map);
|
|
av_freep(&o->attachments);
|
|
}
|
|
|
|
static void init_options(OptionsContext *o)
|
|
{
|
|
memset(o, 0, sizeof(*o));
|
|
|
|
o->stop_time = INT64_MAX;
|
|
o->mux_max_delay = 0.7;
|
|
o->start_time = AV_NOPTS_VALUE;
|
|
o->start_time_eof = AV_NOPTS_VALUE;
|
|
o->recording_time = INT64_MAX;
|
|
o->limit_filesize = UINT64_MAX;
|
|
o->chapters_input_file = INT_MAX;
|
|
o->accurate_seek = 1;
|
|
o->thread_queue_size = -1;
|
|
}
|
|
|
|
static int show_hwaccels(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
|
|
|
|
printf("Hardware acceleration methods:\n");
|
|
while ((type = av_hwdevice_iterate_types(type)) !=
|
|
AV_HWDEVICE_TYPE_NONE)
|
|
printf("%s\n", av_hwdevice_get_type_name(type));
|
|
printf("\n");
|
|
return 0;
|
|
}
|
|
|
|
/* return a copy of the input with the stream specifiers removed from the keys */
|
|
static AVDictionary *strip_specifiers(AVDictionary *dict)
|
|
{
|
|
AVDictionaryEntry *e = NULL;
|
|
AVDictionary *ret = NULL;
|
|
|
|
while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
|
|
char *p = strchr(e->key, ':');
|
|
|
|
if (p)
|
|
*p = 0;
|
|
av_dict_set(&ret, e->key, e->value, 0);
|
|
if (p)
|
|
*p = ':';
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int opt_abort_on(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
static const AVOption opts[] = {
|
|
{ "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
|
|
{ "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
|
|
{ "empty_output_stream", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM }, .unit = "flags" },
|
|
{ NULL },
|
|
};
|
|
static const AVClass class = {
|
|
.class_name = "",
|
|
.item_name = av_default_item_name,
|
|
.option = opts,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
const AVClass *pclass = &class;
|
|
|
|
return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
|
|
}
|
|
|
|
static int opt_sameq(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
|
|
"If you are looking for an option to preserve the quality (which is not "
|
|
"what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
|
|
opt, opt);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
static int opt_video_channel(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
|
|
return opt_default(optctx, "channel", arg);
|
|
}
|
|
|
|
static int opt_video_standard(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
|
|
return opt_default(optctx, "standard", arg);
|
|
}
|
|
|
|
static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "codec:a", arg, options);
|
|
}
|
|
|
|
static int opt_video_codec(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "codec:v", arg, options);
|
|
}
|
|
|
|
static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "codec:s", arg, options);
|
|
}
|
|
|
|
static int opt_data_codec(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "codec:d", arg, options);
|
|
}
|
|
|
|
static int opt_map(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
StreamMap *m = NULL;
|
|
int i, negative = 0, file_idx, disabled = 0;
|
|
int sync_file_idx = -1, sync_stream_idx = 0;
|
|
char *p, *sync;
|
|
char *map;
|
|
char *allow_unused;
|
|
|
|
if (*arg == '-') {
|
|
negative = 1;
|
|
arg++;
|
|
}
|
|
map = av_strdup(arg);
|
|
if (!map)
|
|
return AVERROR(ENOMEM);
|
|
|
|
/* parse sync stream first, just pick first matching stream */
|
|
if (sync = strchr(map, ',')) {
|
|
*sync = 0;
|
|
sync_file_idx = strtol(sync + 1, &sync, 0);
|
|
if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
|
|
exit_program(1);
|
|
}
|
|
if (*sync)
|
|
sync++;
|
|
for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
|
|
if (check_stream_specifier(input_files[sync_file_idx]->ctx,
|
|
input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
|
|
sync_stream_idx = i;
|
|
break;
|
|
}
|
|
if (i == input_files[sync_file_idx]->nb_streams) {
|
|
av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
|
|
"match any streams.\n", arg);
|
|
exit_program(1);
|
|
}
|
|
if (input_streams[input_files[sync_file_idx]->ist_index + sync_stream_idx]->user_set_discard == AVDISCARD_ALL) {
|
|
av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s matches a disabled input "
|
|
"stream.\n", arg);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
|
|
if (map[0] == '[') {
|
|
/* this mapping refers to lavfi output */
|
|
const char *c = map + 1;
|
|
GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
|
|
m = &o->stream_maps[o->nb_stream_maps - 1];
|
|
m->linklabel = av_get_token(&c, "]");
|
|
if (!m->linklabel) {
|
|
av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
|
|
exit_program(1);
|
|
}
|
|
} else {
|
|
if (allow_unused = strchr(map, '?'))
|
|
*allow_unused = 0;
|
|
file_idx = strtol(map, &p, 0);
|
|
if (file_idx >= nb_input_files || file_idx < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
|
|
exit_program(1);
|
|
}
|
|
if (negative)
|
|
/* disable some already defined maps */
|
|
for (i = 0; i < o->nb_stream_maps; i++) {
|
|
m = &o->stream_maps[i];
|
|
if (file_idx == m->file_index &&
|
|
check_stream_specifier(input_files[m->file_index]->ctx,
|
|
input_files[m->file_index]->ctx->streams[m->stream_index],
|
|
*p == ':' ? p + 1 : p) > 0)
|
|
m->disabled = 1;
|
|
}
|
|
else
|
|
for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
|
|
if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
|
|
*p == ':' ? p + 1 : p) <= 0)
|
|
continue;
|
|
if (input_streams[input_files[file_idx]->ist_index + i]->user_set_discard == AVDISCARD_ALL) {
|
|
disabled = 1;
|
|
continue;
|
|
}
|
|
GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
|
|
m = &o->stream_maps[o->nb_stream_maps - 1];
|
|
|
|
m->file_index = file_idx;
|
|
m->stream_index = i;
|
|
|
|
if (sync_file_idx >= 0) {
|
|
m->sync_file_index = sync_file_idx;
|
|
m->sync_stream_index = sync_stream_idx;
|
|
} else {
|
|
m->sync_file_index = file_idx;
|
|
m->sync_stream_index = i;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!m) {
|
|
if (allow_unused) {
|
|
av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
|
|
} else if (disabled) {
|
|
av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches disabled streams.\n"
|
|
"To ignore this, add a trailing '?' to the map.\n", arg);
|
|
exit_program(1);
|
|
} else {
|
|
av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
|
|
"To ignore this, add a trailing '?' to the map.\n", arg);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
av_freep(&map);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_attach(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
GROW_ARRAY(o->attachments, o->nb_attachments);
|
|
o->attachments[o->nb_attachments - 1] = arg;
|
|
return 0;
|
|
}
|
|
|
|
static int opt_map_channel(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
int n;
|
|
AVStream *st;
|
|
AudioChannelMap *m;
|
|
char *allow_unused;
|
|
char *mapchan;
|
|
mapchan = av_strdup(arg);
|
|
if (!mapchan)
|
|
return AVERROR(ENOMEM);
|
|
|
|
GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
|
|
m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
|
|
|
|
/* muted channel syntax */
|
|
n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
|
|
if ((n == 1 || n == 3) && m->channel_idx == -1) {
|
|
m->file_idx = m->stream_idx = -1;
|
|
if (n == 1)
|
|
m->ofile_idx = m->ostream_idx = -1;
|
|
av_free(mapchan);
|
|
return 0;
|
|
}
|
|
|
|
/* normal syntax */
|
|
n = sscanf(arg, "%d.%d.%d:%d.%d",
|
|
&m->file_idx, &m->stream_idx, &m->channel_idx,
|
|
&m->ofile_idx, &m->ostream_idx);
|
|
|
|
if (n != 3 && n != 5) {
|
|
av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
|
|
"[file.stream.channel|-1][:syncfile:syncstream]\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (n != 5) // only file.stream.channel specified
|
|
m->ofile_idx = m->ostream_idx = -1;
|
|
|
|
/* check input */
|
|
if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
|
|
av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
|
|
m->file_idx);
|
|
exit_program(1);
|
|
}
|
|
if (m->stream_idx < 0 ||
|
|
m->stream_idx >= input_files[m->file_idx]->nb_streams) {
|
|
av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
|
|
m->file_idx, m->stream_idx);
|
|
exit_program(1);
|
|
}
|
|
st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
|
|
if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
|
|
av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
|
|
m->file_idx, m->stream_idx);
|
|
exit_program(1);
|
|
}
|
|
/* allow trailing ? to map_channel */
|
|
if (allow_unused = strchr(mapchan, '?'))
|
|
*allow_unused = 0;
|
|
if (m->channel_idx < 0 || m->channel_idx >= st->codecpar->channels ||
|
|
input_streams[input_files[m->file_idx]->ist_index + m->stream_idx]->user_set_discard == AVDISCARD_ALL) {
|
|
if (allow_unused) {
|
|
av_log(NULL, AV_LOG_VERBOSE, "mapchan: invalid audio channel #%d.%d.%d\n",
|
|
m->file_idx, m->stream_idx, m->channel_idx);
|
|
} else {
|
|
av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n"
|
|
"To ignore this, add a trailing '?' to the map_channel.\n",
|
|
m->file_idx, m->stream_idx, m->channel_idx);
|
|
exit_program(1);
|
|
}
|
|
|
|
}
|
|
av_free(mapchan);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
av_free(sdp_filename);
|
|
sdp_filename = av_strdup(arg);
|
|
return 0;
|
|
}
|
|
|
|
#if CONFIG_VAAPI
|
|
static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
const char *prefix = "vaapi:";
|
|
char *tmp;
|
|
int err;
|
|
tmp = av_asprintf("%s%s", prefix, arg);
|
|
if (!tmp)
|
|
return AVERROR(ENOMEM);
|
|
err = hw_device_init_from_string(tmp, NULL);
|
|
av_free(tmp);
|
|
return err;
|
|
}
|
|
#endif
|
|
|
|
static int opt_init_hw_device(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
if (!strcmp(arg, "list")) {
|
|
enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
|
|
printf("Supported hardware device types:\n");
|
|
while ((type = av_hwdevice_iterate_types(type)) !=
|
|
AV_HWDEVICE_TYPE_NONE)
|
|
printf("%s\n", av_hwdevice_get_type_name(type));
|
|
printf("\n");
|
|
exit_program(0);
|
|
} else {
|
|
return hw_device_init_from_string(arg, NULL);
|
|
}
|
|
}
|
|
|
|
static int opt_filter_hw_device(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
if (filter_hw_device) {
|
|
av_log(NULL, AV_LOG_ERROR, "Only one filter device can be used.\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
filter_hw_device = hw_device_get_by_name(arg);
|
|
if (!filter_hw_device) {
|
|
av_log(NULL, AV_LOG_ERROR, "Invalid filter device %s.\n", arg);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Parse a metadata specifier passed as 'arg' parameter.
|
|
* @param arg metadata string to parse
|
|
* @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
|
|
* @param index for type c/p, chapter/program index is written here
|
|
* @param stream_spec for type s, the stream specifier is written here
|
|
*/
|
|
static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
|
|
{
|
|
if (*arg) {
|
|
*type = *arg;
|
|
switch (*arg) {
|
|
case 'g':
|
|
break;
|
|
case 's':
|
|
if (*(++arg) && *arg != ':') {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
|
|
exit_program(1);
|
|
}
|
|
*stream_spec = *arg == ':' ? arg + 1 : "";
|
|
break;
|
|
case 'c':
|
|
case 'p':
|
|
if (*(++arg) == ':')
|
|
*index = strtol(++arg, NULL, 0);
|
|
break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
|
|
exit_program(1);
|
|
}
|
|
} else
|
|
*type = 'g';
|
|
}
|
|
|
|
static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
|
|
{
|
|
AVDictionary **meta_in = NULL;
|
|
AVDictionary **meta_out = NULL;
|
|
int i, ret = 0;
|
|
char type_in, type_out;
|
|
const char *istream_spec = NULL, *ostream_spec = NULL;
|
|
int idx_in = 0, idx_out = 0;
|
|
|
|
parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
|
|
parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
|
|
|
|
if (!ic) {
|
|
if (type_out == 'g' || !*outspec)
|
|
o->metadata_global_manual = 1;
|
|
if (type_out == 's' || !*outspec)
|
|
o->metadata_streams_manual = 1;
|
|
if (type_out == 'c' || !*outspec)
|
|
o->metadata_chapters_manual = 1;
|
|
return 0;
|
|
}
|
|
|
|
if (type_in == 'g' || type_out == 'g')
|
|
o->metadata_global_manual = 1;
|
|
if (type_in == 's' || type_out == 's')
|
|
o->metadata_streams_manual = 1;
|
|
if (type_in == 'c' || type_out == 'c')
|
|
o->metadata_chapters_manual = 1;
|
|
|
|
/* ic is NULL when just disabling automatic mappings */
|
|
if (!ic)
|
|
return 0;
|
|
|
|
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
|
|
if ((index) < 0 || (index) >= (nb_elems)) {\
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
|
|
(desc), (index));\
|
|
exit_program(1);\
|
|
}
|
|
|
|
#define SET_DICT(type, meta, context, index)\
|
|
switch (type) {\
|
|
case 'g':\
|
|
meta = &context->metadata;\
|
|
break;\
|
|
case 'c':\
|
|
METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
|
|
meta = &context->chapters[index]->metadata;\
|
|
break;\
|
|
case 'p':\
|
|
METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
|
|
meta = &context->programs[index]->metadata;\
|
|
break;\
|
|
case 's':\
|
|
break; /* handled separately below */ \
|
|
default: av_assert0(0);\
|
|
}\
|
|
|
|
SET_DICT(type_in, meta_in, ic, idx_in);
|
|
SET_DICT(type_out, meta_out, oc, idx_out);
|
|
|
|
/* for input streams choose first matching stream */
|
|
if (type_in == 's') {
|
|
for (i = 0; i < ic->nb_streams; i++) {
|
|
if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
|
|
meta_in = &ic->streams[i]->metadata;
|
|
break;
|
|
} else if (ret < 0)
|
|
exit_program(1);
|
|
}
|
|
if (!meta_in) {
|
|
av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (type_out == 's') {
|
|
for (i = 0; i < oc->nb_streams; i++) {
|
|
if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
|
|
meta_out = &oc->streams[i]->metadata;
|
|
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
|
|
} else if (ret < 0)
|
|
exit_program(1);
|
|
}
|
|
} else
|
|
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
char buf[128];
|
|
int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
|
|
struct tm time = *gmtime((time_t*)&recording_timestamp);
|
|
if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
|
|
return -1;
|
|
parse_option(o, "metadata", buf, options);
|
|
|
|
av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
|
|
"tag instead.\n", opt);
|
|
return 0;
|
|
}
|
|
|
|
static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
|
|
{
|
|
const AVCodecDescriptor *desc;
|
|
const char *codec_string = encoder ? "encoder" : "decoder";
|
|
AVCodec *codec;
|
|
|
|
codec = encoder ?
|
|
avcodec_find_encoder_by_name(name) :
|
|
avcodec_find_decoder_by_name(name);
|
|
|
|
if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
|
|
codec = encoder ? avcodec_find_encoder(desc->id) :
|
|
avcodec_find_decoder(desc->id);
|
|
if (codec)
|
|
av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
|
|
codec_string, codec->name, desc->name);
|
|
}
|
|
|
|
if (!codec) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
|
|
exit_program(1);
|
|
}
|
|
if (codec->type != type) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
|
|
exit_program(1);
|
|
}
|
|
return codec;
|
|
}
|
|
|
|
static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
|
|
{
|
|
char *codec_name = NULL;
|
|
|
|
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
|
|
if (codec_name) {
|
|
AVCodec *codec = find_codec_or_die(codec_name, st->codecpar->codec_type, 0);
|
|
st->codecpar->codec_id = codec->id;
|
|
return codec;
|
|
} else
|
|
return avcodec_find_decoder(st->codecpar->codec_id);
|
|
}
|
|
|
|
/* Add all the streams from the given input file to the global
|
|
* list of input streams. */
|
|
static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
|
|
{
|
|
int i, ret;
|
|
|
|
for (i = 0; i < ic->nb_streams; i++) {
|
|
AVStream *st = ic->streams[i];
|
|
AVCodecParameters *par = st->codecpar;
|
|
InputStream *ist = av_mallocz(sizeof(*ist));
|
|
char *framerate = NULL, *hwaccel_device = NULL;
|
|
const char *hwaccel = NULL;
|
|
char *hwaccel_output_format = NULL;
|
|
char *codec_tag = NULL;
|
|
char *next;
|
|
char *discard_str = NULL;
|
|
const AVClass *cc = avcodec_get_class();
|
|
const AVOption *discard_opt = av_opt_find(&cc, "skip_frame", NULL, 0, 0);
|
|
|
|
if (!ist)
|
|
exit_program(1);
|
|
|
|
GROW_ARRAY(input_streams, nb_input_streams);
|
|
input_streams[nb_input_streams - 1] = ist;
|
|
|
|
ist->st = st;
|
|
ist->file_index = nb_input_files;
|
|
ist->discard = 1;
|
|
st->discard = AVDISCARD_ALL;
|
|
ist->nb_samples = 0;
|
|
ist->min_pts = INT64_MAX;
|
|
ist->max_pts = INT64_MIN;
|
|
|
|
ist->ts_scale = 1.0;
|
|
MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
|
|
|
|
ist->autorotate = 1;
|
|
MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
|
|
|
|
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
|
|
if (codec_tag) {
|
|
uint32_t tag = strtol(codec_tag, &next, 0);
|
|
if (*next)
|
|
tag = AV_RL32(codec_tag);
|
|
st->codecpar->codec_tag = tag;
|
|
}
|
|
|
|
ist->dec = choose_decoder(o, ic, st);
|
|
ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codecpar->codec_id, ic, st, ist->dec);
|
|
|
|
ist->reinit_filters = -1;
|
|
MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
|
|
|
|
MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
|
|
ist->user_set_discard = AVDISCARD_NONE;
|
|
|
|
if ((o->video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) ||
|
|
(o->audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ||
|
|
(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) ||
|
|
(o->data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA))
|
|
ist->user_set_discard = AVDISCARD_ALL;
|
|
|
|
if (discard_str && av_opt_eval_int(&cc, discard_opt, discard_str, &ist->user_set_discard) < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
|
|
discard_str);
|
|
exit_program(1);
|
|
}
|
|
|
|
ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
|
|
|
|
ist->dec_ctx = avcodec_alloc_context3(ist->dec);
|
|
if (!ist->dec_ctx) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
ret = avcodec_parameters_to_context(ist->dec_ctx, par);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (o->bitexact)
|
|
ist->dec_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
|
|
|
|
switch (par->codec_type) {
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
if(!ist->dec)
|
|
ist->dec = avcodec_find_decoder(par->codec_id);
|
|
#if FF_API_LOWRES
|
|
if (st->codec->lowres) {
|
|
ist->dec_ctx->lowres = st->codec->lowres;
|
|
ist->dec_ctx->width = st->codec->width;
|
|
ist->dec_ctx->height = st->codec->height;
|
|
ist->dec_ctx->coded_width = st->codec->coded_width;
|
|
ist->dec_ctx->coded_height = st->codec->coded_height;
|
|
}
|
|
#endif
|
|
|
|
// avformat_find_stream_info() doesn't set this for us anymore.
|
|
ist->dec_ctx->framerate = st->avg_frame_rate;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
|
|
if (framerate && av_parse_video_rate(&ist->framerate,
|
|
framerate) < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
|
|
framerate);
|
|
exit_program(1);
|
|
}
|
|
|
|
ist->top_field_first = -1;
|
|
MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
|
|
|
|
MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
|
|
MATCH_PER_STREAM_OPT(hwaccel_output_formats, str,
|
|
hwaccel_output_format, ic, st);
|
|
|
|
if (!hwaccel_output_format && hwaccel && !strcmp(hwaccel, "cuvid")) {
|
|
av_log(NULL, AV_LOG_WARNING,
|
|
"WARNING: defaulting hwaccel_output_format to cuda for compatibility "
|
|
"with old commandlines. This behaviour is DEPRECATED and will be removed "
|
|
"in the future. Please explicitly set \"-hwaccel_output_format cuda\".\n");
|
|
ist->hwaccel_output_format = AV_PIX_FMT_CUDA;
|
|
} else if (hwaccel_output_format) {
|
|
ist->hwaccel_output_format = av_get_pix_fmt(hwaccel_output_format);
|
|
if (ist->hwaccel_output_format == AV_PIX_FMT_NONE) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unrecognised hwaccel output "
|
|
"format: %s", hwaccel_output_format);
|
|
}
|
|
} else {
|
|
ist->hwaccel_output_format = AV_PIX_FMT_NONE;
|
|
}
|
|
|
|
if (hwaccel) {
|
|
// The NVDEC hwaccels use a CUDA device, so remap the name here.
|
|
if (!strcmp(hwaccel, "nvdec") || !strcmp(hwaccel, "cuvid"))
|
|
hwaccel = "cuda";
|
|
|
|
if (!strcmp(hwaccel, "none"))
|
|
ist->hwaccel_id = HWACCEL_NONE;
|
|
else if (!strcmp(hwaccel, "auto"))
|
|
ist->hwaccel_id = HWACCEL_AUTO;
|
|
else {
|
|
enum AVHWDeviceType type;
|
|
int i;
|
|
for (i = 0; hwaccels[i].name; i++) {
|
|
if (!strcmp(hwaccels[i].name, hwaccel)) {
|
|
ist->hwaccel_id = hwaccels[i].id;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!ist->hwaccel_id) {
|
|
type = av_hwdevice_find_type_by_name(hwaccel);
|
|
if (type != AV_HWDEVICE_TYPE_NONE) {
|
|
ist->hwaccel_id = HWACCEL_GENERIC;
|
|
ist->hwaccel_device_type = type;
|
|
}
|
|
}
|
|
|
|
if (!ist->hwaccel_id) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
|
|
hwaccel);
|
|
av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
|
|
type = AV_HWDEVICE_TYPE_NONE;
|
|
while ((type = av_hwdevice_iterate_types(type)) !=
|
|
AV_HWDEVICE_TYPE_NONE)
|
|
av_log(NULL, AV_LOG_FATAL, "%s ",
|
|
av_hwdevice_get_type_name(type));
|
|
av_log(NULL, AV_LOG_FATAL, "\n");
|
|
exit_program(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
|
|
if (hwaccel_device) {
|
|
ist->hwaccel_device = av_strdup(hwaccel_device);
|
|
if (!ist->hwaccel_device)
|
|
exit_program(1);
|
|
}
|
|
|
|
ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
|
|
|
|
break;
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
ist->guess_layout_max = INT_MAX;
|
|
MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
|
|
guess_input_channel_layout(ist);
|
|
break;
|
|
case AVMEDIA_TYPE_DATA:
|
|
case AVMEDIA_TYPE_SUBTITLE: {
|
|
char *canvas_size = NULL;
|
|
if(!ist->dec)
|
|
ist->dec = avcodec_find_decoder(par->codec_id);
|
|
MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
|
|
MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
|
|
if (canvas_size &&
|
|
av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
|
|
exit_program(1);
|
|
}
|
|
break;
|
|
}
|
|
case AVMEDIA_TYPE_ATTACHMENT:
|
|
case AVMEDIA_TYPE_UNKNOWN:
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
|
|
ret = avcodec_parameters_from_context(par, ist->dec_ctx);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
|
|
exit_program(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void assert_file_overwrite(const char *filename)
|
|
{
|
|
const char *proto_name = avio_find_protocol_name(filename);
|
|
|
|
if (file_overwrite && no_file_overwrite) {
|
|
fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (!file_overwrite) {
|
|
if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
|
|
if (stdin_interaction && !no_file_overwrite) {
|
|
fprintf(stderr,"File '%s' already exists. Overwrite? [y/N] ", filename);
|
|
fflush(stderr);
|
|
term_exit();
|
|
signal(SIGINT, SIG_DFL);
|
|
if (!read_yesno()) {
|
|
av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
|
|
exit_program(1);
|
|
}
|
|
term_init();
|
|
}
|
|
else {
|
|
av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (proto_name && !strcmp(proto_name, "file")) {
|
|
for (int i = 0; i < nb_input_files; i++) {
|
|
InputFile *file = input_files[i];
|
|
if (file->ctx->iformat->flags & AVFMT_NOFILE)
|
|
continue;
|
|
if (!strcmp(filename, file->ctx->url)) {
|
|
av_log(NULL, AV_LOG_FATAL, "Output %s same as Input #%d - exiting\n", filename, i);
|
|
av_log(NULL, AV_LOG_WARNING, "FFmpeg cannot edit existing files in-place.\n");
|
|
exit_program(1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dump_attachment(AVStream *st, const char *filename)
|
|
{
|
|
int ret;
|
|
AVIOContext *out = NULL;
|
|
AVDictionaryEntry *e;
|
|
|
|
if (!st->codecpar->extradata_size) {
|
|
av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
|
|
nb_input_files - 1, st->index);
|
|
return;
|
|
}
|
|
if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
|
|
filename = e->value;
|
|
if (!*filename) {
|
|
av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
|
|
"in stream #%d:%d.\n", nb_input_files - 1, st->index);
|
|
exit_program(1);
|
|
}
|
|
|
|
assert_file_overwrite(filename);
|
|
|
|
if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
|
|
filename);
|
|
exit_program(1);
|
|
}
|
|
|
|
avio_write(out, st->codecpar->extradata, st->codecpar->extradata_size);
|
|
avio_flush(out);
|
|
avio_close(out);
|
|
}
|
|
|
|
static int open_input_file(OptionsContext *o, const char *filename)
|
|
{
|
|
InputFile *f;
|
|
AVFormatContext *ic;
|
|
AVInputFormat *file_iformat = NULL;
|
|
int err, i, ret;
|
|
int64_t timestamp;
|
|
AVDictionary *unused_opts = NULL;
|
|
AVDictionaryEntry *e = NULL;
|
|
char * video_codec_name = NULL;
|
|
char * audio_codec_name = NULL;
|
|
char *subtitle_codec_name = NULL;
|
|
char * data_codec_name = NULL;
|
|
int scan_all_pmts_set = 0;
|
|
|
|
if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
|
|
o->stop_time = INT64_MAX;
|
|
av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
|
|
}
|
|
|
|
if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
|
|
int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
|
|
if (o->stop_time <= start_time) {
|
|
av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
|
|
exit_program(1);
|
|
} else {
|
|
o->recording_time = o->stop_time - start_time;
|
|
}
|
|
}
|
|
|
|
if (o->format) {
|
|
if (!(file_iformat = av_find_input_format(o->format))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (!strcmp(filename, "-"))
|
|
filename = "pipe:";
|
|
|
|
stdin_interaction &= strncmp(filename, "pipe:", 5) &&
|
|
strcmp(filename, "/dev/stdin");
|
|
|
|
/* get default parameters from command line */
|
|
ic = avformat_alloc_context();
|
|
if (!ic) {
|
|
print_error(filename, AVERROR(ENOMEM));
|
|
exit_program(1);
|
|
}
|
|
if (o->nb_audio_sample_rate) {
|
|
av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
|
|
}
|
|
if (o->nb_audio_channels) {
|
|
/* because we set audio_channels based on both the "ac" and
|
|
* "channel_layout" options, we need to check that the specified
|
|
* demuxer actually has the "channels" option before setting it */
|
|
if (file_iformat && file_iformat->priv_class &&
|
|
av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
|
|
AV_OPT_SEARCH_FAKE_OBJ)) {
|
|
av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
|
|
}
|
|
}
|
|
if (o->nb_frame_rates) {
|
|
/* set the format-level framerate option;
|
|
* this is important for video grabbers, e.g. x11 */
|
|
if (file_iformat && file_iformat->priv_class &&
|
|
av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
|
|
AV_OPT_SEARCH_FAKE_OBJ)) {
|
|
av_dict_set(&o->g->format_opts, "framerate",
|
|
o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
|
|
}
|
|
}
|
|
if (o->nb_frame_sizes) {
|
|
av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
|
|
}
|
|
if (o->nb_frame_pix_fmts)
|
|
av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
|
|
|
|
MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
|
|
MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
|
|
MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
|
|
MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
|
|
|
|
if (video_codec_name)
|
|
ic->video_codec = find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
|
|
if (audio_codec_name)
|
|
ic->audio_codec = find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
|
|
if (subtitle_codec_name)
|
|
ic->subtitle_codec = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
|
|
if (data_codec_name)
|
|
ic->data_codec = find_codec_or_die(data_codec_name , AVMEDIA_TYPE_DATA , 0);
|
|
|
|
ic->video_codec_id = video_codec_name ? ic->video_codec->id : AV_CODEC_ID_NONE;
|
|
ic->audio_codec_id = audio_codec_name ? ic->audio_codec->id : AV_CODEC_ID_NONE;
|
|
ic->subtitle_codec_id = subtitle_codec_name ? ic->subtitle_codec->id : AV_CODEC_ID_NONE;
|
|
ic->data_codec_id = data_codec_name ? ic->data_codec->id : AV_CODEC_ID_NONE;
|
|
|
|
ic->flags |= AVFMT_FLAG_NONBLOCK;
|
|
if (o->bitexact)
|
|
ic->flags |= AVFMT_FLAG_BITEXACT;
|
|
ic->interrupt_callback = int_cb;
|
|
|
|
if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
|
|
av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
|
|
scan_all_pmts_set = 1;
|
|
}
|
|
/* open the input file with generic avformat function */
|
|
err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
|
|
if (err < 0) {
|
|
print_error(filename, err);
|
|
if (err == AVERROR_PROTOCOL_NOT_FOUND)
|
|
av_log(NULL, AV_LOG_ERROR, "Did you mean file:%s?\n", filename);
|
|
exit_program(1);
|
|
}
|
|
if (scan_all_pmts_set)
|
|
av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
|
|
remove_avoptions(&o->g->format_opts, o->g->codec_opts);
|
|
assert_avoptions(o->g->format_opts);
|
|
|
|
/* apply forced codec ids */
|
|
for (i = 0; i < ic->nb_streams; i++)
|
|
choose_decoder(o, ic, ic->streams[i]);
|
|
|
|
if (find_stream_info) {
|
|
AVDictionary **opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
|
|
int orig_nb_streams = ic->nb_streams;
|
|
|
|
/* If not enough info to get the stream parameters, we decode the
|
|
first frames to get it. (used in mpeg case for example) */
|
|
ret = avformat_find_stream_info(ic, opts);
|
|
|
|
for (i = 0; i < orig_nb_streams; i++)
|
|
av_dict_free(&opts[i]);
|
|
av_freep(&opts);
|
|
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
|
|
if (ic->nb_streams == 0) {
|
|
avformat_close_input(&ic);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (o->start_time != AV_NOPTS_VALUE && o->start_time_eof != AV_NOPTS_VALUE) {
|
|
av_log(NULL, AV_LOG_WARNING, "Cannot use -ss and -sseof both, using -ss for %s\n", filename);
|
|
o->start_time_eof = AV_NOPTS_VALUE;
|
|
}
|
|
|
|
if (o->start_time_eof != AV_NOPTS_VALUE) {
|
|
if (o->start_time_eof >= 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "-sseof value must be negative; aborting\n");
|
|
exit_program(1);
|
|
}
|
|
if (ic->duration > 0) {
|
|
o->start_time = o->start_time_eof + ic->duration;
|
|
if (o->start_time < 0) {
|
|
av_log(NULL, AV_LOG_WARNING, "-sseof value seeks to before start of file %s; ignored\n", filename);
|
|
o->start_time = AV_NOPTS_VALUE;
|
|
}
|
|
} else
|
|
av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
|
|
}
|
|
timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
|
|
/* add the stream start time */
|
|
if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
|
|
timestamp += ic->start_time;
|
|
|
|
/* if seeking requested, we execute it */
|
|
if (o->start_time != AV_NOPTS_VALUE) {
|
|
int64_t seek_timestamp = timestamp;
|
|
|
|
if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
|
|
int dts_heuristic = 0;
|
|
for (i=0; i<ic->nb_streams; i++) {
|
|
const AVCodecParameters *par = ic->streams[i]->codecpar;
|
|
if (par->video_delay) {
|
|
dts_heuristic = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (dts_heuristic) {
|
|
seek_timestamp -= 3*AV_TIME_BASE / 23;
|
|
}
|
|
}
|
|
ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
|
|
filename, (double)timestamp / AV_TIME_BASE);
|
|
}
|
|
}
|
|
|
|
/* update the current parameters so that they match the one of the input stream */
|
|
add_input_streams(o, ic);
|
|
|
|
/* dump the file content */
|
|
av_dump_format(ic, nb_input_files, filename, 0);
|
|
|
|
GROW_ARRAY(input_files, nb_input_files);
|
|
f = av_mallocz(sizeof(*f));
|
|
if (!f)
|
|
exit_program(1);
|
|
input_files[nb_input_files - 1] = f;
|
|
|
|
f->ctx = ic;
|
|
f->ist_index = nb_input_streams - ic->nb_streams;
|
|
f->start_time = o->start_time;
|
|
f->recording_time = o->recording_time;
|
|
f->input_ts_offset = o->input_ts_offset;
|
|
f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
|
|
f->nb_streams = ic->nb_streams;
|
|
f->rate_emu = o->rate_emu;
|
|
f->accurate_seek = o->accurate_seek;
|
|
f->loop = o->loop;
|
|
f->duration = 0;
|
|
f->time_base = (AVRational){ 1, 1 };
|
|
#if HAVE_THREADS
|
|
f->thread_queue_size = o->thread_queue_size;
|
|
#endif
|
|
|
|
/* check if all codec options have been used */
|
|
unused_opts = strip_specifiers(o->g->codec_opts);
|
|
for (i = f->ist_index; i < nb_input_streams; i++) {
|
|
e = NULL;
|
|
while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
|
|
AV_DICT_IGNORE_SUFFIX)))
|
|
av_dict_set(&unused_opts, e->key, NULL, 0);
|
|
}
|
|
|
|
e = NULL;
|
|
while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
|
|
const AVClass *class = avcodec_get_class();
|
|
const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
|
|
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
|
|
const AVClass *fclass = avformat_get_class();
|
|
const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
|
|
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
|
|
if (!option || foption)
|
|
continue;
|
|
|
|
|
|
if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
|
|
av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
|
|
"input file #%d (%s) is not a decoding option.\n", e->key,
|
|
option->help ? option->help : "", nb_input_files - 1,
|
|
filename);
|
|
exit_program(1);
|
|
}
|
|
|
|
av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
|
|
"input file #%d (%s) has not been used for any stream. The most "
|
|
"likely reason is either wrong type (e.g. a video option with "
|
|
"no video streams) or that it is a private option of some decoder "
|
|
"which was not actually used for any stream.\n", e->key,
|
|
option->help ? option->help : "", nb_input_files - 1, filename);
|
|
}
|
|
av_dict_free(&unused_opts);
|
|
|
|
for (i = 0; i < o->nb_dump_attachment; i++) {
|
|
int j;
|
|
|
|
for (j = 0; j < ic->nb_streams; j++) {
|
|
AVStream *st = ic->streams[j];
|
|
|
|
if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
|
|
dump_attachment(st, o->dump_attachment[i].u.str);
|
|
}
|
|
}
|
|
|
|
input_stream_potentially_available = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static uint8_t *get_line(AVIOContext *s)
|
|
{
|
|
AVIOContext *line;
|
|
uint8_t *buf;
|
|
char c;
|
|
|
|
if (avio_open_dyn_buf(&line) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
while ((c = avio_r8(s)) && c != '\n')
|
|
avio_w8(line, c);
|
|
avio_w8(line, 0);
|
|
avio_close_dyn_buf(line, &buf);
|
|
|
|
return buf;
|
|
}
|
|
|
|
static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
|
|
{
|
|
int i, ret = -1;
|
|
char filename[1000];
|
|
const char *base[3] = { getenv("AVCONV_DATADIR"),
|
|
getenv("HOME"),
|
|
AVCONV_DATADIR,
|
|
};
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
|
|
if (!base[i])
|
|
continue;
|
|
if (codec_name) {
|
|
snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
|
|
i != 1 ? "" : "/.avconv", codec_name, preset_name);
|
|
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
|
|
}
|
|
if (ret < 0) {
|
|
snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
|
|
i != 1 ? "" : "/.avconv", preset_name);
|
|
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
|
|
{
|
|
enum AVMediaType type = ost->st->codecpar->codec_type;
|
|
char *codec_name = NULL;
|
|
|
|
if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO || type == AVMEDIA_TYPE_SUBTITLE) {
|
|
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
|
|
if (!codec_name) {
|
|
ost->st->codecpar->codec_id = av_guess_codec(s->oformat, NULL, s->url,
|
|
NULL, ost->st->codecpar->codec_type);
|
|
ost->enc = avcodec_find_encoder(ost->st->codecpar->codec_id);
|
|
if (!ost->enc) {
|
|
av_log(NULL, AV_LOG_FATAL, "Automatic encoder selection failed for "
|
|
"output stream #%d:%d. Default encoder for format %s (codec %s) is "
|
|
"probably disabled. Please choose an encoder manually.\n",
|
|
ost->file_index, ost->index, s->oformat->name,
|
|
avcodec_get_name(ost->st->codecpar->codec_id));
|
|
return AVERROR_ENCODER_NOT_FOUND;
|
|
}
|
|
} else if (!strcmp(codec_name, "copy"))
|
|
ost->stream_copy = 1;
|
|
else {
|
|
ost->enc = find_codec_or_die(codec_name, ost->st->codecpar->codec_type, 1);
|
|
ost->st->codecpar->codec_id = ost->enc->id;
|
|
}
|
|
ost->encoding_needed = !ost->stream_copy;
|
|
} else {
|
|
/* no encoding supported for other media types */
|
|
ost->stream_copy = 1;
|
|
ost->encoding_needed = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
|
|
{
|
|
OutputStream *ost;
|
|
AVStream *st = avformat_new_stream(oc, NULL);
|
|
int idx = oc->nb_streams - 1, ret = 0;
|
|
const char *bsfs = NULL, *time_base = NULL;
|
|
char *next, *codec_tag = NULL;
|
|
double qscale = -1;
|
|
int i;
|
|
|
|
if (!st) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (oc->nb_streams - 1 < o->nb_streamid_map)
|
|
st->id = o->streamid_map[oc->nb_streams - 1];
|
|
|
|
GROW_ARRAY(output_streams, nb_output_streams);
|
|
if (!(ost = av_mallocz(sizeof(*ost))))
|
|
exit_program(1);
|
|
output_streams[nb_output_streams - 1] = ost;
|
|
|
|
ost->file_index = nb_output_files - 1;
|
|
ost->index = idx;
|
|
ost->st = st;
|
|
ost->forced_kf_ref_pts = AV_NOPTS_VALUE;
|
|
st->codecpar->codec_type = type;
|
|
|
|
ret = choose_encoder(o, oc, ost);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error selecting an encoder for stream "
|
|
"%d:%d\n", ost->file_index, ost->index);
|
|
exit_program(1);
|
|
}
|
|
|
|
ost->enc_ctx = avcodec_alloc_context3(ost->enc);
|
|
if (!ost->enc_ctx) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
|
|
exit_program(1);
|
|
}
|
|
ost->enc_ctx->codec_type = type;
|
|
|
|
ost->ref_par = avcodec_parameters_alloc();
|
|
if (!ost->ref_par) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding parameters.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (ost->enc) {
|
|
AVIOContext *s = NULL;
|
|
char *buf = NULL, *arg = NULL, *preset = NULL;
|
|
|
|
ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
|
|
|
|
MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
|
|
ost->autoscale = 1;
|
|
MATCH_PER_STREAM_OPT(autoscale, i, ost->autoscale, oc, st);
|
|
if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
|
|
do {
|
|
buf = get_line(s);
|
|
if (!buf[0] || buf[0] == '#') {
|
|
av_free(buf);
|
|
continue;
|
|
}
|
|
if (!(arg = strchr(buf, '='))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
|
|
exit_program(1);
|
|
}
|
|
*arg++ = 0;
|
|
av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
|
|
av_free(buf);
|
|
} while (!s->eof_reached);
|
|
avio_closep(&s);
|
|
}
|
|
if (ret) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Preset %s specified for stream %d:%d, but could not be opened.\n",
|
|
preset, ost->file_index, ost->index);
|
|
exit_program(1);
|
|
}
|
|
} else {
|
|
ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
|
|
}
|
|
|
|
|
|
if (o->bitexact)
|
|
ost->enc_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
|
|
|
|
MATCH_PER_STREAM_OPT(time_bases, str, time_base, oc, st);
|
|
if (time_base) {
|
|
AVRational q;
|
|
if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
|
|
q.num <= 0 || q.den <= 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
|
|
exit_program(1);
|
|
}
|
|
st->time_base = q;
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(enc_time_bases, str, time_base, oc, st);
|
|
if (time_base) {
|
|
AVRational q;
|
|
if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
|
|
q.den <= 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
|
|
exit_program(1);
|
|
}
|
|
ost->enc_timebase = q;
|
|
}
|
|
|
|
ost->max_frames = INT64_MAX;
|
|
MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
|
|
for (i = 0; i<o->nb_max_frames; i++) {
|
|
char *p = o->max_frames[i].specifier;
|
|
if (!*p && type != AVMEDIA_TYPE_VIDEO) {
|
|
av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
ost->copy_prior_start = -1;
|
|
MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
|
|
|
|
MATCH_PER_STREAM_OPT(bitstream_filters, str, bsfs, oc, st);
|
|
if (bsfs && *bsfs) {
|
|
ret = av_bsf_list_parse_str(bsfs, &ost->bsf_ctx);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error parsing bitstream filter sequence '%s': %s\n", bsfs, av_err2str(ret));
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
|
|
if (codec_tag) {
|
|
uint32_t tag = strtol(codec_tag, &next, 0);
|
|
if (*next)
|
|
tag = AV_RL32(codec_tag);
|
|
ost->st->codecpar->codec_tag =
|
|
ost->enc_ctx->codec_tag = tag;
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
|
|
if (qscale >= 0) {
|
|
ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
|
|
ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
|
|
ost->disposition = av_strdup(ost->disposition);
|
|
|
|
ost->max_muxing_queue_size = 128;
|
|
MATCH_PER_STREAM_OPT(max_muxing_queue_size, i, ost->max_muxing_queue_size, oc, st);
|
|
ost->max_muxing_queue_size *= sizeof(AVPacket);
|
|
|
|
if (oc->oformat->flags & AVFMT_GLOBALHEADER)
|
|
ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
|
|
|
|
av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
|
|
|
|
av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
|
|
if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
|
|
av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
|
|
|
|
av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
|
|
|
|
ost->source_index = source_index;
|
|
if (source_index >= 0) {
|
|
ost->sync_ist = input_streams[source_index];
|
|
input_streams[source_index]->discard = 0;
|
|
input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
|
|
}
|
|
ost->last_mux_dts = AV_NOPTS_VALUE;
|
|
|
|
ost->muxing_queue = av_fifo_alloc(8 * sizeof(AVPacket));
|
|
if (!ost->muxing_queue)
|
|
exit_program(1);
|
|
|
|
return ost;
|
|
}
|
|
|
|
static void parse_matrix_coeffs(uint16_t *dest, const char *str)
|
|
{
|
|
int i;
|
|
const char *p = str;
|
|
for (i = 0;; i++) {
|
|
dest[i] = atoi(p);
|
|
if (i == 63)
|
|
break;
|
|
p = strchr(p, ',');
|
|
if (!p) {
|
|
av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
|
|
exit_program(1);
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
|
|
/* read file contents into a string */
|
|
static uint8_t *read_file(const char *filename)
|
|
{
|
|
AVIOContext *pb = NULL;
|
|
AVIOContext *dyn_buf = NULL;
|
|
int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
|
|
uint8_t buf[1024], *str;
|
|
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
|
|
return NULL;
|
|
}
|
|
|
|
ret = avio_open_dyn_buf(&dyn_buf);
|
|
if (ret < 0) {
|
|
avio_closep(&pb);
|
|
return NULL;
|
|
}
|
|
while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
|
|
avio_write(dyn_buf, buf, ret);
|
|
avio_w8(dyn_buf, 0);
|
|
avio_closep(&pb);
|
|
|
|
ret = avio_close_dyn_buf(dyn_buf, &str);
|
|
if (ret < 0)
|
|
return NULL;
|
|
return str;
|
|
}
|
|
|
|
static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
|
|
OutputStream *ost)
|
|
{
|
|
AVStream *st = ost->st;
|
|
|
|
if (ost->filters_script && ost->filters) {
|
|
av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
|
|
"output stream #%d:%d.\n", nb_output_files, st->index);
|
|
exit_program(1);
|
|
}
|
|
|
|
if (ost->filters_script)
|
|
return read_file(ost->filters_script);
|
|
else if (ost->filters)
|
|
return av_strdup(ost->filters);
|
|
|
|
return av_strdup(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ?
|
|
"null" : "anull");
|
|
}
|
|
|
|
static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
|
|
const OutputStream *ost, enum AVMediaType type)
|
|
{
|
|
if (ost->filters_script || ost->filters) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
|
|
"Filtering and streamcopy cannot be used together.\n",
|
|
ost->filters ? "Filtergraph" : "Filtergraph script",
|
|
ost->filters ? ost->filters : ost->filters_script,
|
|
av_get_media_type_string(type), ost->file_index, ost->index);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodecContext *video_enc;
|
|
char *frame_rate = NULL, *frame_aspect_ratio = NULL;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
|
|
st = ost->st;
|
|
video_enc = ost->enc_ctx;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
|
|
if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
|
|
exit_program(1);
|
|
}
|
|
if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH)
|
|
av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n");
|
|
|
|
MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
|
|
if (frame_aspect_ratio) {
|
|
AVRational q;
|
|
if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
|
|
q.num <= 0 || q.den <= 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
|
|
exit_program(1);
|
|
}
|
|
ost->frame_aspect_ratio = q;
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
|
|
MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
|
|
|
|
if (!ost->stream_copy) {
|
|
const char *p = NULL;
|
|
char *frame_size = NULL;
|
|
char *frame_pix_fmt = NULL;
|
|
char *intra_matrix = NULL, *inter_matrix = NULL;
|
|
char *chroma_intra_matrix = NULL;
|
|
int do_pass = 0;
|
|
int i;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
|
|
if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
|
|
exit_program(1);
|
|
}
|
|
|
|
video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
|
|
MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
|
|
if (frame_pix_fmt && *frame_pix_fmt == '+') {
|
|
ost->keep_pix_fmt = 1;
|
|
if (!*++frame_pix_fmt)
|
|
frame_pix_fmt = NULL;
|
|
}
|
|
if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
|
|
exit_program(1);
|
|
}
|
|
st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
|
|
|
|
if (intra_only)
|
|
video_enc->gop_size = 0;
|
|
MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
|
|
if (intra_matrix) {
|
|
if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
|
|
exit_program(1);
|
|
}
|
|
parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
|
|
}
|
|
MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
|
|
if (chroma_intra_matrix) {
|
|
uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
|
|
if (!p) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
|
|
exit_program(1);
|
|
}
|
|
video_enc->chroma_intra_matrix = p;
|
|
parse_matrix_coeffs(p, chroma_intra_matrix);
|
|
}
|
|
MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
|
|
if (inter_matrix) {
|
|
if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
|
|
exit_program(1);
|
|
}
|
|
parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
|
|
for (i = 0; p; i++) {
|
|
int start, end, q;
|
|
int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
|
|
if (e != 3) {
|
|
av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
|
|
exit_program(1);
|
|
}
|
|
video_enc->rc_override =
|
|
av_realloc_array(video_enc->rc_override,
|
|
i + 1, sizeof(RcOverride));
|
|
if (!video_enc->rc_override) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
|
|
exit_program(1);
|
|
}
|
|
video_enc->rc_override[i].start_frame = start;
|
|
video_enc->rc_override[i].end_frame = end;
|
|
if (q > 0) {
|
|
video_enc->rc_override[i].qscale = q;
|
|
video_enc->rc_override[i].quality_factor = 1.0;
|
|
}
|
|
else {
|
|
video_enc->rc_override[i].qscale = 0;
|
|
video_enc->rc_override[i].quality_factor = -q/100.0;
|
|
}
|
|
p = strchr(p, '/');
|
|
if (p) p++;
|
|
}
|
|
video_enc->rc_override_count = i;
|
|
|
|
if (do_psnr)
|
|
video_enc->flags|= AV_CODEC_FLAG_PSNR;
|
|
|
|
/* two pass mode */
|
|
MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
|
|
if (do_pass) {
|
|
if (do_pass & 1) {
|
|
video_enc->flags |= AV_CODEC_FLAG_PASS1;
|
|
av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
|
|
}
|
|
if (do_pass & 2) {
|
|
video_enc->flags |= AV_CODEC_FLAG_PASS2;
|
|
av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
|
|
}
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
|
|
if (ost->logfile_prefix &&
|
|
!(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
|
|
exit_program(1);
|
|
|
|
if (do_pass) {
|
|
char logfilename[1024];
|
|
FILE *f;
|
|
|
|
snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
|
|
ost->logfile_prefix ? ost->logfile_prefix :
|
|
DEFAULT_PASS_LOGFILENAME_PREFIX,
|
|
i);
|
|
if (!strcmp(ost->enc->name, "libx264")) {
|
|
av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
|
|
} else {
|
|
if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
|
|
char *logbuffer = read_file(logfilename);
|
|
|
|
if (!logbuffer) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
|
|
logfilename);
|
|
exit_program(1);
|
|
}
|
|
video_enc->stats_in = logbuffer;
|
|
}
|
|
if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
|
|
f = av_fopen_utf8(logfilename, "wb");
|
|
if (!f) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Cannot write log file '%s' for pass-1 encoding: %s\n",
|
|
logfilename, strerror(errno));
|
|
exit_program(1);
|
|
}
|
|
ost->logfile = f;
|
|
}
|
|
}
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
|
|
if (ost->forced_keyframes)
|
|
ost->forced_keyframes = av_strdup(ost->forced_keyframes);
|
|
|
|
MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
|
|
|
|
ost->top_field_first = -1;
|
|
MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
|
|
|
|
|
|
ost->avfilter = get_ost_filters(o, oc, ost);
|
|
if (!ost->avfilter)
|
|
exit_program(1);
|
|
} else {
|
|
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
|
|
}
|
|
|
|
if (ost->stream_copy)
|
|
check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
int n;
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodecContext *audio_enc;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
|
|
st = ost->st;
|
|
|
|
audio_enc = ost->enc_ctx;
|
|
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
|
|
|
|
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
|
|
MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
|
|
|
|
if (!ost->stream_copy) {
|
|
char *sample_fmt = NULL;
|
|
|
|
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
|
|
if (sample_fmt &&
|
|
(audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
|
|
exit_program(1);
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
|
|
ost->apad = av_strdup(ost->apad);
|
|
|
|
ost->avfilter = get_ost_filters(o, oc, ost);
|
|
if (!ost->avfilter)
|
|
exit_program(1);
|
|
|
|
/* check for channel mapping for this audio stream */
|
|
for (n = 0; n < o->nb_audio_channel_maps; n++) {
|
|
AudioChannelMap *map = &o->audio_channel_maps[n];
|
|
if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
|
|
(map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
|
|
InputStream *ist;
|
|
|
|
if (map->channel_idx == -1) {
|
|
ist = NULL;
|
|
} else if (ost->source_index < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
|
|
ost->file_index, ost->st->index);
|
|
continue;
|
|
} else {
|
|
ist = input_streams[ost->source_index];
|
|
}
|
|
|
|
if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
|
|
if (av_reallocp_array(&ost->audio_channels_map,
|
|
ost->audio_channels_mapped + 1,
|
|
sizeof(*ost->audio_channels_map)
|
|
) < 0 )
|
|
exit_program(1);
|
|
|
|
ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ost->stream_copy)
|
|
check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
OutputStream *ost;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
|
|
if (!ost->stream_copy) {
|
|
av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
OutputStream *ost;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
|
|
if (!ost->stream_copy) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
|
|
ost->stream_copy = 1;
|
|
ost->finished = 1;
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodecContext *subtitle_enc;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
|
|
st = ost->st;
|
|
subtitle_enc = ost->enc_ctx;
|
|
|
|
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
|
|
|
|
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
|
|
|
|
if (!ost->stream_copy) {
|
|
char *frame_size = NULL;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
|
|
if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
/* arg format is "output-stream-index:streamid-value". */
|
|
static int opt_streamid(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
int idx;
|
|
char *p;
|
|
char idx_str[16];
|
|
|
|
av_strlcpy(idx_str, arg, sizeof(idx_str));
|
|
p = strchr(idx_str, ':');
|
|
if (!p) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
|
|
arg, opt);
|
|
exit_program(1);
|
|
}
|
|
*p++ = '\0';
|
|
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
|
|
o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
|
|
o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
|
|
return 0;
|
|
}
|
|
|
|
static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
|
|
{
|
|
AVFormatContext *is = ifile->ctx;
|
|
AVFormatContext *os = ofile->ctx;
|
|
AVChapter **tmp;
|
|
int i;
|
|
|
|
tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
|
|
if (!tmp)
|
|
return AVERROR(ENOMEM);
|
|
os->chapters = tmp;
|
|
|
|
for (i = 0; i < is->nb_chapters; i++) {
|
|
AVChapter *in_ch = is->chapters[i], *out_ch;
|
|
int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
|
|
int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
|
|
AV_TIME_BASE_Q, in_ch->time_base);
|
|
int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
|
|
av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
|
|
|
|
|
|
if (in_ch->end < ts_off)
|
|
continue;
|
|
if (rt != INT64_MAX && in_ch->start > rt + ts_off)
|
|
break;
|
|
|
|
out_ch = av_mallocz(sizeof(AVChapter));
|
|
if (!out_ch)
|
|
return AVERROR(ENOMEM);
|
|
|
|
out_ch->id = in_ch->id;
|
|
out_ch->time_base = in_ch->time_base;
|
|
out_ch->start = FFMAX(0, in_ch->start - ts_off);
|
|
out_ch->end = FFMIN(rt, in_ch->end - ts_off);
|
|
|
|
if (copy_metadata)
|
|
av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
|
|
|
|
os->chapters[os->nb_chapters++] = out_ch;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
|
|
AVFormatContext *oc)
|
|
{
|
|
OutputStream *ost;
|
|
|
|
switch (ofilter->type) {
|
|
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
|
|
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
|
|
"currently.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
ost->source_index = -1;
|
|
ost->filter = ofilter;
|
|
|
|
ofilter->ost = ost;
|
|
ofilter->format = -1;
|
|
|
|
if (ost->stream_copy) {
|
|
av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
|
|
"which is fed from a complex filtergraph. Filtering and streamcopy "
|
|
"cannot be used together.\n", ost->file_index, ost->index);
|
|
exit_program(1);
|
|
}
|
|
|
|
if (ost->avfilter && (ost->filters || ost->filters_script)) {
|
|
const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"%s '%s' was specified through the %s option "
|
|
"for output stream %d:%d, which is fed from a complex filtergraph.\n"
|
|
"%s and -filter_complex cannot be used together for the same stream.\n",
|
|
ost->filters ? "Filtergraph" : "Filtergraph script",
|
|
ost->filters ? ost->filters : ost->filters_script,
|
|
opt, ost->file_index, ost->index, opt);
|
|
exit_program(1);
|
|
}
|
|
|
|
avfilter_inout_free(&ofilter->out_tmp);
|
|
}
|
|
|
|
static int init_complex_filters(void)
|
|
{
|
|
int i, ret = 0;
|
|
|
|
for (i = 0; i < nb_filtergraphs; i++) {
|
|
ret = init_complex_filtergraph(filtergraphs[i]);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int open_output_file(OptionsContext *o, const char *filename)
|
|
{
|
|
AVFormatContext *oc;
|
|
int i, j, err;
|
|
OutputFile *of;
|
|
OutputStream *ost;
|
|
InputStream *ist;
|
|
AVDictionary *unused_opts = NULL;
|
|
AVDictionaryEntry *e = NULL;
|
|
int format_flags = 0;
|
|
|
|
if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
|
|
o->stop_time = INT64_MAX;
|
|
av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
|
|
}
|
|
|
|
if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
|
|
int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
|
|
if (o->stop_time <= start_time) {
|
|
av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
|
|
exit_program(1);
|
|
} else {
|
|
o->recording_time = o->stop_time - start_time;
|
|
}
|
|
}
|
|
|
|
GROW_ARRAY(output_files, nb_output_files);
|
|
of = av_mallocz(sizeof(*of));
|
|
if (!of)
|
|
exit_program(1);
|
|
output_files[nb_output_files - 1] = of;
|
|
|
|
of->ost_index = nb_output_streams;
|
|
of->recording_time = o->recording_time;
|
|
of->start_time = o->start_time;
|
|
of->limit_filesize = o->limit_filesize;
|
|
of->shortest = o->shortest;
|
|
av_dict_copy(&of->opts, o->g->format_opts, 0);
|
|
|
|
if (!strcmp(filename, "-"))
|
|
filename = "pipe:";
|
|
|
|
err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
|
|
if (!oc) {
|
|
print_error(filename, err);
|
|
exit_program(1);
|
|
}
|
|
|
|
of->ctx = oc;
|
|
if (o->recording_time != INT64_MAX)
|
|
oc->duration = o->recording_time;
|
|
|
|
oc->interrupt_callback = int_cb;
|
|
|
|
e = av_dict_get(o->g->format_opts, "fflags", NULL, 0);
|
|
if (e) {
|
|
const AVOption *o = av_opt_find(oc, "fflags", NULL, 0, 0);
|
|
av_opt_eval_flags(oc, o, e->value, &format_flags);
|
|
}
|
|
if (o->bitexact) {
|
|
format_flags |= AVFMT_FLAG_BITEXACT;
|
|
oc->flags |= AVFMT_FLAG_BITEXACT;
|
|
}
|
|
|
|
/* create streams for all unlabeled output pads */
|
|
for (i = 0; i < nb_filtergraphs; i++) {
|
|
FilterGraph *fg = filtergraphs[i];
|
|
for (j = 0; j < fg->nb_outputs; j++) {
|
|
OutputFilter *ofilter = fg->outputs[j];
|
|
|
|
if (!ofilter->out_tmp || ofilter->out_tmp->name)
|
|
continue;
|
|
|
|
switch (ofilter->type) {
|
|
case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
|
|
case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
|
|
case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
|
|
}
|
|
init_output_filter(ofilter, o, oc);
|
|
}
|
|
}
|
|
|
|
if (!o->nb_stream_maps) {
|
|
char *subtitle_codec_name = NULL;
|
|
/* pick the "best" stream of each type */
|
|
|
|
/* video: highest resolution */
|
|
if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
|
|
int area = 0, idx = -1;
|
|
int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
int new_area;
|
|
ist = input_streams[i];
|
|
new_area = ist->st->codecpar->width * ist->st->codecpar->height + 100000000*!!ist->st->codec_info_nb_frames
|
|
+ 5000000*!!(ist->st->disposition & AV_DISPOSITION_DEFAULT);
|
|
if (ist->user_set_discard == AVDISCARD_ALL)
|
|
continue;
|
|
if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
|
|
new_area = 1;
|
|
if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
|
|
new_area > area) {
|
|
if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
|
|
continue;
|
|
area = new_area;
|
|
idx = i;
|
|
}
|
|
}
|
|
if (idx >= 0)
|
|
new_video_stream(o, oc, idx);
|
|
}
|
|
|
|
/* audio: most channels */
|
|
if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
|
|
int best_score = 0, idx = -1;
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
int score;
|
|
ist = input_streams[i];
|
|
score = ist->st->codecpar->channels + 100000000*!!ist->st->codec_info_nb_frames
|
|
+ 5000000*!!(ist->st->disposition & AV_DISPOSITION_DEFAULT);
|
|
if (ist->user_set_discard == AVDISCARD_ALL)
|
|
continue;
|
|
if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
|
|
score > best_score) {
|
|
best_score = score;
|
|
idx = i;
|
|
}
|
|
}
|
|
if (idx >= 0)
|
|
new_audio_stream(o, oc, idx);
|
|
}
|
|
|
|
/* subtitles: pick first */
|
|
MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
|
|
if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
|
|
for (i = 0; i < nb_input_streams; i++)
|
|
if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
|
|
AVCodecDescriptor const *input_descriptor =
|
|
avcodec_descriptor_get(input_streams[i]->st->codecpar->codec_id);
|
|
AVCodecDescriptor const *output_descriptor = NULL;
|
|
AVCodec const *output_codec =
|
|
avcodec_find_encoder(oc->oformat->subtitle_codec);
|
|
int input_props = 0, output_props = 0;
|
|
if (input_streams[i]->user_set_discard == AVDISCARD_ALL)
|
|
continue;
|
|
if (output_codec)
|
|
output_descriptor = avcodec_descriptor_get(output_codec->id);
|
|
if (input_descriptor)
|
|
input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
|
|
if (output_descriptor)
|
|
output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
|
|
if (subtitle_codec_name ||
|
|
input_props & output_props ||
|
|
// Map dvb teletext which has neither property to any output subtitle encoder
|
|
input_descriptor && output_descriptor &&
|
|
(!input_descriptor->props ||
|
|
!output_descriptor->props)) {
|
|
new_subtitle_stream(o, oc, i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/* Data only if codec id match */
|
|
if (!o->data_disable ) {
|
|
enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
|
|
for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
|
|
if (input_streams[i]->user_set_discard == AVDISCARD_ALL)
|
|
continue;
|
|
if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_DATA
|
|
&& input_streams[i]->st->codecpar->codec_id == codec_id )
|
|
new_data_stream(o, oc, i);
|
|
}
|
|
}
|
|
} else {
|
|
for (i = 0; i < o->nb_stream_maps; i++) {
|
|
StreamMap *map = &o->stream_maps[i];
|
|
|
|
if (map->disabled)
|
|
continue;
|
|
|
|
if (map->linklabel) {
|
|
FilterGraph *fg;
|
|
OutputFilter *ofilter = NULL;
|
|
int j, k;
|
|
|
|
for (j = 0; j < nb_filtergraphs; j++) {
|
|
fg = filtergraphs[j];
|
|
for (k = 0; k < fg->nb_outputs; k++) {
|
|
AVFilterInOut *out = fg->outputs[k]->out_tmp;
|
|
if (out && !strcmp(out->name, map->linklabel)) {
|
|
ofilter = fg->outputs[k];
|
|
goto loop_end;
|
|
}
|
|
}
|
|
}
|
|
loop_end:
|
|
if (!ofilter) {
|
|
av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
|
|
"in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
|
|
exit_program(1);
|
|
}
|
|
init_output_filter(ofilter, o, oc);
|
|
} else {
|
|
int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
|
|
|
|
ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
|
|
if (ist->user_set_discard == AVDISCARD_ALL) {
|
|
av_log(NULL, AV_LOG_FATAL, "Stream #%d:%d is disabled and cannot be mapped.\n",
|
|
map->file_index, map->stream_index);
|
|
exit_program(1);
|
|
}
|
|
if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
|
|
continue;
|
|
if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
continue;
|
|
if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
|
|
continue;
|
|
if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
|
|
continue;
|
|
|
|
ost = NULL;
|
|
switch (ist->st->codecpar->codec_type) {
|
|
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
|
|
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
|
|
case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
|
|
case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
|
|
case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
|
|
case AVMEDIA_TYPE_UNKNOWN:
|
|
if (copy_unknown_streams) {
|
|
ost = new_unknown_stream (o, oc, src_idx);
|
|
break;
|
|
}
|
|
default:
|
|
av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
|
|
"Cannot map stream #%d:%d - unsupported type.\n",
|
|
map->file_index, map->stream_index);
|
|
if (!ignore_unknown_streams) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"If you want unsupported types ignored instead "
|
|
"of failing, please use the -ignore_unknown option\n"
|
|
"If you want them copied, please use -copy_unknown\n");
|
|
exit_program(1);
|
|
}
|
|
}
|
|
if (ost)
|
|
ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
|
|
+ map->sync_stream_index];
|
|
}
|
|
}
|
|
}
|
|
|
|
/* handle attached files */
|
|
for (i = 0; i < o->nb_attachments; i++) {
|
|
AVIOContext *pb;
|
|
uint8_t *attachment;
|
|
const char *p;
|
|
int64_t len;
|
|
|
|
if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
|
|
o->attachments[i]);
|
|
exit_program(1);
|
|
}
|
|
if ((len = avio_size(pb)) <= 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
|
|
o->attachments[i]);
|
|
exit_program(1);
|
|
}
|
|
if (len > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE ||
|
|
!(attachment = av_malloc(len + AV_INPUT_BUFFER_PADDING_SIZE))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Attachment %s too large.\n",
|
|
o->attachments[i]);
|
|
exit_program(1);
|
|
}
|
|
avio_read(pb, attachment, len);
|
|
memset(attachment + len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
|
|
|
|
ost = new_attachment_stream(o, oc, -1);
|
|
ost->stream_copy = 0;
|
|
ost->attachment_filename = o->attachments[i];
|
|
ost->st->codecpar->extradata = attachment;
|
|
ost->st->codecpar->extradata_size = len;
|
|
|
|
p = strrchr(o->attachments[i], '/');
|
|
av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
|
|
avio_closep(&pb);
|
|
}
|
|
|
|
#if FF_API_LAVF_AVCTX
|
|
for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
|
|
AVDictionaryEntry *e;
|
|
ost = output_streams[i];
|
|
|
|
if ((ost->stream_copy || ost->attachment_filename)
|
|
&& (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
|
|
&& (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
|
|
if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
|
|
exit_program(1);
|
|
}
|
|
#endif
|
|
|
|
if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
|
|
av_dump_format(oc, nb_output_files - 1, oc->url, 1);
|
|
av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
|
|
exit_program(1);
|
|
}
|
|
|
|
/* check if all codec options have been used */
|
|
unused_opts = strip_specifiers(o->g->codec_opts);
|
|
for (i = of->ost_index; i < nb_output_streams; i++) {
|
|
e = NULL;
|
|
while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
|
|
AV_DICT_IGNORE_SUFFIX)))
|
|
av_dict_set(&unused_opts, e->key, NULL, 0);
|
|
}
|
|
|
|
e = NULL;
|
|
while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
|
|
const AVClass *class = avcodec_get_class();
|
|
const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
|
|
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
|
|
const AVClass *fclass = avformat_get_class();
|
|
const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
|
|
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
|
|
if (!option || foption)
|
|
continue;
|
|
|
|
|
|
if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
|
|
av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
|
|
"output file #%d (%s) is not an encoding option.\n", e->key,
|
|
option->help ? option->help : "", nb_output_files - 1,
|
|
filename);
|
|
exit_program(1);
|
|
}
|
|
|
|
// gop_timecode is injected by generic code but not always used
|
|
if (!strcmp(e->key, "gop_timecode"))
|
|
continue;
|
|
|
|
av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
|
|
"output file #%d (%s) has not been used for any stream. The most "
|
|
"likely reason is either wrong type (e.g. a video option with "
|
|
"no video streams) or that it is a private option of some encoder "
|
|
"which was not actually used for any stream.\n", e->key,
|
|
option->help ? option->help : "", nb_output_files - 1, filename);
|
|
}
|
|
av_dict_free(&unused_opts);
|
|
|
|
/* set the decoding_needed flags and create simple filtergraphs */
|
|
for (i = of->ost_index; i < nb_output_streams; i++) {
|
|
OutputStream *ost = output_streams[i];
|
|
|
|
if (ost->encoding_needed && ost->source_index >= 0) {
|
|
InputStream *ist = input_streams[ost->source_index];
|
|
ist->decoding_needed |= DECODING_FOR_OST;
|
|
|
|
if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
|
|
ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
err = init_simple_filtergraph(ist, ost);
|
|
if (err < 0) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"Error initializing a simple filtergraph between streams "
|
|
"%d:%d->%d:%d\n", ist->file_index, ost->source_index,
|
|
nb_output_files - 1, ost->st->index);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* set the filter output constraints */
|
|
if (ost->filter) {
|
|
OutputFilter *f = ost->filter;
|
|
int count;
|
|
switch (ost->enc_ctx->codec_type) {
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
f->frame_rate = ost->frame_rate;
|
|
f->width = ost->enc_ctx->width;
|
|
f->height = ost->enc_ctx->height;
|
|
if (ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE) {
|
|
f->format = ost->enc_ctx->pix_fmt;
|
|
} else if (ost->enc->pix_fmts) {
|
|
count = 0;
|
|
while (ost->enc->pix_fmts[count] != AV_PIX_FMT_NONE)
|
|
count++;
|
|
f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
|
|
if (!f->formats)
|
|
exit_program(1);
|
|
memcpy(f->formats, ost->enc->pix_fmts, (count + 1) * sizeof(*f->formats));
|
|
}
|
|
break;
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
if (ost->enc_ctx->sample_fmt != AV_SAMPLE_FMT_NONE) {
|
|
f->format = ost->enc_ctx->sample_fmt;
|
|
} else if (ost->enc->sample_fmts) {
|
|
count = 0;
|
|
while (ost->enc->sample_fmts[count] != AV_SAMPLE_FMT_NONE)
|
|
count++;
|
|
f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
|
|
if (!f->formats)
|
|
exit_program(1);
|
|
memcpy(f->formats, ost->enc->sample_fmts, (count + 1) * sizeof(*f->formats));
|
|
}
|
|
if (ost->enc_ctx->sample_rate) {
|
|
f->sample_rate = ost->enc_ctx->sample_rate;
|
|
} else if (ost->enc->supported_samplerates) {
|
|
count = 0;
|
|
while (ost->enc->supported_samplerates[count])
|
|
count++;
|
|
f->sample_rates = av_mallocz_array(count + 1, sizeof(*f->sample_rates));
|
|
if (!f->sample_rates)
|
|
exit_program(1);
|
|
memcpy(f->sample_rates, ost->enc->supported_samplerates,
|
|
(count + 1) * sizeof(*f->sample_rates));
|
|
}
|
|
if (ost->enc_ctx->channels) {
|
|
f->channel_layout = av_get_default_channel_layout(ost->enc_ctx->channels);
|
|
} else if (ost->enc->channel_layouts) {
|
|
count = 0;
|
|
while (ost->enc->channel_layouts[count])
|
|
count++;
|
|
f->channel_layouts = av_mallocz_array(count + 1, sizeof(*f->channel_layouts));
|
|
if (!f->channel_layouts)
|
|
exit_program(1);
|
|
memcpy(f->channel_layouts, ost->enc->channel_layouts,
|
|
(count + 1) * sizeof(*f->channel_layouts));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* check filename in case of an image number is expected */
|
|
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
|
|
if (!av_filename_number_test(oc->url)) {
|
|
print_error(oc->url, AVERROR(EINVAL));
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"No input streams but output needs an input stream\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
|
|
/* test if it already exists to avoid losing precious files */
|
|
assert_file_overwrite(filename);
|
|
|
|
/* open the file */
|
|
if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
|
|
&oc->interrupt_callback,
|
|
&of->opts)) < 0) {
|
|
print_error(filename, err);
|
|
exit_program(1);
|
|
}
|
|
} else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
|
|
assert_file_overwrite(filename);
|
|
|
|
if (o->mux_preload) {
|
|
av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
|
|
}
|
|
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
|
|
|
|
/* copy metadata */
|
|
for (i = 0; i < o->nb_metadata_map; i++) {
|
|
char *p;
|
|
int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
|
|
|
|
if (in_file_index >= nb_input_files) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
|
|
exit_program(1);
|
|
}
|
|
copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
|
|
in_file_index >= 0 ?
|
|
input_files[in_file_index]->ctx : NULL, o);
|
|
}
|
|
|
|
/* copy chapters */
|
|
if (o->chapters_input_file >= nb_input_files) {
|
|
if (o->chapters_input_file == INT_MAX) {
|
|
/* copy chapters from the first input file that has them*/
|
|
o->chapters_input_file = -1;
|
|
for (i = 0; i < nb_input_files; i++)
|
|
if (input_files[i]->ctx->nb_chapters) {
|
|
o->chapters_input_file = i;
|
|
break;
|
|
}
|
|
} else {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
|
|
o->chapters_input_file);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
if (o->chapters_input_file >= 0)
|
|
copy_chapters(input_files[o->chapters_input_file], of,
|
|
!o->metadata_chapters_manual);
|
|
|
|
/* copy global metadata by default */
|
|
if (!o->metadata_global_manual && nb_input_files){
|
|
av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
|
|
AV_DICT_DONT_OVERWRITE);
|
|
if(o->recording_time != INT64_MAX)
|
|
av_dict_set(&oc->metadata, "duration", NULL, 0);
|
|
av_dict_set(&oc->metadata, "creation_time", NULL, 0);
|
|
}
|
|
if (!o->metadata_streams_manual)
|
|
for (i = of->ost_index; i < nb_output_streams; i++) {
|
|
InputStream *ist;
|
|
if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
|
|
continue;
|
|
ist = input_streams[output_streams[i]->source_index];
|
|
av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
|
|
if (!output_streams[i]->stream_copy) {
|
|
av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
|
|
}
|
|
}
|
|
|
|
/* process manually set programs */
|
|
for (i = 0; i < o->nb_program; i++) {
|
|
const char *p = o->program[i].u.str;
|
|
int progid = i+1;
|
|
AVProgram *program;
|
|
|
|
while(*p) {
|
|
const char *p2 = av_get_token(&p, ":");
|
|
const char *to_dealloc = p2;
|
|
char *key;
|
|
if (!p2)
|
|
break;
|
|
|
|
if(*p) p++;
|
|
|
|
key = av_get_token(&p2, "=");
|
|
if (!key || !*p2) {
|
|
av_freep(&to_dealloc);
|
|
av_freep(&key);
|
|
break;
|
|
}
|
|
p2++;
|
|
|
|
if (!strcmp(key, "program_num"))
|
|
progid = strtol(p2, NULL, 0);
|
|
av_freep(&to_dealloc);
|
|
av_freep(&key);
|
|
}
|
|
|
|
program = av_new_program(oc, progid);
|
|
|
|
p = o->program[i].u.str;
|
|
while(*p) {
|
|
const char *p2 = av_get_token(&p, ":");
|
|
const char *to_dealloc = p2;
|
|
char *key;
|
|
if (!p2)
|
|
break;
|
|
if(*p) p++;
|
|
|
|
key = av_get_token(&p2, "=");
|
|
if (!key) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"No '=' character in program string %s.\n",
|
|
p2);
|
|
exit_program(1);
|
|
}
|
|
if (!*p2)
|
|
exit_program(1);
|
|
p2++;
|
|
|
|
if (!strcmp(key, "title")) {
|
|
av_dict_set(&program->metadata, "title", p2, 0);
|
|
} else if (!strcmp(key, "program_num")) {
|
|
} else if (!strcmp(key, "st")) {
|
|
int st_num = strtol(p2, NULL, 0);
|
|
av_program_add_stream_index(oc, progid, st_num);
|
|
} else {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
|
|
exit_program(1);
|
|
}
|
|
av_freep(&to_dealloc);
|
|
av_freep(&key);
|
|
}
|
|
}
|
|
|
|
/* process manually set metadata */
|
|
for (i = 0; i < o->nb_metadata; i++) {
|
|
AVDictionary **m;
|
|
char type, *val;
|
|
const char *stream_spec;
|
|
int index = 0, j, ret = 0;
|
|
|
|
val = strchr(o->metadata[i].u.str, '=');
|
|
if (!val) {
|
|
av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
|
|
o->metadata[i].u.str);
|
|
exit_program(1);
|
|
}
|
|
*val++ = 0;
|
|
|
|
parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
|
|
if (type == 's') {
|
|
for (j = 0; j < oc->nb_streams; j++) {
|
|
ost = output_streams[nb_output_streams - oc->nb_streams + j];
|
|
if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
|
|
if (!strcmp(o->metadata[i].u.str, "rotate")) {
|
|
char *tail;
|
|
double theta = av_strtod(val, &tail);
|
|
if (!*tail) {
|
|
ost->rotate_overridden = 1;
|
|
ost->rotate_override_value = theta;
|
|
}
|
|
} else {
|
|
av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
|
|
}
|
|
} else if (ret < 0)
|
|
exit_program(1);
|
|
}
|
|
}
|
|
else {
|
|
switch (type) {
|
|
case 'g':
|
|
m = &oc->metadata;
|
|
break;
|
|
case 'c':
|
|
if (index < 0 || index >= oc->nb_chapters) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
|
|
exit_program(1);
|
|
}
|
|
m = &oc->chapters[index]->metadata;
|
|
break;
|
|
case 'p':
|
|
if (index < 0 || index >= oc->nb_programs) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
|
|
exit_program(1);
|
|
}
|
|
m = &oc->programs[index]->metadata;
|
|
break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
|
|
exit_program(1);
|
|
}
|
|
av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int opt_target(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
|
|
static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
|
|
|
|
if (!strncmp(arg, "pal-", 4)) {
|
|
norm = PAL;
|
|
arg += 4;
|
|
} else if (!strncmp(arg, "ntsc-", 5)) {
|
|
norm = NTSC;
|
|
arg += 5;
|
|
} else if (!strncmp(arg, "film-", 5)) {
|
|
norm = FILM;
|
|
arg += 5;
|
|
} else {
|
|
/* Try to determine PAL/NTSC by peeking in the input files */
|
|
if (nb_input_files) {
|
|
int i, j;
|
|
for (j = 0; j < nb_input_files; j++) {
|
|
for (i = 0; i < input_files[j]->nb_streams; i++) {
|
|
AVStream *st = input_files[j]->ctx->streams[i];
|
|
int64_t fr;
|
|
if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
|
|
continue;
|
|
fr = st->time_base.den * 1000LL / st->time_base.num;
|
|
if (fr == 25000) {
|
|
norm = PAL;
|
|
break;
|
|
} else if ((fr == 29970) || (fr == 23976)) {
|
|
norm = NTSC;
|
|
break;
|
|
}
|
|
}
|
|
if (norm != UNKNOWN)
|
|
break;
|
|
}
|
|
}
|
|
if (norm != UNKNOWN)
|
|
av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
|
|
}
|
|
|
|
if (norm == UNKNOWN) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
|
|
av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
|
|
av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (!strcmp(arg, "vcd")) {
|
|
opt_video_codec(o, "c:v", "mpeg1video");
|
|
opt_audio_codec(o, "c:a", "mp2");
|
|
parse_option(o, "f", "vcd", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
opt_default(NULL, "g", norm == PAL ? "15" : "18");
|
|
|
|
opt_default(NULL, "b:v", "1150000");
|
|
opt_default(NULL, "maxrate:v", "1150000");
|
|
opt_default(NULL, "minrate:v", "1150000");
|
|
opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
|
|
|
|
opt_default(NULL, "b:a", "224000");
|
|
parse_option(o, "ar", "44100", options);
|
|
parse_option(o, "ac", "2", options);
|
|
|
|
opt_default(NULL, "packetsize", "2324");
|
|
opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
|
|
|
|
/* We have to offset the PTS, so that it is consistent with the SCR.
|
|
SCR starts at 36000, but the first two packs contain only padding
|
|
and the first pack from the other stream, respectively, may also have
|
|
been written before.
|
|
So the real data starts at SCR 36000+3*1200. */
|
|
o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
|
|
} else if (!strcmp(arg, "svcd")) {
|
|
|
|
opt_video_codec(o, "c:v", "mpeg2video");
|
|
opt_audio_codec(o, "c:a", "mp2");
|
|
parse_option(o, "f", "svcd", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
parse_option(o, "pix_fmt", "yuv420p", options);
|
|
opt_default(NULL, "g", norm == PAL ? "15" : "18");
|
|
|
|
opt_default(NULL, "b:v", "2040000");
|
|
opt_default(NULL, "maxrate:v", "2516000");
|
|
opt_default(NULL, "minrate:v", "0"); // 1145000;
|
|
opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
|
|
opt_default(NULL, "scan_offset", "1");
|
|
|
|
opt_default(NULL, "b:a", "224000");
|
|
parse_option(o, "ar", "44100", options);
|
|
|
|
opt_default(NULL, "packetsize", "2324");
|
|
|
|
} else if (!strcmp(arg, "dvd")) {
|
|
|
|
opt_video_codec(o, "c:v", "mpeg2video");
|
|
opt_audio_codec(o, "c:a", "ac3");
|
|
parse_option(o, "f", "dvd", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
parse_option(o, "pix_fmt", "yuv420p", options);
|
|
opt_default(NULL, "g", norm == PAL ? "15" : "18");
|
|
|
|
opt_default(NULL, "b:v", "6000000");
|
|
opt_default(NULL, "maxrate:v", "9000000");
|
|
opt_default(NULL, "minrate:v", "0"); // 1500000;
|
|
opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
|
|
|
|
opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
|
|
opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
|
|
|
|
opt_default(NULL, "b:a", "448000");
|
|
parse_option(o, "ar", "48000", options);
|
|
|
|
} else if (!strncmp(arg, "dv", 2)) {
|
|
|
|
parse_option(o, "f", "dv", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
|
|
parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
|
|
norm == PAL ? "yuv420p" : "yuv411p", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
|
|
parse_option(o, "ar", "48000", options);
|
|
parse_option(o, "ac", "2", options);
|
|
|
|
} else {
|
|
av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
|
|
av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
av_free (vstats_filename);
|
|
vstats_filename = av_strdup (arg);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_vstats(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
char filename[40];
|
|
time_t today2 = time(NULL);
|
|
struct tm *today = localtime(&today2);
|
|
|
|
if (!today) { // maybe tomorrow
|
|
av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
|
|
exit_program(1);
|
|
}
|
|
|
|
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
|
|
today->tm_sec);
|
|
return opt_vstats_file(NULL, opt, filename);
|
|
}
|
|
|
|
static int opt_video_frames(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "frames:v", arg, options);
|
|
}
|
|
|
|
static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "frames:a", arg, options);
|
|
}
|
|
|
|
static int opt_data_frames(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "frames:d", arg, options);
|
|
}
|
|
|
|
static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
int ret;
|
|
AVDictionary *cbak = codec_opts;
|
|
AVDictionary *fbak = format_opts;
|
|
codec_opts = NULL;
|
|
format_opts = NULL;
|
|
|
|
ret = opt_default(NULL, opt, arg);
|
|
|
|
av_dict_copy(&o->g->codec_opts , codec_opts, 0);
|
|
av_dict_copy(&o->g->format_opts, format_opts, 0);
|
|
av_dict_free(&codec_opts);
|
|
av_dict_free(&format_opts);
|
|
codec_opts = cbak;
|
|
format_opts = fbak;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int opt_preset(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
FILE *f=NULL;
|
|
char filename[1000], line[1000], tmp_line[1000];
|
|
const char *codec_name = NULL;
|
|
|
|
tmp_line[0] = *opt;
|
|
tmp_line[1] = 0;
|
|
MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
|
|
|
|
if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
|
|
if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
|
|
av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
|
|
}else
|
|
av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
|
|
exit_program(1);
|
|
}
|
|
|
|
while (fgets(line, sizeof(line), f)) {
|
|
char *key = tmp_line, *value, *endptr;
|
|
|
|
if (strcspn(line, "#\n\r") == 0)
|
|
continue;
|
|
av_strlcpy(tmp_line, line, sizeof(tmp_line));
|
|
if (!av_strtok(key, "=", &value) ||
|
|
!av_strtok(value, "\r\n", &endptr)) {
|
|
av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
|
|
exit_program(1);
|
|
}
|
|
av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
|
|
|
|
if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
|
|
else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
|
|
else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
|
|
else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
|
|
else if (opt_default_new(o, key, value) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
|
|
filename, line, key, value);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int opt_old2new(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
int ret;
|
|
char *s = av_asprintf("%s:%c", opt + 1, *opt);
|
|
if (!s)
|
|
return AVERROR(ENOMEM);
|
|
ret = parse_option(o, s, arg, options);
|
|
av_free(s);
|
|
return ret;
|
|
}
|
|
|
|
static int opt_bitrate(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
|
|
if(!strcmp(opt, "ab")){
|
|
av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
|
|
return 0;
|
|
} else if(!strcmp(opt, "b")){
|
|
av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
|
|
av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
|
|
return 0;
|
|
}
|
|
av_dict_set(&o->g->codec_opts, opt, arg, 0);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_qscale(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
char *s;
|
|
int ret;
|
|
if(!strcmp(opt, "qscale")){
|
|
av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
|
|
return parse_option(o, "q:v", arg, options);
|
|
}
|
|
s = av_asprintf("q%s", opt + 6);
|
|
if (!s)
|
|
return AVERROR(ENOMEM);
|
|
ret = parse_option(o, s, arg, options);
|
|
av_free(s);
|
|
return ret;
|
|
}
|
|
|
|
static int opt_profile(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
if(!strcmp(opt, "profile")){
|
|
av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
|
|
av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
|
|
return 0;
|
|
}
|
|
av_dict_set(&o->g->codec_opts, opt, arg, 0);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_video_filters(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "filter:v", arg, options);
|
|
}
|
|
|
|
static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "filter:a", arg, options);
|
|
}
|
|
|
|
static int opt_vsync(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
|
|
else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
|
|
else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
|
|
else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
|
|
|
|
if (video_sync_method == VSYNC_AUTO)
|
|
video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_timecode(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
int ret;
|
|
char *tcr = av_asprintf("timecode=%s", arg);
|
|
if (!tcr)
|
|
return AVERROR(ENOMEM);
|
|
ret = parse_option(o, "metadata:g", tcr, options);
|
|
if (ret >= 0)
|
|
ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
|
|
av_free(tcr);
|
|
return ret;
|
|
}
|
|
|
|
static int opt_channel_layout(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
char layout_str[32];
|
|
char *stream_str;
|
|
char *ac_str;
|
|
int ret, channels, ac_str_size;
|
|
uint64_t layout;
|
|
|
|
layout = av_get_channel_layout(arg);
|
|
if (!layout) {
|
|
av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
|
|
ret = opt_default_new(o, opt, layout_str);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* set 'ac' option based on channel layout */
|
|
channels = av_get_channel_layout_nb_channels(layout);
|
|
snprintf(layout_str, sizeof(layout_str), "%d", channels);
|
|
stream_str = strchr(opt, ':');
|
|
ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
|
|
ac_str = av_mallocz(ac_str_size);
|
|
if (!ac_str)
|
|
return AVERROR(ENOMEM);
|
|
av_strlcpy(ac_str, "ac", 3);
|
|
if (stream_str)
|
|
av_strlcat(ac_str, stream_str, ac_str_size);
|
|
ret = parse_option(o, ac_str, layout_str, options);
|
|
av_free(ac_str);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
return parse_option(o, "q:a", arg, options);
|
|
}
|
|
|
|
static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
GROW_ARRAY(filtergraphs, nb_filtergraphs);
|
|
if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
|
|
return AVERROR(ENOMEM);
|
|
filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
|
|
filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
|
|
if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
|
|
return AVERROR(ENOMEM);
|
|
|
|
input_stream_potentially_available = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
uint8_t *graph_desc = read_file(arg);
|
|
if (!graph_desc)
|
|
return AVERROR(EINVAL);
|
|
|
|
GROW_ARRAY(filtergraphs, nb_filtergraphs);
|
|
if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
|
|
return AVERROR(ENOMEM);
|
|
filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
|
|
filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
|
|
|
|
input_stream_potentially_available = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void show_help_default(const char *opt, const char *arg)
|
|
{
|
|
/* per-file options have at least one of those set */
|
|
const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
|
|
int show_advanced = 0, show_avoptions = 0;
|
|
|
|
if (opt && *opt) {
|
|
if (!strcmp(opt, "long"))
|
|
show_advanced = 1;
|
|
else if (!strcmp(opt, "full"))
|
|
show_advanced = show_avoptions = 1;
|
|
else
|
|
av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
|
|
}
|
|
|
|
show_usage();
|
|
|
|
printf("Getting help:\n"
|
|
" -h -- print basic options\n"
|
|
" -h long -- print more options\n"
|
|
" -h full -- print all options (including all format and codec specific options, very long)\n"
|
|
" -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol\n"
|
|
" See man %s for detailed description of the options.\n"
|
|
"\n", program_name);
|
|
|
|
show_help_options(options, "Print help / information / capabilities:",
|
|
OPT_EXIT, 0, 0);
|
|
|
|
show_help_options(options, "Global options (affect whole program "
|
|
"instead of just one file):",
|
|
0, per_file | OPT_EXIT | OPT_EXPERT, 0);
|
|
if (show_advanced)
|
|
show_help_options(options, "Advanced global options:", OPT_EXPERT,
|
|
per_file | OPT_EXIT, 0);
|
|
|
|
show_help_options(options, "Per-file main options:", 0,
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
|
|
OPT_EXIT, per_file);
|
|
if (show_advanced)
|
|
show_help_options(options, "Advanced per-file options:",
|
|
OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
|
|
|
|
show_help_options(options, "Video options:",
|
|
OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
|
|
if (show_advanced)
|
|
show_help_options(options, "Advanced Video options:",
|
|
OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
|
|
|
|
show_help_options(options, "Audio options:",
|
|
OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
|
|
if (show_advanced)
|
|
show_help_options(options, "Advanced Audio options:",
|
|
OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
|
|
show_help_options(options, "Subtitle options:",
|
|
OPT_SUBTITLE, 0, 0);
|
|
printf("\n");
|
|
|
|
if (show_avoptions) {
|
|
int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
|
|
show_help_children(avcodec_get_class(), flags);
|
|
show_help_children(avformat_get_class(), flags);
|
|
#if CONFIG_SWSCALE
|
|
show_help_children(sws_get_class(), flags);
|
|
#endif
|
|
#if CONFIG_SWRESAMPLE
|
|
show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
|
|
#endif
|
|
show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
|
|
show_help_children(av_bsf_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_BSF_PARAM);
|
|
}
|
|
}
|
|
|
|
void show_usage(void)
|
|
{
|
|
av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
|
|
av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
|
|
av_log(NULL, AV_LOG_INFO, "\n");
|
|
}
|
|
|
|
enum OptGroup {
|
|
GROUP_OUTFILE,
|
|
GROUP_INFILE,
|
|
};
|
|
|
|
static const OptionGroupDef groups[] = {
|
|
[GROUP_OUTFILE] = { "output url", NULL, OPT_OUTPUT },
|
|
[GROUP_INFILE] = { "input url", "i", OPT_INPUT },
|
|
};
|
|
|
|
static int open_files(OptionGroupList *l, const char *inout,
|
|
int (*open_file)(OptionsContext*, const char*))
|
|
{
|
|
int i, ret;
|
|
|
|
for (i = 0; i < l->nb_groups; i++) {
|
|
OptionGroup *g = &l->groups[i];
|
|
OptionsContext o;
|
|
|
|
init_options(&o);
|
|
o.g = g;
|
|
|
|
ret = parse_optgroup(&o, g);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
|
|
"%s.\n", inout, g->arg);
|
|
uninit_options(&o);
|
|
return ret;
|
|
}
|
|
|
|
av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
|
|
ret = open_file(&o, g->arg);
|
|
uninit_options(&o);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
|
|
inout, g->arg);
|
|
return ret;
|
|
}
|
|
av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ffmpeg_parse_options(int argc, char **argv)
|
|
{
|
|
OptionParseContext octx;
|
|
uint8_t error[128];
|
|
int ret;
|
|
|
|
memset(&octx, 0, sizeof(octx));
|
|
|
|
/* split the commandline into an internal representation */
|
|
ret = split_commandline(&octx, argc, argv, options, groups,
|
|
FF_ARRAY_ELEMS(groups));
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
|
|
goto fail;
|
|
}
|
|
|
|
/* apply global options */
|
|
ret = parse_optgroup(NULL, &octx.global_opts);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
|
|
goto fail;
|
|
}
|
|
|
|
/* configure terminal and setup signal handlers */
|
|
term_init();
|
|
|
|
/* open input files */
|
|
ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
|
|
goto fail;
|
|
}
|
|
|
|
/* create the complex filtergraphs */
|
|
ret = init_complex_filters();
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
|
|
goto fail;
|
|
}
|
|
|
|
/* open output files */
|
|
ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
|
|
goto fail;
|
|
}
|
|
|
|
check_filter_outputs();
|
|
|
|
fail:
|
|
uninit_parse_context(&octx);
|
|
if (ret < 0) {
|
|
av_strerror(ret, error, sizeof(error));
|
|
av_log(NULL, AV_LOG_FATAL, "%s\n", error);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int opt_progress(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
AVIOContext *avio = NULL;
|
|
int ret;
|
|
|
|
if (!strcmp(arg, "-"))
|
|
arg = "pipe:";
|
|
ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
|
|
arg, av_err2str(ret));
|
|
return ret;
|
|
}
|
|
progress_avio = avio;
|
|
return 0;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(OptionsContext, x)
|
|
const OptionDef options[] = {
|
|
/* main options */
|
|
CMDUTILS_COMMON_OPTIONS
|
|
{ "f", HAS_ARG | OPT_STRING | OPT_OFFSET |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) },
|
|
"force format", "fmt" },
|
|
{ "y", OPT_BOOL, { &file_overwrite },
|
|
"overwrite output files" },
|
|
{ "n", OPT_BOOL, { &no_file_overwrite },
|
|
"never overwrite output files" },
|
|
{ "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams },
|
|
"Ignore unknown stream types" },
|
|
{ "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams },
|
|
"Copy unknown stream types" },
|
|
{ "c", HAS_ARG | OPT_STRING | OPT_SPEC |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
|
|
"codec name", "codec" },
|
|
{ "codec", HAS_ARG | OPT_STRING | OPT_SPEC |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) },
|
|
"codec name", "codec" },
|
|
{ "pre", HAS_ARG | OPT_STRING | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(presets) },
|
|
"preset name", "preset" },
|
|
{ "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
|
|
OPT_OUTPUT, { .func_arg = opt_map },
|
|
"set input stream mapping",
|
|
"[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
|
|
{ "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel },
|
|
"map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
|
|
{ "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(metadata_map) },
|
|
"set metadata information of outfile from infile",
|
|
"outfile[,metadata]:infile[,metadata]" },
|
|
{ "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET |
|
|
OPT_OUTPUT, { .off = OFFSET(chapters_input_file) },
|
|
"set chapters mapping", "input_file_index" },
|
|
{ "t", HAS_ARG | OPT_TIME | OPT_OFFSET |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) },
|
|
"record or transcode \"duration\" seconds of audio/video",
|
|
"duration" },
|
|
{ "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(stop_time) },
|
|
"record or transcode stop time", "time_stop" },
|
|
{ "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) },
|
|
"set the limit file size in bytes", "limit_size" },
|
|
{ "ss", HAS_ARG | OPT_TIME | OPT_OFFSET |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) },
|
|
"set the start time offset", "time_off" },
|
|
{ "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET |
|
|
OPT_INPUT, { .off = OFFSET(start_time_eof) },
|
|
"set the start time offset relative to EOF", "time_off" },
|
|
{ "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET |
|
|
OPT_INPUT, { .off = OFFSET(seek_timestamp) },
|
|
"enable/disable seeking by timestamp with -ss" },
|
|
{ "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT |
|
|
OPT_INPUT, { .off = OFFSET(accurate_seek) },
|
|
"enable/disable accurate seeking with -ss" },
|
|
{ "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET |
|
|
OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) },
|
|
"set the input ts offset", "time_off" },
|
|
{ "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC |
|
|
OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) },
|
|
"set the input ts scale", "scale" },
|
|
{ "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp },
|
|
"set the recording timestamp ('now' to set the current time)", "time" },
|
|
{ "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
|
|
"add metadata", "string=string" },
|
|
{ "program", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(program) },
|
|
"add program with specified streams", "title=string:st=number..." },
|
|
{ "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
|
|
OPT_OUTPUT, { .func_arg = opt_data_frames },
|
|
"set the number of data frames to output", "number" },
|
|
{ "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark },
|
|
"add timings for benchmarking" },
|
|
{ "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all },
|
|
"add timings for each task" },
|
|
{ "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress },
|
|
"write program-readable progress information", "url" },
|
|
{ "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction },
|
|
"enable or disable interaction on standard input" },
|
|
{ "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit },
|
|
"set max runtime in seconds in CPU user time", "limit" },
|
|
{ "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump },
|
|
"dump each input packet" },
|
|
{ "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump },
|
|
"when dumping packets, also dump the payload" },
|
|
{ "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
|
|
OPT_INPUT, { .off = OFFSET(rate_emu) },
|
|
"read input at native frame rate", "" },
|
|
{ "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target },
|
|
"specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
|
|
"with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
|
|
{ "vsync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vsync },
|
|
"video sync method", "" },
|
|
{ "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold },
|
|
"frame drop threshold", "" },
|
|
{ "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method },
|
|
"audio sync method", "" },
|
|
{ "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold },
|
|
"audio drift threshold", "threshold" },
|
|
{ "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts },
|
|
"copy timestamps" },
|
|
{ "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero },
|
|
"shift input timestamps to start at 0 when using copyts" },
|
|
{ "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb },
|
|
"copy input stream time base when stream copying", "mode" },
|
|
{ "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
|
|
OPT_OUTPUT, { .off = OFFSET(shortest) },
|
|
"finish encoding within shortest input" },
|
|
{ "bitexact", OPT_BOOL | OPT_EXPERT | OPT_OFFSET |
|
|
OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(bitexact) },
|
|
"bitexact mode" },
|
|
{ "apad", OPT_STRING | HAS_ARG | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(apad) },
|
|
"audio pad", "" },
|
|
{ "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold },
|
|
"timestamp discontinuity delta threshold", "threshold" },
|
|
{ "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold },
|
|
"timestamp error delta threshold", "threshold" },
|
|
{ "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error },
|
|
"exit on error", "error" },
|
|
{ "abort_on", HAS_ARG | OPT_EXPERT, { .func_arg = opt_abort_on },
|
|
"abort on the specified condition flags", "flags" },
|
|
{ "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) },
|
|
"copy initial non-keyframes" },
|
|
{ "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) },
|
|
"copy or discard frames before start time" },
|
|
{ "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
|
|
"set the number of frames to output", "number" },
|
|
{ "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
|
|
OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
|
|
"force codec tag/fourcc", "fourcc/tag" },
|
|
{ "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
|
|
OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
|
|
"use fixed quality scale (VBR)", "q" },
|
|
{ "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE |
|
|
OPT_OUTPUT, { .func_arg = opt_qscale },
|
|
"use fixed quality scale (VBR)", "q" },
|
|
{ "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile },
|
|
"set profile", "profile" },
|
|
{ "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
|
|
"set stream filtergraph", "filter_graph" },
|
|
{ "filter_threads", HAS_ARG | OPT_INT, { &filter_nbthreads },
|
|
"number of non-complex filter threads" },
|
|
{ "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
|
|
"read stream filtergraph description from a file", "filename" },
|
|
{ "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
|
|
"reinit filtergraph on input parameter changes", "" },
|
|
{ "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
|
|
"create a complex filtergraph", "graph_description" },
|
|
{ "filter_complex_threads", HAS_ARG | OPT_INT, { &filter_complex_nbthreads },
|
|
"number of threads for -filter_complex" },
|
|
{ "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
|
|
"create a complex filtergraph", "graph_description" },
|
|
{ "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
|
|
"read complex filtergraph description from a file", "filename" },
|
|
{ "stats", OPT_BOOL, { &print_stats },
|
|
"print progress report during encoding", },
|
|
{ "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |
|
|
OPT_OUTPUT, { .func_arg = opt_attach },
|
|
"add an attachment to the output file", "filename" },
|
|
{ "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC |
|
|
OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) },
|
|
"extract an attachment into a file", "filename" },
|
|
{ "stream_loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT |
|
|
OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
|
|
{ "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts },
|
|
"print timestamp debugging info" },
|
|
{ "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate },
|
|
"ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success.", "maximum error rate" },
|
|
{ "discard", OPT_STRING | HAS_ARG | OPT_SPEC |
|
|
OPT_INPUT, { .off = OFFSET(discard) },
|
|
"discard", "" },
|
|
{ "disposition", OPT_STRING | HAS_ARG | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(disposition) },
|
|
"disposition", "" },
|
|
{ "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
|
|
{ .off = OFFSET(thread_queue_size) },
|
|
"set the maximum number of queued packets from the demuxer" },
|
|
{ "find_stream_info", OPT_BOOL | OPT_PERFILE | OPT_INPUT | OPT_EXPERT, { &find_stream_info },
|
|
"read and decode the streams to fill missing information with heuristics" },
|
|
|
|
/* video options */
|
|
{ "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames },
|
|
"set the number of video frames to output", "number" },
|
|
{ "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) },
|
|
"set frame rate (Hz value, fraction or abbreviation)", "rate" },
|
|
{ "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) },
|
|
"set frame size (WxH or abbreviation)", "size" },
|
|
{ "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) },
|
|
"set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
|
|
{ "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) },
|
|
"set pixel format", "format" },
|
|
{ "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample },
|
|
"set the number of bits per raw sample", "number" },
|
|
{ "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only },
|
|
"deprecated use -g 1" },
|
|
{ "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) },
|
|
"disable video" },
|
|
{ "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(rc_overrides) },
|
|
"rate control override for specific intervals", "override" },
|
|
{ "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT |
|
|
OPT_OUTPUT, { .func_arg = opt_video_codec },
|
|
"force video codec ('copy' to copy stream)", "codec" },
|
|
{ "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
|
|
"Removed" },
|
|
{ "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq },
|
|
"Removed" },
|
|
{ "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode },
|
|
"set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
|
|
{ "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) },
|
|
"select the pass number (1 to 3)", "n" },
|
|
{ "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(passlogfiles) },
|
|
"select two pass log file name prefix", "prefix" },
|
|
{ "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace },
|
|
"this option is deprecated, use the yadif filter instead" },
|
|
{ "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr },
|
|
"calculate PSNR of compressed frames" },
|
|
{ "vstats", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_vstats },
|
|
"dump video coding statistics to file" },
|
|
{ "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { .func_arg = opt_vstats_file },
|
|
"dump video coding statistics to file", "file" },
|
|
{ "vstats_version", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &vstats_version },
|
|
"Version of the vstats format to use."},
|
|
{ "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters },
|
|
"set video filters", "filter_graph" },
|
|
{ "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(intra_matrices) },
|
|
"specify intra matrix coeffs", "matrix" },
|
|
{ "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(inter_matrices) },
|
|
"specify inter matrix coeffs", "matrix" },
|
|
{ "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) },
|
|
"specify intra matrix coeffs", "matrix" },
|
|
{ "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) },
|
|
"top=1/bottom=0/auto=-1 field first", "" },
|
|
{ "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
|
|
OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new },
|
|
"force video tag/fourcc", "fourcc/tag" },
|
|
{ "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist },
|
|
"show QP histogram" },
|
|
{ "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC |
|
|
OPT_OUTPUT, { .off = OFFSET(force_fps) },
|
|
"force the selected framerate, disable the best supported framerate selection" },
|
|
{ "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
|
|
OPT_OUTPUT, { .func_arg = opt_streamid },
|
|
"set the value of an outfile streamid", "streamIndex:value" },
|
|
{ "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
|
|
OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) },
|
|
"force key frames at specified timestamps", "timestamps" },
|
|
{ "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
|
|
"audio bitrate (please use -b:a)", "bitrate" },
|
|
{ "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate },
|
|
"video bitrate (please use -b:v)", "bitrate" },
|
|
{ "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
|
|
OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) },
|
|
"use HW accelerated decoding", "hwaccel name" },
|
|
{ "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
|
|
OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
|
|
"select a device for HW acceleration", "devicename" },
|
|
{ "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
|
|
OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
|
|
"select output format used with HW accelerated decoding", "format" },
|
|
#if CONFIG_VIDEOTOOLBOX
|
|
{ "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" },
|
|
#endif
|
|
{ "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
|
|
"show available HW acceleration methods" },
|
|
{ "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
|
|
OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
|
|
"automatically insert correct rotate filters" },
|
|
{ "autoscale", HAS_ARG | OPT_BOOL | OPT_SPEC |
|
|
OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(autoscale) },
|
|
"automatically insert a scale filter at the end of the filter graph" },
|
|
|
|
/* audio options */
|
|
{ "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
|
|
"set the number of audio frames to output", "number" },
|
|
{ "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale },
|
|
"set audio quality (codec-specific)", "quality", },
|
|
{ "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) },
|
|
"set audio sampling rate (in Hz)", "rate" },
|
|
{ "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC |
|
|
OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) },
|
|
"set number of audio channels", "channels" },
|
|
{ "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) },
|
|
"disable audio" },
|
|
{ "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE |
|
|
OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec },
|
|
"force audio codec ('copy' to copy stream)", "codec" },
|
|
{ "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
|
|
OPT_OUTPUT, { .func_arg = opt_old2new },
|
|
"force audio tag/fourcc", "fourcc/tag" },
|
|
{ "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume },
|
|
"change audio volume (256=normal)" , "volume" },
|
|
{ "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC |
|
|
OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) },
|
|
"set sample format", "format" },
|
|
{ "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE |
|
|
OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout },
|
|
"set channel layout", "layout" },
|
|
{ "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters },
|
|
"set audio filters", "filter_graph" },
|
|
{ "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) },
|
|
"set the maximum number of channels to try to guess the channel layout" },
|
|
|
|
/* subtitle options */
|
|
{ "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) },
|
|
"disable subtitle" },
|
|
{ "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec },
|
|
"force subtitle codec ('copy' to copy stream)", "codec" },
|
|
{ "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }
|
|
, "force subtitle tag/fourcc", "fourcc/tag" },
|
|
{ "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) },
|
|
"fix subtitles duration" },
|
|
{ "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) },
|
|
"set canvas size (WxH or abbreviation)", "size" },
|
|
|
|
/* grab options */
|
|
{ "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel },
|
|
"deprecated, use -channel", "channel" },
|
|
{ "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard },
|
|
"deprecated, use -standard", "standard" },
|
|
{ "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" },
|
|
|
|
/* muxer options */
|
|
{ "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) },
|
|
"set the maximum demux-decode delay", "seconds" },
|
|
{ "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) },
|
|
"set the initial demux-decode delay", "seconds" },
|
|
{ "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { .func_arg = opt_sdp_file },
|
|
"specify a file in which to print sdp information", "file" },
|
|
|
|
{ "time_base", HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(time_bases) },
|
|
"set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)", "ratio" },
|
|
{ "enc_time_base", HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(enc_time_bases) },
|
|
"set the desired time base for the encoder (1:24, 1:48000 or 0.04166, 2.0833e-5). "
|
|
"two special values are defined - "
|
|
"0 = use frame rate (video) or sample rate (audio),"
|
|
"-1 = match source time base", "ratio" },
|
|
|
|
{ "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) },
|
|
"A comma-separated list of bitstream filters", "bitstream_filters" },
|
|
{ "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
|
|
"deprecated", "audio bitstream_filters" },
|
|
{ "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new },
|
|
"deprecated", "video bitstream_filters" },
|
|
|
|
{ "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
|
|
"set the audio options to the indicated preset", "preset" },
|
|
{ "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
|
|
"set the video options to the indicated preset", "preset" },
|
|
{ "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
|
|
"set the subtitle options to the indicated preset", "preset" },
|
|
{ "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset },
|
|
"set options from indicated preset file", "filename" },
|
|
|
|
{ "max_muxing_queue_size", HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(max_muxing_queue_size) },
|
|
"maximum number of packets that can be buffered while waiting for all streams to initialize", "packets" },
|
|
|
|
/* data codec support */
|
|
{ "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
|
|
"force data codec ('copy' to copy stream)", "codec" },
|
|
{ "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) },
|
|
"disable data" },
|
|
|
|
#if CONFIG_VAAPI
|
|
{ "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
|
|
"set VAAPI hardware device (DRM path or X11 display name)", "device" },
|
|
#endif
|
|
|
|
#if CONFIG_QSV
|
|
{ "qsv_device", HAS_ARG | OPT_STRING | OPT_EXPERT, { &qsv_device },
|
|
"set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", "device"},
|
|
#endif
|
|
|
|
{ "init_hw_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_init_hw_device },
|
|
"initialise hardware device", "args" },
|
|
{ "filter_hw_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_hw_device },
|
|
"set hardware device used when filtering", "device" },
|
|
|
|
{ NULL, },
|
|
};
|