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Code Issues Releases Activity

Merge remote-tracking branch 'qatar/master'

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* qatar/master: (22 commits)
  g722dec: check output buffer size before decoding
  g722dec: cosmetics: reindent/linewrap
  g722dec: remove the use of lowres for half-rate decoding.
  tta: check for extradata allocation failure in tta demuxer
  tta: check for allocation failure of decode_buffer
  tta: use correct frame_length calculation.
  tta: add support for decoding 24-bit sample format
  cosmetics: indentation
  tta: remove pointless braces
  tta: check output buffer size after adjusting frame length for last frame
  tta: fix reading of format in TTA header.
  tta: remove useless commented-out lines
  tta: check remaining bitstream size while reading unary value
  lavf: deprecate AVStream.stream_copy
  avconc: split choose_codec() to choose_decoder/choose_encoder.
  lavf: simplify by using FFMAX/FFMIN.
  mpegenc: add preload private option.
  cosmetics: simplify latm_decode_init
  latm: avoid unnecessary reinit of the aac decoder
  aacdec: initialize sbr context only in new channel elements
  ...

Conflicts:
	avconv.c
	libavcodec/resample.c
	libavcodec/tta.c
	libavformat/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-10-26 02:09:31 +02:00
commit 51bfaa21c8
11 changed files with 304 additions and 291 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

87
avconv.c
View File

@ -243,6 +243,7 @@ typedef struct OutputStream {
int64_t sws_flags; int64_t sws_flags;
AVDictionary *opts; AVDictionary *opts;
int is_past_recording_time; int is_past_recording_time;
int stream_copy;
} OutputStream; } OutputStream;
#if HAVE_TERMIOS_H #if HAVE_TERMIOS_H
@ -396,7 +397,6 @@ static void reset_options(OptionsContext *o)
memset(o, 0, sizeof(*o)); memset(o, 0, sizeof(*o));
o->mux_preload = 0.5;
o->mux_max_delay = 0.7; o->mux_max_delay = 0.7;
o->recording_time = INT64_MAX; o->recording_time = INT64_MAX;
o->limit_filesize = UINT64_MAX; o->limit_filesize = UINT64_MAX;
@ -1407,7 +1407,7 @@ static void print_report(OutputFile *output_files,
float q = -1; float q = -1;
ost = &ost_table[i]; ost = &ost_table[i];
enc = ost->st->codec; enc = ost->st->codec;
if (!ost->st->stream_copy && enc->coded_frame) if (!ost->stream_copy && enc->coded_frame)
q = enc->coded_frame->quality/(float)FF_QP2LAMBDA; q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
@ -2054,7 +2054,7 @@ static int transcode_init(OutputFile *output_files,
codec->bits_per_raw_sample= icodec->bits_per_raw_sample; codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
codec->chroma_sample_location = icodec->chroma_sample_location; codec->chroma_sample_location = icodec->chroma_sample_location;
if (ost->st->stream_copy) { if (ost->stream_copy) {
uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
if (extra_size > INT_MAX) { if (extra_size > INT_MAX) {
@ -2150,9 +2150,8 @@ static int transcode_init(OutputFile *output_files,
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
} }
ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE); ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
if (!codec->sample_rate) { if (!codec->sample_rate)
codec->sample_rate = icodec->sample_rate; codec->sample_rate = icodec->sample_rate;
}
choose_sample_rate(ost->st, ost->enc); choose_sample_rate(ost->st, ost->enc);
codec->time_base = (AVRational){1, codec->sample_rate}; codec->time_base = (AVRational){1, codec->sample_rate};
if (codec->sample_fmt == AV_SAMPLE_FMT_NONE) if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
@ -2360,7 +2359,7 @@ static int transcode_init(OutputFile *output_files,
av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]", av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
ost->sync_ist->file_index, ost->sync_ist->file_index,
ost->sync_ist->st->index); ost->sync_ist->st->index);
if (ost->st->stream_copy) if (ost->stream_copy)
av_log(NULL, AV_LOG_INFO, " (copy)"); av_log(NULL, AV_LOG_INFO, " (copy)");
else else
av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ? av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
@ -2643,7 +2642,7 @@ static int transcode(OutputFile *output_files,
for (i = 0; i < nb_output_streams; i++) { for (i = 0; i < nb_output_streams; i++) {
ost = &output_streams[i]; ost = &output_streams[i];
if (ost) { if (ost) {
if (ost->st->stream_copy) if (ost->stream_copy)
av_freep(&ost->st->codec->extradata); av_freep(&ost->st->codec->extradata);
if (ost->logfile) { if (ost->logfile) {
fclose(ost->logfile); fclose(ost->logfile);
@ -2842,13 +2841,11 @@ static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
return 0; return 0;
} }
static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder) static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
{ {
const char *codec_string = encoder ? "encoder" : "decoder"; const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec; AVCodec *codec;
if(!name)
return CODEC_ID_NONE;
codec = encoder ? codec = encoder ?
avcodec_find_encoder_by_name(name) : avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name); avcodec_find_decoder_by_name(name);
@ -2860,29 +2857,20 @@ static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, i
av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
exit_program(1); exit_program(1);
} }
return codec->id; return codec;
} }
static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type) static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
{ {
char *codec_name = NULL; char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st); MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
if (codec_name) {
if (!codec_name) { AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
if (s->oformat) { st->codec->codec_id = codec->id;
st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type); return codec;
return avcodec_find_encoder(st->codec->codec_id); } else
} return avcodec_find_decoder(st->codec->codec_id);
} else if (!strcmp(codec_name, "copy"))
st->stream_copy = 1;
else {
st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
avcodec_find_decoder_by_name(codec_name);
}
return NULL;
} }
/** /**
@ -2909,9 +2897,7 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st); MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
ist->ts_scale = scale; ist->ts_scale = scale;
ist->dec = choose_codec(o, ic, st, dec->codec_type); ist->dec = choose_decoder(o, ic, st);
if (!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
switch (dec->codec_type) { switch (dec->codec_type) {
case AVMEDIA_TYPE_AUDIO: case AVMEDIA_TYPE_AUDIO:
@ -3016,7 +3002,7 @@ static int opt_input_file(OptionsContext *o, const char *opt, const char *filena
/* apply forced codec ids */ /* apply forced codec ids */
for (i = 0; i < ic->nb_streams; i++) for (i = 0; i < ic->nb_streams; i++)
choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type); choose_decoder(o, ic, ic->streams[i]);
/* Set AVCodecContext options for avformat_find_stream_info */ /* Set AVCodecContext options for avformat_find_stream_info */
opts = setup_find_stream_info_opts(ic, codec_opts); opts = setup_find_stream_info_opts(ic, codec_opts);
@ -3134,6 +3120,23 @@ static int get_preset_file_2(const char *preset_name, const char *codec_name, AV
return ret; return ret;
} }
static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
if (!codec_name) {
ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
NULL, ost->st->codec->codec_type);
ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
} else if (!strcmp(codec_name, "copy"))
ost->stream_copy = 1;
else {
ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
ost->st->codec->codec_id = ost->enc->id;
}
}
static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type) static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
{ {
OutputStream *ost; OutputStream *ost;
@ -3161,7 +3164,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
ost->index = idx; ost->index = idx;
ost->st = st; ost->st = st;
st->codec->codec_type = type; st->codec->codec_type = type;
ost->enc = choose_codec(o, oc, st, type); choose_encoder(o, oc, ost);
if (ost->enc) { if (ost->enc) {
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st); ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
} }
@ -3262,7 +3265,7 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
st = ost->st; st = ost->st;
video_enc = st->codec; video_enc = st->codec;
if (!st->stream_copy) { if (!ost->stream_copy) {
const char *p = NULL; const char *p = NULL;
char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL; char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL; char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
@ -3379,7 +3382,7 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
audio_enc = st->codec; audio_enc = st->codec;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
if (!st->stream_copy) { if (!ost->stream_copy) {
char *sample_fmt = NULL; char *sample_fmt = NULL;
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st); MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
@ -3399,12 +3402,10 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc) static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
{ {
AVStream *st;
OutputStream *ost; OutputStream *ost;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA); ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
st = ost->st; if (!ost->stream_copy) {
if (!st->stream_copy) {
av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n"); av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
exit_program(1); exit_program(1);
} }
@ -3415,7 +3416,7 @@ static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc) static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
{ {
OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT); OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
ost->st->stream_copy = 1; ost->stream_copy = 1;
return ost; return ost;
} }
@ -3520,9 +3521,9 @@ static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const ch
memcpy(st->info, ic->streams[i]->info, sizeof(*st->info)); memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
avcodec_copy_context(st->codec, ic->streams[i]->codec); avcodec_copy_context(st->codec, ic->streams[i]->codec);
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy) if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
choose_sample_fmt(st, codec); choose_sample_fmt(st, codec);
else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy) else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
choose_pixel_fmt(st, codec); choose_pixel_fmt(st, codec);
} }
@ -3678,7 +3679,11 @@ static void opt_output_file(void *optctx, const char *filename)
} }
} }
oc->preload = (int)(o->mux_preload * AV_TIME_BASE); if (o->mux_preload) {
uint8_t buf[64];
snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE); oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
/* copy chapters */ /* copy chapters */

99
ffmpeg.c
View File

@ -251,6 +251,7 @@ typedef struct OutputStream {
int64_t sws_flags; int64_t sws_flags;
AVDictionary *opts; AVDictionary *opts;
int is_past_recording_time; int is_past_recording_time;
int stream_copy;
} OutputStream; } OutputStream;
@ -410,7 +411,6 @@ static void reset_options(OptionsContext *o, int is_input)
if(is_input) o->recording_time = bak.recording_time; if(is_input) o->recording_time = bak.recording_time;
else o->recording_time = INT64_MAX; else o->recording_time = INT64_MAX;
o->mux_preload = 0.5;
o->mux_max_delay = 0.7; o->mux_max_delay = 0.7;
o->limit_filesize = UINT64_MAX; o->limit_filesize = UINT64_MAX;
o->chapters_input_file = INT_MAX; o->chapters_input_file = INT_MAX;
@ -1414,7 +1414,7 @@ static void print_report(OutputFile *output_files,
float q = -1; float q = -1;
ost = &ost_table[i]; ost = &ost_table[i];
enc = ost->st->codec; enc = ost->st->codec;
if (!ost->st->stream_copy && enc->coded_frame) if (!ost->stream_copy && enc->coded_frame)
q = enc->coded_frame->quality/(float)FF_QP2LAMBDA; q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
@ -2066,7 +2066,7 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
codec->bits_per_raw_sample= icodec->bits_per_raw_sample; codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
codec->chroma_sample_location = icodec->chroma_sample_location; codec->chroma_sample_location = icodec->chroma_sample_location;
if (ost->st->stream_copy) { if (ost->stream_copy) {
uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
if (extra_size > INT_MAX) { if (extra_size > INT_MAX) {
@ -2161,9 +2161,8 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
if (!ost->fifo) { if (!ost->fifo) {
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
} }
if (!codec->sample_rate) { if (!codec->sample_rate)
codec->sample_rate = icodec->sample_rate; codec->sample_rate = icodec->sample_rate;
}
choose_sample_rate(ost->st, ost->enc); choose_sample_rate(ost->st, ost->enc);
codec->time_base = (AVRational){1, codec->sample_rate}; codec->time_base = (AVRational){1, codec->sample_rate};
if (codec->sample_fmt == AV_SAMPLE_FMT_NONE) if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
@ -2377,7 +2376,7 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]", av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
ost->sync_ist->file_index, ost->sync_ist->file_index,
ost->sync_ist->st->index); ost->sync_ist->st->index);
if (ost->st->stream_copy) if (ost->stream_copy)
av_log(NULL, AV_LOG_INFO, " (copy)"); av_log(NULL, AV_LOG_INFO, " (copy)");
else else
av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ? av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
@ -2701,7 +2700,7 @@ static int transcode(OutputFile *output_files, int nb_output_files,
for (i = 0; i < nb_output_streams; i++) { for (i = 0; i < nb_output_streams; i++) {
ost = &output_streams[i]; ost = &output_streams[i];
if (ost) { if (ost) {
if (ost->st->stream_copy) if (ost->stream_copy)
av_freep(&ost->st->codec->extradata); av_freep(&ost->st->codec->extradata);
if (ost->logfile) { if (ost->logfile) {
fclose(ost->logfile); fclose(ost->logfile);
@ -2944,13 +2943,11 @@ static int opt_recording_timestamp(OptionsContext *o, const char *opt, const cha
return 0; return 0;
} }
static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder) static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
{ {
const char *codec_string = encoder ? "encoder" : "decoder"; const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec; AVCodec *codec;
if(!name)
return CODEC_ID_NONE;
codec = encoder ? codec = encoder ?
avcodec_find_encoder_by_name(name) : avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name); avcodec_find_decoder_by_name(name);
@ -2962,29 +2959,20 @@ static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, i
av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
exit_program(1); exit_program(1);
} }
return codec->id; return codec;
} }
static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type) static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
{ {
char *codec_name = NULL; char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st); MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
if (codec_name) {
if (!codec_name) { AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
if (s->oformat) { st->codec->codec_id = codec->id;
st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type); return codec;
return avcodec_find_encoder(st->codec->codec_id); } else
} return avcodec_find_decoder(st->codec->codec_id);
} else if (!strcmp(codec_name, "copy"))
st->stream_copy = 1;
else {
st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
avcodec_find_decoder_by_name(codec_name);
}
return NULL;
} }
/** /**
@ -3020,9 +3008,7 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
st->codec->codec_tag = tag; st->codec->codec_tag = tag;
} }
ist->dec = choose_codec(o, ic, st, dec->codec_type); ist->dec = choose_decoder(o, ic, st);
if (!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
switch (dec->codec_type) { switch (dec->codec_type) {
case AVMEDIA_TYPE_AUDIO: case AVMEDIA_TYPE_AUDIO:
@ -3115,12 +3101,12 @@ static int opt_input_file(OptionsContext *o, const char *opt, const char *filena
if (o->nb_frame_pix_fmts) if (o->nb_frame_pix_fmts)
av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0); av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
ic->video_codec_id = ic->video_codec_id = video_codec_name ?
find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0); find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
ic->audio_codec_id = ic->audio_codec_id = audio_codec_name ?
find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0); find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
ic->subtitle_codec_id= ic->subtitle_codec_id= subtitle_codec_name ?
find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0); find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
ic->flags |= AVFMT_FLAG_NONBLOCK; ic->flags |= AVFMT_FLAG_NONBLOCK;
if (loop_input) { if (loop_input) {
@ -3138,7 +3124,7 @@ static int opt_input_file(OptionsContext *o, const char *opt, const char *filena
/* apply forced codec ids */ /* apply forced codec ids */
for (i = 0; i < ic->nb_streams; i++) for (i = 0; i < ic->nb_streams; i++)
choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type); choose_decoder(o, ic, ic->streams[i]);
/* Set AVCodecContext options for avformat_find_stream_info */ /* Set AVCodecContext options for avformat_find_stream_info */
opts = setup_find_stream_info_opts(ic, codec_opts); opts = setup_find_stream_info_opts(ic, codec_opts);
@ -3253,6 +3239,23 @@ static int get_preset_file_2(const char *preset_name, const char *codec_name, AV
return ret; return ret;
} }
static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
if (!codec_name) {
ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
NULL, ost->st->codec->codec_type);
ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
} else if (!strcmp(codec_name, "copy"))
ost->stream_copy = 1;
else {
ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
ost->st->codec->codec_id = ost->enc->id;
}
}
static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type) static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
{ {
OutputStream *ost; OutputStream *ost;
@ -3280,7 +3283,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
ost->index = idx; ost->index = idx;
ost->st = st; ost->st = st;
st->codec->codec_type = type; st->codec->codec_type = type;
ost->enc = choose_codec(o, oc, st, type); choose_encoder(o, oc, ost);
if (ost->enc) { if (ost->enc) {
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st); ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
} }
@ -3381,7 +3384,7 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
st = ost->st; st = ost->st;
video_enc = st->codec; video_enc = st->codec;
if (!st->stream_copy) { if (!ost->stream_copy) {
const char *p = NULL; const char *p = NULL;
char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL; char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL; char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
@ -3502,7 +3505,7 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
audio_enc = st->codec; audio_enc = st->codec;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
if (!st->stream_copy) { if (!ost->stream_copy) {
char *sample_fmt = NULL; char *sample_fmt = NULL;
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st); MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
@ -3525,12 +3528,10 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc) static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
{ {
AVStream *st;
OutputStream *ost; OutputStream *ost;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA); ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
st = ost->st; if (!ost->stream_copy) {
if (!st->stream_copy) {
av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n"); av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
exit_program(1); exit_program(1);
} }
@ -3541,7 +3542,7 @@ static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc) static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
{ {
OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT); OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
ost->st->stream_copy = 1; ost->stream_copy = 1;
return ost; return ost;
} }
@ -3646,9 +3647,9 @@ static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const ch
memcpy(st->info, ic->streams[i]->info, sizeof(*st->info)); memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
avcodec_copy_context(st->codec, ic->streams[i]->codec); avcodec_copy_context(st->codec, ic->streams[i]->codec);
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy) if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
choose_sample_fmt(st, codec); choose_sample_fmt(st, codec);
else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy) else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
choose_pixel_fmt(st, codec); choose_pixel_fmt(st, codec);
} }
@ -3812,7 +3813,11 @@ static void opt_output_file(void *optctx, const char *filename)
} }
} }
oc->preload = (int)(o->mux_preload * AV_TIME_BASE); if (o->mux_preload) {
uint8_t buf[64];
snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE); oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
if (loop_output >= 0) { if (loop_output >= 0) {

18
libavcodec/aacdec.c
View File

@ -184,9 +184,11 @@ static av_cold int che_configure(AACContext *ac,
int type, int id, int *channels) int type, int id, int *channels)
{ {
if (che_pos[type][id]) { if (che_pos[type][id]) {
if (!ac->che[type][id] && !(ac->che[type][id] = av_mallocz(sizeof(ChannelElement)))) if (!ac->che[type][id]) {
if (!(ac->che[type][id] = av_mallocz(sizeof(ChannelElement))))
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
ff_aac_sbr_ctx_init(ac, &ac->che[type][id]->sbr); ff_aac_sbr_ctx_init(ac, &ac->che[type][id]->sbr);
}
if (type != TYPE_CCE) { if (type != TYPE_CCE) {
ac->output_data[(*channels)++] = ac->che[type][id]->ch[0].ret; ac->output_data[(*channels)++] = ac->che[type][id]->ch[0].ret;
if (type == TYPE_CPE || if (type == TYPE_CPE ||
@ -2521,8 +2523,9 @@ static int latm_decode_frame(AVCodecContext *avctx, void *out, int *out_size,
*out_size = 0; *out_size = 0;
return avpkt->size; return avpkt->size;
} else { } else {
aac_decode_close(avctx); if ((err = decode_audio_specific_config(
if ((err = aac_decode_init(avctx)) < 0) &latmctx->aac_ctx, avctx, &latmctx->aac_ctx.m4ac,
avctx->extradata, avctx->extradata_size, 8*avctx->extradata_size)) < 0)
return err; return err;
latmctx->initialized = 1; latmctx->initialized = 1;
} }
@ -2544,15 +2547,10 @@ static int latm_decode_frame(AVCodecContext *avctx, void *out, int *out_size,
av_cold static int latm_decode_init(AVCodecContext *avctx) av_cold static int latm_decode_init(AVCodecContext *avctx)
{ {
struct LATMContext *latmctx = avctx->priv_data; struct LATMContext *latmctx = avctx->priv_data;
int ret; int ret = aac_decode_init(avctx);
ret = aac_decode_init(avctx); if (avctx->extradata_size > 0)
if (avctx->extradata_size > 0) {
latmctx->initialized = !ret; latmctx->initialized = !ret;
} else {
latmctx->initialized = 0;
}
return ret; return ret;
} }

34
libavcodec/g722dec.c
View File

@ -66,9 +66,6 @@ static av_cold int g722_decode_init(AVCodecContext * avctx)
c->band[1].scale_factor = 2; c->band[1].scale_factor = 2;
c->prev_samples_pos = 22; c->prev_samples_pos = 22;
if (avctx->lowres)
avctx->sample_rate /= 2;
return 0; return 0;
} }
@ -88,15 +85,22 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data,
{ {
G722Context *c = avctx->priv_data; G722Context *c = avctx->priv_data;
int16_t *out_buf = data; int16_t *out_buf = data;
int j, out_len = 0; int j, out_len;
const int skip = 8 - avctx->bits_per_coded_sample; const int skip = 8 - avctx->bits_per_coded_sample;
const int16_t *quantizer_table = low_inv_quants[skip]; const int16_t *quantizer_table = low_inv_quants[skip];
GetBitContext gb; GetBitContext gb;
out_len = avpkt->size * 2 * av_get_bytes_per_sample(avctx->sample_fmt);
if (*data_size < out_len) {
av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n");
return AVERROR(EINVAL);
}
init_get_bits(&gb, avpkt->data, avpkt->size * 8); init_get_bits(&gb, avpkt->data, avpkt->size * 8);
for (j = 0; j < avpkt->size; j++) { for (j = 0; j < avpkt->size; j++) {
int ilow, ihigh, rlow; int ilow, ihigh, rlow, rhigh, dhigh;
int xout1, xout2;
ihigh = get_bits(&gb, 2); ihigh = get_bits(&gb, 2);
ilow = get_bits(&gb, 6 - skip); ilow = get_bits(&gb, 6 - skip);
@ -107,12 +111,8 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data,
ff_g722_update_low_predictor(&c->band[0], ilow >> (2 - skip)); ff_g722_update_low_predictor(&c->band[0], ilow >> (2 - skip));
if (!avctx->lowres) { dhigh = c->band[1].scale_factor * ff_g722_high_inv_quant[ihigh] >> 10;
const int dhigh = c->band[1].scale_factor * rhigh = av_clip(dhigh + c->band[1].s_predictor, -16384, 16383);
ff_g722_high_inv_quant[ihigh] >> 10;
const int rhigh = av_clip(dhigh + c->band[1].s_predictor,
-16384, 16383);
int xout1, xout2;
ff_g722_update_high_predictor(&c->band[1], dhigh, ihigh); ff_g722_update_high_predictor(&c->band[1], dhigh, ihigh);
@ -120,18 +120,15 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data,
c->prev_samples[c->prev_samples_pos++] = rlow - rhigh; c->prev_samples[c->prev_samples_pos++] = rlow - rhigh;
ff_g722_apply_qmf(c->prev_samples + c->prev_samples_pos - 24, ff_g722_apply_qmf(c->prev_samples + c->prev_samples_pos - 24,
&xout1, &xout2); &xout1, &xout2);
out_buf[out_len++] = av_clip_int16(xout1 >> 12); *out_buf++ = av_clip_int16(xout1 >> 12);
out_buf[out_len++] = av_clip_int16(xout2 >> 12); *out_buf++ = av_clip_int16(xout2 >> 12);
if (c->prev_samples_pos >= PREV_SAMPLES_BUF_SIZE) { if (c->prev_samples_pos >= PREV_SAMPLES_BUF_SIZE) {
memmove(c->prev_samples, memmove(c->prev_samples, c->prev_samples + c->prev_samples_pos - 22,
c->prev_samples + c->prev_samples_pos - 22,
22 * sizeof(c->prev_samples[0])); 22 * sizeof(c->prev_samples[0]));
c->prev_samples_pos = 22; c->prev_samples_pos = 22;
} }
} else
out_buf[out_len++] = rlow;
} }
*data_size = out_len << 1; *data_size = out_len;
return avpkt->size; return avpkt->size;
} }
@ -143,5 +140,4 @@ AVCodec ff_adpcm_g722_decoder = {
.init = g722_decode_init, .init = g722_decode_init,
.decode = g722_decode_frame, .decode = g722_decode_frame,
.long_name = NULL_IF_CONFIG_SMALL("G.722 ADPCM"), .long_name = NULL_IF_CONFIG_SMALL("G.722 ADPCM"),
.max_lowres = 1,
}; };

1
libavcodec/resample.c
View File

@ -265,7 +265,6 @@ ReSampleContext *av_audio_resample_init(int output_channels, int input_channels,
} }
} }
#define TAPS 16
s->resample_context = av_resample_init(output_rate, input_rate, s->resample_context = av_resample_init(output_rate, input_rate,
filter_length, log2_phase_count, filter_length, log2_phase_count,
linear, cutoff); linear, cutoff);

116
libavcodec/tta.c
View File

@ -33,8 +33,8 @@
#include "avcodec.h" #include "avcodec.h"
#include "get_bits.h" #include "get_bits.h"
#define FORMAT_INT 1 #define FORMAT_SIMPLE 1
#define FORMAT_FLOAT 3 #define FORMAT_ENCRYPTED 2
#define MAX_ORDER 16 #define MAX_ORDER 16
typedef struct TTAFilter { typedef struct TTAFilter {
@ -58,7 +58,7 @@ typedef struct TTAContext {
AVCodecContext *avctx; AVCodecContext *avctx;
GetBitContext gb; GetBitContext gb;
int flags, channels, bps, is_float, data_length; int format, channels, bps, data_length;
int frame_length, last_frame_length, total_frames; int frame_length, last_frame_length, total_frames;
int32_t *decode_buffer; int32_t *decode_buffer;
@ -182,7 +182,7 @@ static int tta_get_unary(GetBitContext *gb)
int ret = 0; int ret = 0;
// count ones // count ones
while(get_bits1(gb)) while (get_bits_left(gb) > 0 && get_bits1(gb))
ret++; ret++;
return ret; return ret;
} }
@ -213,58 +213,54 @@ static av_cold int tta_decode_init(AVCodecContext * avctx)
{ {
/* signature */ /* signature */
skip_bits(&s->gb, 32); skip_bits(&s->gb, 32);
// if (get_bits_long(&s->gb, 32) != av_bswap32(AV_RL32("TTA1"))) {
// av_log(s->avctx, AV_LOG_ERROR, "Missing magic\n");
// return -1;
// }
s->flags = get_bits(&s->gb, 16); s->format = get_bits(&s->gb, 16);
if (s->flags != 1 && s->flags != 3) if (s->format > 2) {
{ av_log(s->avctx, AV_LOG_ERROR, "Invalid format\n");
av_log(s->avctx, AV_LOG_ERROR, "Invalid flags\n");
return -1; return -1;
} }
s->is_float = (s->flags == FORMAT_FLOAT); if (s->format == FORMAT_ENCRYPTED) {
av_log_missing_feature(s->avctx, "Encrypted TTA", 0);
return AVERROR(EINVAL);
}
avctx->channels = s->channels = get_bits(&s->gb, 16); avctx->channels = s->channels = get_bits(&s->gb, 16);
if (s->channels > 1 && s->channels < 9) if (s->channels > 1 && s->channels < 9)
avctx->channel_layout = tta_channel_layouts[s->channels-2]; avctx->channel_layout = tta_channel_layouts[s->channels-2];
avctx->bits_per_coded_sample = get_bits(&s->gb, 16); avctx->bits_per_coded_sample = get_bits(&s->gb, 16);
s->bps = (avctx->bits_per_coded_sample + 7) / 8; s->bps = (avctx->bits_per_coded_sample + 7) / 8;
avctx->sample_rate = get_bits_long(&s->gb, 32); avctx->sample_rate = get_bits_long(&s->gb, 32);
if(avctx->sample_rate > 1000000){ //prevent FRAME_TIME * avctx->sample_rate from overflowing and sanity check
av_log(avctx, AV_LOG_ERROR, "sample_rate too large\n");
return -1;
}
s->data_length = get_bits_long(&s->gb, 32); s->data_length = get_bits_long(&s->gb, 32);
skip_bits(&s->gb, 32); // CRC32 of header skip_bits(&s->gb, 32); // CRC32 of header
if (s->is_float) switch(s->bps) {
{
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
av_log_ask_for_sample(s->avctx, "Unsupported sample format.\n");
return -1;
}
else switch(s->bps) {
case 1: avctx->sample_fmt = AV_SAMPLE_FMT_U8; break; case 1: avctx->sample_fmt = AV_SAMPLE_FMT_U8; break;
case 2: avctx->sample_fmt = AV_SAMPLE_FMT_S16; break; case 2:
case 3: avctx->bits_per_coded_sample = 24; avctx->sample_fmt = AV_SAMPLE_FMT_S16;
case 4: avctx->sample_fmt = AV_SAMPLE_FMT_S32; break; avctx->bits_per_raw_sample = 16;
break;
case 3:
avctx->sample_fmt = AV_SAMPLE_FMT_S32;
avctx->bits_per_raw_sample = 24;
break;
//case 4: avctx->sample_fmt = AV_SAMPLE_FMT_S32; break;
default: default:
av_log_ask_for_sample(s->avctx, av_log(avctx, AV_LOG_ERROR, "Invalid/unsupported sample format.\n");
"Invalid/unsupported sample format.\n"); return AVERROR_INVALIDDATA;
return -1;
} }
// FIXME: horribly broken, but directly from reference source // prevent overflow
#define FRAME_TIME 1.04489795918367346939 if (avctx->sample_rate > 0x7FFFFF) {
s->frame_length = (int)(FRAME_TIME * avctx->sample_rate); av_log(avctx, AV_LOG_ERROR, "sample_rate too large\n");
return AVERROR(EINVAL);
}
s->frame_length = 256 * avctx->sample_rate / 245;
s->last_frame_length = s->data_length % s->frame_length; s->last_frame_length = s->data_length % s->frame_length;
s->total_frames = s->data_length / s->frame_length + s->total_frames = s->data_length / s->frame_length +
(s->last_frame_length ? 1 : 0); (s->last_frame_length ? 1 : 0);
av_log(s->avctx, AV_LOG_DEBUG, "flags: %x chans: %d bps: %d rate: %d block: %d\n", av_log(s->avctx, AV_LOG_DEBUG, "format: %d chans: %d bps: %d rate: %d block: %d\n",
s->flags, avctx->channels, avctx->bits_per_coded_sample, avctx->sample_rate, s->format, avctx->channels, avctx->bits_per_coded_sample, avctx->sample_rate,
avctx->block_align); avctx->block_align);
av_log(s->avctx, AV_LOG_DEBUG, "data_length: %d frame_length: %d last: %d total: %d\n", av_log(s->avctx, AV_LOG_DEBUG, "data_length: %d frame_length: %d last: %d total: %d\n",
s->data_length, s->frame_length, s->last_frame_length, s->total_frames); s->data_length, s->frame_length, s->last_frame_length, s->total_frames);
@ -283,8 +279,10 @@ static av_cold int tta_decode_init(AVCodecContext * avctx)
if (!s->decode_buffer) if (!s->decode_buffer)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
s->ch_ctx = av_malloc(avctx->channels * sizeof(*s->ch_ctx)); s->ch_ctx = av_malloc(avctx->channels * sizeof(*s->ch_ctx));
if (!s->ch_ctx) if (!s->ch_ctx) {
av_freep(&s->decode_buffer);
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
}
} else { } else {
av_log(avctx, AV_LOG_ERROR, "Wrong extradata present\n"); av_log(avctx, AV_LOG_ERROR, "Wrong extradata present\n");
return -1; return -1;
@ -300,22 +298,27 @@ static int tta_decode_frame(AVCodecContext *avctx,
const uint8_t *buf = avpkt->data; const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size; int buf_size = avpkt->size;
TTAContext *s = avctx->priv_data; TTAContext *s = avctx->priv_data;
int i; int i, out_size;
init_get_bits(&s->gb, buf, buf_size*8);
{
int cur_chan = 0, framelen = s->frame_length; int cur_chan = 0, framelen = s->frame_length;
int32_t *p; int32_t *p;
if (*data_size < (framelen * s->channels * av_get_bits_per_sample_fmt(avctx->sample_fmt) / 8)) { init_get_bits(&s->gb, buf, buf_size*8);
av_log(avctx, AV_LOG_ERROR, "Output buffer size is too small.\n");
return -1;
}
// FIXME: seeking // FIXME: seeking
s->total_frames--; s->total_frames--;
if (!s->total_frames && s->last_frame_length) if (!s->total_frames && s->last_frame_length)
framelen = s->last_frame_length; framelen = s->last_frame_length;
out_size = framelen * s->channels * av_get_bytes_per_sample(avctx->sample_fmt);
if (*data_size < out_size) {
av_log(avctx, AV_LOG_ERROR, "Output buffer size is too small.\n");
return -1;
}
// decode directly to output buffer for 24-bit sample format
if (s->bps == 3)
s->decode_buffer = data;
// init per channel states // init per channel states
for (i = 0; i < s->channels; i++) { for (i = 0; i < s->channels; i++) {
s->ch_ctx[i].predictor = 0; s->ch_ctx[i].predictor = 0;
@ -385,18 +388,12 @@ static int tta_decode_frame(AVCodecContext *avctx,
} }
*predictor = *p; *predictor = *p;
/*if ((get_bits_count(&s->gb)+7)/8 > buf_size)
{
av_log(NULL, AV_LOG_INFO, "overread!!\n");
break;
}*/
// flip channels // flip channels
if (cur_chan < (s->channels-1)) if (cur_chan < (s->channels-1))
cur_chan++; cur_chan++;
else { else {
// decorrelate in case of stereo integer // decorrelate in case of stereo integer
if (!s->is_float && (s->channels > 1)) { if (s->channels > 1) {
int32_t *r = p - 1; int32_t *r = p - 1;
for (*p += *r / 2; r > p - s->channels; r--) for (*p += *r / 2; r > p - s->channels; r--)
*r = *(r + 1) - *r; *r = *(r + 1) - *r;
@ -415,32 +412,29 @@ static int tta_decode_frame(AVCodecContext *avctx,
uint8_t *samples = data; uint8_t *samples = data;
for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++) for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++)
*samples++ = *p + 0x80; *samples++ = *p + 0x80;
*data_size = samples - (uint8_t *)data;
break; break;
} }
case 2: { case 2: {
uint16_t *samples = data; uint16_t *samples = data;
for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++) { for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++)
// *samples++ = (unsigned char)*p;
// *samples++ = (unsigned char)(*p >> 8);
*samples++ = *p; *samples++ = *p;
}
*data_size = (uint8_t *)samples - (uint8_t *)data;
break; break;
} }
case 3: { case 3: {
// shift samples for 24-bit sample format
int32_t *samples = data; int32_t *samples = data;
for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++) for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++)
*samples++ = AV_RN32(p) << 8; *samples++ <<= 8;
*data_size = (uint8_t *)samples - (uint8_t *)data; // reset decode buffer
s->decode_buffer = NULL;
break; break;
} }
default: default:
av_log(s->avctx, AV_LOG_ERROR, "Error, only 16bit samples supported!\n"); av_log(s->avctx, AV_LOG_ERROR, "Error, only 16bit samples supported!\n");
} }
}
// return get_bits_count(&s->gb)+7)/8; *data_size = out_size;
return buf_size; return buf_size;
} }

8
libavformat/avformat.h
View File

@ -540,8 +540,10 @@ typedef struct AVStream {
*/ */
AVRational time_base; AVRational time_base;
int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */ int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */
#if FF_API_STREAM_COPY
/* ffmpeg.c private use */ /* ffmpeg.c private use */
int stream_copy; /**< If set, just copy stream. */ attribute_deprecated int stream_copy; /**< If set, just copy stream. */
#endif
enum AVDiscard discard; ///< Selects which packets can be discarded at will and do not need to be demuxed. enum AVDiscard discard; ///< Selects which packets can be discarded at will and do not need to be demuxed.
#if FF_API_AVSTREAM_QUALITY #if FF_API_AVSTREAM_QUALITY
@ -772,7 +774,9 @@ typedef struct AVFormatContext {
attribute_deprecated int mux_rate; attribute_deprecated int mux_rate;
#endif #endif
unsigned int packet_size; unsigned int packet_size;
int preload; #if FF_API_PRELOAD
attribute_deprecated int preload;
#endif
int max_delay; int max_delay;
#if FF_API_LOOP_OUTPUT #if FF_API_LOOP_OUTPUT

10
libavformat/mpegenc.c
View File

@ -77,6 +77,7 @@ typedef struct {
double vcd_padding_bitrate; //FIXME floats double vcd_padding_bitrate; //FIXME floats
int64_t vcd_padding_bytes_written; int64_t vcd_padding_bytes_written;
int preload;
} MpegMuxContext; } MpegMuxContext;
extern AVOutputFormat ff_mpeg1vcd_muxer; extern AVOutputFormat ff_mpeg1vcd_muxer;
@ -1158,9 +1159,15 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt)
StreamInfo *stream = st->priv_data; StreamInfo *stream = st->priv_data;
int64_t pts, dts; int64_t pts, dts;
PacketDesc *pkt_desc; PacketDesc *pkt_desc;
const int preload= av_rescale(ctx->preload, 90000, AV_TIME_BASE); int preload;
const int is_iframe = st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (pkt->flags & AV_PKT_FLAG_KEY); const int is_iframe = st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (pkt->flags & AV_PKT_FLAG_KEY);
#if FF_API_PRELOAD
if (ctx->preload)
s->preload = ctx->preload;
#endif
preload = av_rescale(s->preload, 90000, AV_TIME_BASE);
pts= pkt->pts; pts= pkt->pts;
dts= pkt->dts; dts= pkt->dts;
@ -1237,6 +1244,7 @@ static int mpeg_mux_end(AVFormatContext *ctx)
#define E AV_OPT_FLAG_ENCODING_PARAM #define E AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = { static const AVOption options[] = {
{ "muxrate", NULL, OFFSET(mux_rate), AV_OPT_TYPE_INT, {0}, 0, INT_MAX, E }, { "muxrate", NULL, OFFSET(mux_rate), AV_OPT_TYPE_INT, {0}, 0, INT_MAX, E },
{ "preload", "Initial demux-decode delay in microseconds.", OFFSET(preload), AV_OPT_TYPE_INT, {500000}, 0, INT_MAX, E},
{ NULL }, { NULL },
}; };

4
libavformat/tta.c
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@ -107,6 +107,10 @@ static int tta_read_header(AVFormatContext *s, AVFormatParameters *ap)
return -1; return -1;
} }
st->codec->extradata = av_mallocz(st->codec->extradata_size+FF_INPUT_BUFFER_PADDING_SIZE); st->codec->extradata = av_mallocz(st->codec->extradata_size+FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata) {
st->codec->extradata_size = 0;
return AVERROR(ENOMEM);
}
avio_seek(s->pb, start_offset, SEEK_SET); avio_seek(s->pb, start_offset, SEEK_SET);
avio_read(s->pb, st->codec->extradata, st->codec->extradata_size); avio_read(s->pb, st->codec->extradata, st->codec->extradata_size);

18
libavformat/utils.c
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@ -1932,29 +1932,24 @@ static void update_stream_timings(AVFormatContext *ic)
if (start_time1 < start_time_text) if (start_time1 < start_time_text)
start_time_text = start_time1; start_time_text = start_time1;
} else } else
if (start_time1 < start_time) start_time = FFMIN(start_time, start_time1);
start_time = start_time1;
if (st->duration != AV_NOPTS_VALUE) { if (st->duration != AV_NOPTS_VALUE) {
end_time1 = start_time1 end_time1 = start_time1
+ av_rescale_q(st->duration, st->time_base, AV_TIME_BASE_Q); + av_rescale_q(st->duration, st->time_base, AV_TIME_BASE_Q);
if (end_time1 > end_time) end_time = FFMAX(end_time, end_time1);
end_time = end_time1;
} }
} }
if (st->duration != AV_NOPTS_VALUE) { if (st->duration != AV_NOPTS_VALUE) {
duration1 = av_rescale_q(st->duration, st->time_base, AV_TIME_BASE_Q); duration1 = av_rescale_q(st->duration, st->time_base, AV_TIME_BASE_Q);
if (duration1 > duration) duration = FFMAX(duration, duration1);
duration = duration1;
} }
} }
if (start_time == INT64_MAX || (start_time > start_time_text && start_time - start_time_text < AV_TIME_BASE)) if (start_time == INT64_MAX || (start_time > start_time_text && start_time - start_time_text < AV_TIME_BASE))
start_time = start_time_text; start_time = start_time_text;
if (start_time != INT64_MAX) { if (start_time != INT64_MAX) {
ic->start_time = start_time; ic->start_time = start_time;
if (end_time != INT64_MIN) { if (end_time != INT64_MIN)
if (end_time - start_time > duration) duration = FFMAX(duration, end_time - start_time);
duration = end_time - start_time;
}
} }
if (duration != INT64_MIN && ic->duration == AV_NOPTS_VALUE) { if (duration != INT64_MIN && ic->duration == AV_NOPTS_VALUE) {
ic->duration = duration; ic->duration = duration;
@ -2108,8 +2103,7 @@ static void estimate_timings(AVFormatContext *ic, int64_t old_offset)
file_size = 0; file_size = 0;
} else { } else {
file_size = avio_size(ic->pb); file_size = avio_size(ic->pb);
if (file_size < 0) file_size = FFMAX(0, file_size);
file_size = 0;
} }
if ((!strcmp(ic->iformat->name, "mpeg") || if ((!strcmp(ic->iformat->name, "mpeg") ||

6
libavformat/version.h
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@ -101,5 +101,11 @@
#ifndef FF_API_NEW_STREAM #ifndef FF_API_NEW_STREAM
#define FF_API_NEW_STREAM (LIBAVFORMAT_VERSION_MAJOR < 54) #define FF_API_NEW_STREAM (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif #endif
#ifndef FF_API_PRELOAD
#define FF_API_PRELOAD (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_STREAM_COPY
#define FF_API_STREAM_COPY (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#endif /* AVFORMAT_VERSION_H */ #endif /* AVFORMAT_VERSION_H */