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FFmpeg/libavfilter/avfilter.c

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/*
* filter layer
* Copyright (c) 2007 Bobby Bingham
*
* 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 "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/rational.h"
#include "libavutil/samplefmt.h"
#include "audio.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "audio.h"
char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
{
snprintf(buf, buf_size, "%s%s%s%s%s%s",
perms & AV_PERM_READ ? "r" : "",
perms & AV_PERM_WRITE ? "w" : "",
perms & AV_PERM_PRESERVE ? "p" : "",
perms & AV_PERM_REUSE ? "u" : "",
perms & AV_PERM_REUSE2 ? "U" : "",
perms & AV_PERM_NEG_LINESIZES ? "n" : "");
return buf;
}
void ff_tlog_ref(void *ctx, AVFilterBufferRef *ref, int end)
{
av_unused char buf[16];
ff_tlog(ctx,
"ref[%p buf:%p refcount:%d perms:%s data:%p linesize[%d, %d, %d, %d] pts:%"PRId64" pos:%"PRId64,
ref, ref->buf, ref->buf->refcount, ff_get_ref_perms_string(buf, sizeof(buf), ref->perms), ref->data[0],
ref->linesize[0], ref->linesize[1], ref->linesize[2], ref->linesize[3],
ref->pts, ref->pos);
if (ref->video) {
ff_tlog(ctx, " a:%d/%d s:%dx%d i:%c iskey:%d type:%c",
ref->video->sample_aspect_ratio.num, ref->video->sample_aspect_ratio.den,
ref->video->w, ref->video->h,
!ref->video->interlaced ? 'P' : /* Progressive */
ref->video->top_field_first ? 'T' : 'B', /* Top / Bottom */
ref->video->key_frame,
av_get_picture_type_char(ref->video->pict_type));
}
if (ref->audio) {
ff_tlog(ctx, " cl:%"PRId64"d n:%d r:%d",
ref->audio->channel_layout,
ref->audio->nb_samples,
ref->audio->sample_rate);
}
ff_tlog(ctx, "]%s", end ? "\n" : "");
}
unsigned avfilter_version(void) {
av_assert0(LIBAVFILTER_VERSION_MICRO >= 100);
return LIBAVFILTER_VERSION_INT;
}
const char *avfilter_configuration(void)
{
return FFMPEG_CONFIGURATION;
}
const char *avfilter_license(void)
{
#define LICENSE_PREFIX "libavfilter license: "
return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
Merge remote-tracking branch 'qatar/master' * qatar/master: (26 commits) fate: use diff -b in oneline comparison Add missing version bumps and APIchanges/Changelog entries. lavfi: move buffer management function to a separate file. lavfi: move formats-related functions from default.c to formats.c lavfi: move video-related functions to a separate file. fate: make smjpeg a demux test fate: separate sierra-vmd audio and video tests fate: separate smacker audio and video tests libmp3lame: set supported channel layouts. avconv: automatically insert asyncts when -async is used. avconv: add support for audio filters. lavfi: add asyncts filter. lavfi: add aformat filter lavfi: add an audio buffer sink. lavfi: add an audio buffer source. buffersrc: add av_buffersrc_write_frame(). buffersrc: fix invalid read in uninit if the fifo hasn't been allocated lavfi: rename vsrc_buffer.c to buffersrc.c avfiltergraph: reindent lavfi: add channel layout/sample rate negotiation. ... Conflicts: Changelog doc/APIchanges doc/filters.texi ffmpeg.c ffprobe.c libavcodec/libmp3lame.c libavfilter/Makefile libavfilter/af_aformat.c libavfilter/allfilters.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/avfiltergraph.c libavfilter/buffersrc.c libavfilter/defaults.c libavfilter/formats.c libavfilter/src_buffer.c libavfilter/version.h libavfilter/vf_yadif.c libavfilter/vsrc_buffer.c libavfilter/vsrc_buffer.h libavutil/avutil.h tests/fate/audio.mak tests/fate/demux.mak tests/fate/video.mak Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-05-16 03:27:31 +03:00
void ff_command_queue_pop(AVFilterContext *filter)
{
AVFilterCommand *c= filter->command_queue;
av_freep(&c->arg);
av_freep(&c->command);
filter->command_queue= c->next;
av_free(c);
}
void ff_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
AVFilterPad **pads, AVFilterLink ***links,
AVFilterPad *newpad)
{
unsigned i;
idx = FFMIN(idx, *count);
*pads = av_realloc(*pads, sizeof(AVFilterPad) * (*count + 1));
*links = av_realloc(*links, sizeof(AVFilterLink*) * (*count + 1));
memmove(*pads +idx+1, *pads +idx, sizeof(AVFilterPad) * (*count-idx));
memmove(*links+idx+1, *links+idx, sizeof(AVFilterLink*) * (*count-idx));
memcpy(*pads+idx, newpad, sizeof(AVFilterPad));
(*links)[idx] = NULL;
(*count)++;
for (i = idx+1; i < *count; i++)
if (*links[i])
(*(unsigned *)((uint8_t *) *links[i] + padidx_off))++;
}
int avfilter_link(AVFilterContext *src, unsigned srcpad,
AVFilterContext *dst, unsigned dstpad)
{
AVFilterLink *link;
if (src->nb_outputs <= srcpad || dst->nb_inputs <= dstpad ||
src->outputs[srcpad] || dst->inputs[dstpad])
return -1;
if (src->output_pads[srcpad].type != dst->input_pads[dstpad].type) {
av_log(src, AV_LOG_ERROR,
"Media type mismatch between the '%s' filter output pad %d (%s) and the '%s' filter input pad %d (%s)\n",
src->name, srcpad, (char *)av_x_if_null(av_get_media_type_string(src->output_pads[srcpad].type), "?"),
dst->name, dstpad, (char *)av_x_if_null(av_get_media_type_string(dst-> input_pads[dstpad].type), "?"));
return AVERROR(EINVAL);
}
src->outputs[srcpad] =
dst-> inputs[dstpad] = link = av_mallocz(sizeof(AVFilterLink));
link->src = src;
link->dst = dst;
link->srcpad = &src->output_pads[srcpad];
link->dstpad = &dst->input_pads[dstpad];
link->type = src->output_pads[srcpad].type;
Merge commit '716d413c13981da15323c7a3821860536eefdbbb' * commit '716d413c13981da15323c7a3821860536eefdbbb': Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat Conflicts: doc/examples/muxing.c ffmpeg.h ffmpeg_filter.c ffmpeg_opt.c ffplay.c ffprobe.c libavcodec/8bps.c libavcodec/aasc.c libavcodec/aura.c libavcodec/avcodec.h libavcodec/avs.c libavcodec/bfi.c libavcodec/bmp.c libavcodec/bmpenc.c libavcodec/c93.c libavcodec/cscd.c libavcodec/cyuv.c libavcodec/dpx.c libavcodec/dpxenc.c libavcodec/eatgv.c libavcodec/escape124.c libavcodec/ffv1.c libavcodec/flashsv.c libavcodec/fraps.c libavcodec/h264.c libavcodec/huffyuv.c libavcodec/iff.c libavcodec/imgconvert.c libavcodec/indeo3.c libavcodec/kmvc.c libavcodec/libopenjpegdec.c libavcodec/libopenjpegenc.c libavcodec/libx264.c libavcodec/ljpegenc.c libavcodec/mjpegdec.c libavcodec/mjpegenc.c libavcodec/motionpixels.c libavcodec/mpeg12.c libavcodec/mpeg12enc.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo_enc.c libavcodec/pamenc.c libavcodec/pcxenc.c libavcodec/pgssubdec.c libavcodec/pngdec.c libavcodec/pngenc.c libavcodec/pnm.c libavcodec/pnmdec.c libavcodec/pnmenc.c libavcodec/ptx.c libavcodec/qdrw.c libavcodec/qpeg.c libavcodec/qtrleenc.c libavcodec/raw.c libavcodec/rawdec.c libavcodec/rl2.c libavcodec/sgidec.c libavcodec/sgienc.c libavcodec/snowdec.c libavcodec/snowenc.c libavcodec/sunrast.c libavcodec/targa.c libavcodec/targaenc.c libavcodec/tiff.c libavcodec/tiffenc.c libavcodec/tmv.c libavcodec/truemotion2.c libavcodec/utils.c libavcodec/vb.c libavcodec/vp3.c libavcodec/wnv1.c libavcodec/xl.c libavcodec/xwddec.c libavcodec/xwdenc.c libavcodec/yop.c libavdevice/v4l2.c libavdevice/x11grab.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersrc.c libavfilter/drawutils.c libavfilter/formats.c libavfilter/src_movie.c libavfilter/vf_ass.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_format.c libavfilter/vf_hflip.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_transpose.c libavfilter/vf_yadif.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavformat/movenc.c libavformat/mxf.h libavformat/utils.c libavformat/yuv4mpeg.c libavutil/imgutils.c libavutil/pixdesc.c libswscale/input.c libswscale/output.c libswscale/swscale_internal.h libswscale/swscale_unscaled.c libswscale/utils.c libswscale/x86/swscale_template.c libswscale/x86/yuv2rgb.c libswscale/x86/yuv2rgb_template.c libswscale/yuv2rgb.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-10-08 21:54:00 +03:00
av_assert0(AV_PIX_FMT_NONE == -1 && AV_SAMPLE_FMT_NONE == -1);
link->format = -1;
return 0;
}
void avfilter_link_free(AVFilterLink **link)
{
if (!*link)
return;
if ((*link)->pool)
Merge remote-tracking branch 'qatar/master' * qatar/master: (26 commits) fate: use diff -b in oneline comparison Add missing version bumps and APIchanges/Changelog entries. lavfi: move buffer management function to a separate file. lavfi: move formats-related functions from default.c to formats.c lavfi: move video-related functions to a separate file. fate: make smjpeg a demux test fate: separate sierra-vmd audio and video tests fate: separate smacker audio and video tests libmp3lame: set supported channel layouts. avconv: automatically insert asyncts when -async is used. avconv: add support for audio filters. lavfi: add asyncts filter. lavfi: add aformat filter lavfi: add an audio buffer sink. lavfi: add an audio buffer source. buffersrc: add av_buffersrc_write_frame(). buffersrc: fix invalid read in uninit if the fifo hasn't been allocated lavfi: rename vsrc_buffer.c to buffersrc.c avfiltergraph: reindent lavfi: add channel layout/sample rate negotiation. ... Conflicts: Changelog doc/APIchanges doc/filters.texi ffmpeg.c ffprobe.c libavcodec/libmp3lame.c libavfilter/Makefile libavfilter/af_aformat.c libavfilter/allfilters.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/avfiltergraph.c libavfilter/buffersrc.c libavfilter/defaults.c libavfilter/formats.c libavfilter/src_buffer.c libavfilter/version.h libavfilter/vf_yadif.c libavfilter/vsrc_buffer.c libavfilter/vsrc_buffer.h libavutil/avutil.h tests/fate/audio.mak tests/fate/demux.mak tests/fate/video.mak Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-05-16 03:27:31 +03:00
ff_free_pool((*link)->pool);
avfilter_unref_bufferp(&(*link)->partial_buf);
av_freep(link);
}
void avfilter_link_set_closed(AVFilterLink *link, int closed)
{
link->closed = closed;
}
int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
unsigned filt_srcpad_idx, unsigned filt_dstpad_idx)
{
int ret;
unsigned dstpad_idx = link->dstpad - link->dst->input_pads;
2012-06-25 07:31:38 +03:00
av_log(link->dst, AV_LOG_VERBOSE, "auto-inserting filter '%s' "
"between the filter '%s' and the filter '%s'\n",
filt->name, link->src->name, link->dst->name);
link->dst->inputs[dstpad_idx] = NULL;
if ((ret = avfilter_link(filt, filt_dstpad_idx, link->dst, dstpad_idx)) < 0) {
/* failed to link output filter to new filter */
link->dst->inputs[dstpad_idx] = link;
return ret;
}
/* re-hookup the link to the new destination filter we inserted */
link->dst = filt;
link->dstpad = &filt->input_pads[filt_srcpad_idx];
filt->inputs[filt_srcpad_idx] = link;
/* if any information on supported media formats already exists on the
* link, we need to preserve that */
if (link->out_formats)
ff_formats_changeref(&link->out_formats,
&filt->outputs[filt_dstpad_idx]->out_formats);
Merge remote-tracking branch 'qatar/master' * qatar/master: vorbis: Validate that the floor 1 X values contain no duplicates. avprobe: Identify codec probe failures rather than calling them unsupported codecs. avformat: Probe codecs at score 0 on buffer exhaustion conditions. avformat: Factorize codec probing. Indeo Audio decoder imc: make IMDCT support stereo output imc: move channel-specific data into separate context lavfi: remove request/poll and drawing functions from public API on next bump lavfi: make avfilter_insert_pad and pals private on next bump. lavfi: make formats API private on next bump. avplay: use buffersrc instead of custom input filter. avtools: move buffer management code from avconv to cmdutils. avconv: don't use InputStream in the buffer management code. avconv: fix exiting when max frames is reached. mpc8: fix maximum bands handling aacdec: Turn PS off when switching to stereo and turn it to implicit when switching to mono. Conflicts: Changelog cmdutils.h ffmpeg.c ffplay.c ffprobe.c libavcodec/avcodec.h libavcodec/mpc8.c libavcodec/v210dec.h libavcodec/version.h libavcodec/vorbisdec.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersrc.c libavfilter/formats.c libavfilter/src_movie.c libavfilter/vf_aspect.c libavfilter/vf_blackframe.c libavfilter/vf_boxblur.c libavfilter/vf_crop.c libavfilter/vf_cropdetect.c libavfilter/vf_delogo.c libavfilter/vf_drawbox.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_fifo.c libavfilter/vf_format.c libavfilter/vf_frei0r.c libavfilter/vf_gradfun.c libavfilter/vf_hflip.c libavfilter/vf_hqdn3d.c libavfilter/vf_libopencv.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_select.c libavfilter/vf_showinfo.c libavfilter/vf_transpose.c libavfilter/vf_unsharp.c libavfilter/vf_yadif.c libavfilter/vsrc_color.c libavfilter/vsrc_testsrc.c libavformat/utils.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-06-05 23:43:44 +03:00
if (link->out_samplerates)
ff_formats_changeref(&link->out_samplerates,
&filt->outputs[filt_dstpad_idx]->out_samplerates);
if (link->out_channel_layouts)
ff_channel_layouts_changeref(&link->out_channel_layouts,
&filt->outputs[filt_dstpad_idx]->out_channel_layouts);
return 0;
}
int avfilter_config_links(AVFilterContext *filter)
{
int (*config_link)(AVFilterLink *);
unsigned i;
int ret;
for (i = 0; i < filter->nb_inputs; i ++) {
AVFilterLink *link = filter->inputs[i];
Merge remote-tracking branch 'qatar/master' * qatar/master: rtmp: Add a new option 'rtmp_buffer', for setting the client buffer time rtmp: Set the client buffer time to 3s instead of 0.26s rtmp: Handle server bandwidth packets rtmp: Display a verbose message when an unknown packet type is received lavfi/audio: use av_samples_copy() instead of custom code. configure: add all filters hardcoded into avconv to avconv_deps avfiltergraph: remove a redundant call to avfilter_get_by_name(). lavfi: allow building without swscale. build: Do not delete tests/vsynth2 directory, which is no longer created. lavfi: replace AVFilterContext.input/output_count with nb_inputs/outputs lavfi: make AVFilterPad opaque after two major bumps. lavfi: add avfilter_pad_get_type() and avfilter_pad_get_name(). lavfi: make avfilter_get_video_buffer() private on next bump. jack: update to new latency range API as the old one has been deprecated rtmp: Tokenize the AMF connection parameters manually instead of using strtok_r ppc: Rename H.264 optimization template file for consistency. lavfi: add channelsplit audio filter. golomb: check remaining bits during unary decoding in get_ur_golomb_jpegls() sws: fix planar RGB input conversions for 9/10/16 bpp. Conflicts: Changelog configure doc/APIchanges ffmpeg.c libavcodec/golomb.h libavcodec/v210dec.h libavfilter/Makefile libavfilter/allfilters.c libavfilter/asrc_anullsrc.c libavfilter/audio.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/avfiltergraph.c libavfilter/buffersrc.c libavfilter/formats.c libavfilter/version.h libavfilter/vf_frei0r.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/video.h libavfilter/vsrc_color.c libavformat/rtmpproto.c libswscale/input.c tests/Makefile Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-06-13 22:04:06 +03:00
AVFilterLink *inlink = link->src->nb_inputs ?
link->src->inputs[0] : NULL;
if (!link) continue;
link->current_pts = AV_NOPTS_VALUE;
switch (link->init_state) {
case AVLINK_INIT:
continue;
case AVLINK_STARTINIT:
av_log(filter, AV_LOG_INFO, "circular filter chain detected\n");
return 0;
case AVLINK_UNINIT:
link->init_state = AVLINK_STARTINIT;
if ((ret = avfilter_config_links(link->src)) < 0)
return ret;
if (!(config_link = link->srcpad->config_props)) {
if (link->src->nb_inputs != 1) {
av_log(link->src, AV_LOG_ERROR, "Source filters and filters "
"with more than one input "
"must set config_props() "
"callbacks on all outputs\n");
return AVERROR(EINVAL);
}
} else if ((ret = config_link(link)) < 0) {
av_log(link->src, AV_LOG_ERROR,
"Failed to configure output pad on %s\n",
link->src->name);
return ret;
}
switch (link->type) {
case AVMEDIA_TYPE_VIDEO:
if (!link->time_base.num && !link->time_base.den)
link->time_base = inlink ? inlink->time_base : AV_TIME_BASE_Q;
if (!link->sample_aspect_ratio.num && !link->sample_aspect_ratio.den)
link->sample_aspect_ratio = inlink ?
inlink->sample_aspect_ratio : (AVRational){1,1};
if (inlink && !link->frame_rate.num && !link->frame_rate.den)
link->frame_rate = inlink->frame_rate;
if (inlink) {
if (!link->w)
link->w = inlink->w;
if (!link->h)
link->h = inlink->h;
} else if (!link->w || !link->h) {
av_log(link->src, AV_LOG_ERROR,
"Video source filters must set their output link's "
"width and height\n");
return AVERROR(EINVAL);
}
break;
case AVMEDIA_TYPE_AUDIO:
if (inlink) {
if (!link->sample_rate)
link->sample_rate = inlink->sample_rate;
if (!link->time_base.num && !link->time_base.den)
link->time_base = inlink->time_base;
if (!link->channel_layout)
link->channel_layout = inlink->channel_layout;
} else if (!link->sample_rate) {
av_log(link->src, AV_LOG_ERROR,
"Audio source filters must set their output link's "
"sample_rate\n");
return AVERROR(EINVAL);
}
if (!link->time_base.num && !link->time_base.den)
link->time_base = (AVRational) {1, link->sample_rate};
}
if ((config_link = link->dstpad->config_props))
if ((ret = config_link(link)) < 0) {
av_log(link->src, AV_LOG_ERROR,
"Failed to configure input pad on %s\n",
link->dst->name);
return ret;
}
link->init_state = AVLINK_INIT;
}
}
return 0;
}
void ff_tlog_link(void *ctx, AVFilterLink *link, int end)
{
if (link->type == AVMEDIA_TYPE_VIDEO) {
ff_tlog(ctx,
"link[%p s:%dx%d fmt:%s %s->%s]%s",
link, link->w, link->h,
av_get_pix_fmt_name(link->format),
link->src ? link->src->filter->name : "",
link->dst ? link->dst->filter->name : "",
end ? "\n" : "");
} else {
char buf[128];
av_get_channel_layout_string(buf, sizeof(buf), -1, link->channel_layout);
ff_tlog(ctx,
"link[%p r:%d cl:%s fmt:%s %s->%s]%s",
link, (int)link->sample_rate, buf,
av_get_sample_fmt_name(link->format),
link->src ? link->src->filter->name : "",
link->dst ? link->dst->filter->name : "",
end ? "\n" : "");
}
}
int ff_request_frame(AVFilterLink *link)
{
int ret = -1;
FF_TPRINTF_START(NULL, request_frame); ff_tlog_link(NULL, link, 1);
if (link->closed)
return AVERROR_EOF;
if (link->srcpad->request_frame)
ret = link->srcpad->request_frame(link);
else if (link->src->inputs[0])
ret = ff_request_frame(link->src->inputs[0]);
if (ret == AVERROR_EOF && link->partial_buf) {
AVFilterBufferRef *pbuf = link->partial_buf;
link->partial_buf = NULL;
ff_filter_samples_framed(link, pbuf);
return 0;
}
if (ret == AVERROR_EOF)
link->closed = 1;
return ret;
}
int ff_poll_frame(AVFilterLink *link)
{
int i, min = INT_MAX;
if (link->srcpad->poll_frame)
return link->srcpad->poll_frame(link);
for (i = 0; i < link->src->nb_inputs; i++) {
int val;
if (!link->src->inputs[i])
return -1;
val = ff_poll_frame(link->src->inputs[i]);
min = FFMIN(min, val);
}
return min;
}
Merge remote-tracking branch 'qatar/master' * qatar/master: (25 commits) rv40dsp x86: MMX/MMX2/3DNow/SSE2/SSSE3 implementations of MC ape: Use unsigned integer maths arm: dsputil: fix overreads in put/avg_pixels functions h264: K&R formatting cosmetics for header files (part II/II) h264: K&R formatting cosmetics for header files (part I/II) rtmp: Implement check bandwidth notification. rtmp: Support 'rtmp_swfurl', an option which specifies the URL of the SWF player. rtmp: Support 'rtmp_flashver', an option which overrides the version of the Flash plugin. rtmp: Support 'rtmp_tcurl', an option which overrides the URL of the target stream. cmdutils: Add fallback case to switch in check_stream_specifier(). sctp: be consistent with socket option level configure: Add _XOPEN_SOURCE=600 to Solaris preprocessor flags. vcr1enc: drop pointless empty encode_init() wrapper function vcr1: drop pointless write-only AVCodecContext member from VCR1Context vcr1: group encoder code together to save #ifdefs vcr1: cosmetics: K&R prettyprinting, typos, parentheses, dead code, comments mov: make one comment slightly more specific lavr: replace the SSE version of ff_conv_fltp_to_flt_6ch() with SSE4 and AVX lavfi: move audio-related functions to a separate file. lavfi: remove some audio-related function from public API. ... Conflicts: cmdutils.c libavcodec/h264.h libavcodec/h264_mvpred.h libavcodec/vcr1.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/defaults.c libavfilter/internal.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-05-10 23:41:29 +03:00
void ff_update_link_current_pts(AVFilterLink *link, int64_t pts)
{
if (pts == AV_NOPTS_VALUE)
return;
link->current_pts = av_rescale_q(pts, link->time_base, AV_TIME_BASE_Q);
/* TODO use duration */
if (link->graph && link->age_index >= 0)
ff_avfilter_graph_update_heap(link->graph, link);
}
int avfilter_process_command(AVFilterContext *filter, const char *cmd, const char *arg, char *res, int res_len, int flags)
{
if(!strcmp(cmd, "ping")){
av_strlcatf(res, res_len, "pong from:%s %s\n", filter->filter->name, filter->name);
return 0;
}else if(filter->filter->process_command) {
return filter->filter->process_command(filter, cmd, arg, res, res_len, flags);
}
return AVERROR(ENOSYS);
}
#define MAX_REGISTERED_AVFILTERS_NB 128
static AVFilter *registered_avfilters[MAX_REGISTERED_AVFILTERS_NB + 1];
static int next_registered_avfilter_idx = 0;
AVFilter *avfilter_get_by_name(const char *name)
{
int i;
for (i = 0; registered_avfilters[i]; i++)
if (!strcmp(registered_avfilters[i]->name, name))
return registered_avfilters[i];
return NULL;
}
int avfilter_register(AVFilter *filter)
{
int i;
if (next_registered_avfilter_idx == MAX_REGISTERED_AVFILTERS_NB) {
av_log(NULL, AV_LOG_ERROR,
"Maximum number of registered filters %d reached, "
"impossible to register filter with name '%s'\n",
MAX_REGISTERED_AVFILTERS_NB, filter->name);
return AVERROR(ENOMEM);
}
for(i=0; filter->inputs && filter->inputs[i].name; i++) {
const AVFilterPad *input = &filter->inputs[i];
av_assert0( !input->filter_frame
|| (!input->start_frame && !input->end_frame && !input->draw_slice));
}
registered_avfilters[next_registered_avfilter_idx++] = filter;
return 0;
}
AVFilter **av_filter_next(AVFilter **filter)
{
return filter ? ++filter : &registered_avfilters[0];
}
void avfilter_uninit(void)
{
memset(registered_avfilters, 0, sizeof(registered_avfilters));
next_registered_avfilter_idx = 0;
}
static int pad_count(const AVFilterPad *pads)
{
int count;
if (!pads)
return 0;
for(count = 0; pads->name; count ++) pads ++;
return count;
}
static const char *default_filter_name(void *filter_ctx)
{
AVFilterContext *ctx = filter_ctx;
return ctx->name ? ctx->name : ctx->filter->name;
}
static void *filter_child_next(void *obj, void *prev)
{
AVFilterContext *ctx = obj;
if (!prev && ctx->filter && ctx->filter->priv_class)
return ctx->priv;
return NULL;
}
static const AVClass *filter_child_class_next(const AVClass *prev)
{
AVFilter **filter_ptr = NULL;
/* find the filter that corresponds to prev */
while (prev && *(filter_ptr = av_filter_next(filter_ptr)))
if ((*filter_ptr)->priv_class == prev)
break;
/* could not find filter corresponding to prev */
if (prev && !(*filter_ptr))
return NULL;
/* find next filter with specific options */
while (*(filter_ptr = av_filter_next(filter_ptr)))
if ((*filter_ptr)->priv_class)
return (*filter_ptr)->priv_class;
return NULL;
}
static const AVClass avfilter_class = {
.class_name = "AVFilter",
.item_name = default_filter_name,
.version = LIBAVUTIL_VERSION_INT,
.category = AV_CLASS_CATEGORY_FILTER,
.child_next = filter_child_next,
.child_class_next = filter_child_class_next,
};
const AVClass *avfilter_get_class(void)
{
return &avfilter_class;
}
int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name)
{
AVFilterContext *ret;
*filter_ctx = NULL;
if (!filter)
return AVERROR(EINVAL);
ret = av_mallocz(sizeof(AVFilterContext));
2011-05-04 04:25:40 +03:00
if (!ret)
return AVERROR(ENOMEM);
ret->av_class = &avfilter_class;
ret->filter = filter;
ret->name = inst_name ? av_strdup(inst_name) : NULL;
2011-05-04 04:25:40 +03:00
if (filter->priv_size) {
2011-04-27 18:29:09 +03:00
ret->priv = av_mallocz(filter->priv_size);
2011-05-04 04:25:40 +03:00
if (!ret->priv)
goto err;
}
ret->nb_inputs = pad_count(filter->inputs);
if (ret->nb_inputs ) {
ret->input_pads = av_malloc(sizeof(AVFilterPad) * ret->nb_inputs);
2011-05-04 04:25:40 +03:00
if (!ret->input_pads)
goto err;
memcpy(ret->input_pads, filter->inputs, sizeof(AVFilterPad) * ret->nb_inputs);
ret->inputs = av_mallocz(sizeof(AVFilterLink*) * ret->nb_inputs);
2011-05-04 04:25:40 +03:00
if (!ret->inputs)
goto err;
}
ret->nb_outputs = pad_count(filter->outputs);
if (ret->nb_outputs) {
ret->output_pads = av_malloc(sizeof(AVFilterPad) * ret->nb_outputs);
2011-05-04 04:25:40 +03:00
if (!ret->output_pads)
goto err;
memcpy(ret->output_pads, filter->outputs, sizeof(AVFilterPad) * ret->nb_outputs);
ret->outputs = av_mallocz(sizeof(AVFilterLink*) * ret->nb_outputs);
2011-05-04 04:25:40 +03:00
if (!ret->outputs)
goto err;
}
#if FF_API_FOO_COUNT
ret->output_count = ret->nb_outputs;
ret->input_count = ret->nb_inputs;
#endif
*filter_ctx = ret;
return 0;
2011-05-04 04:25:40 +03:00
err:
av_freep(&ret->inputs);
av_freep(&ret->input_pads);
ret->nb_inputs = 0;
2011-05-04 04:25:40 +03:00
av_freep(&ret->outputs);
av_freep(&ret->output_pads);
ret->nb_outputs = 0;
2011-05-04 04:25:40 +03:00
av_freep(&ret->priv);
av_free(ret);
return AVERROR(ENOMEM);
}
void avfilter_free(AVFilterContext *filter)
{
int i;
AVFilterLink *link;
if (!filter)
return;
if (filter->filter->uninit)
filter->filter->uninit(filter);
for (i = 0; i < filter->nb_inputs; i++) {
if ((link = filter->inputs[i])) {
if (link->src)
link->src->outputs[link->srcpad - link->src->output_pads] = NULL;
ff_formats_unref(&link->in_formats);
ff_formats_unref(&link->out_formats);
ff_formats_unref(&link->in_samplerates);
ff_formats_unref(&link->out_samplerates);
ff_channel_layouts_unref(&link->in_channel_layouts);
ff_channel_layouts_unref(&link->out_channel_layouts);
}
avfilter_link_free(&link);
}
for (i = 0; i < filter->nb_outputs; i++) {
if ((link = filter->outputs[i])) {
if (link->dst)
link->dst->inputs[link->dstpad - link->dst->input_pads] = NULL;
ff_formats_unref(&link->in_formats);
ff_formats_unref(&link->out_formats);
ff_formats_unref(&link->in_samplerates);
ff_formats_unref(&link->out_samplerates);
ff_channel_layouts_unref(&link->in_channel_layouts);
ff_channel_layouts_unref(&link->out_channel_layouts);
}
avfilter_link_free(&link);
}
av_freep(&filter->name);
av_freep(&filter->input_pads);
av_freep(&filter->output_pads);
av_freep(&filter->inputs);
av_freep(&filter->outputs);
av_freep(&filter->priv);
while(filter->command_queue){
Merge remote-tracking branch 'qatar/master' * qatar/master: (26 commits) fate: use diff -b in oneline comparison Add missing version bumps and APIchanges/Changelog entries. lavfi: move buffer management function to a separate file. lavfi: move formats-related functions from default.c to formats.c lavfi: move video-related functions to a separate file. fate: make smjpeg a demux test fate: separate sierra-vmd audio and video tests fate: separate smacker audio and video tests libmp3lame: set supported channel layouts. avconv: automatically insert asyncts when -async is used. avconv: add support for audio filters. lavfi: add asyncts filter. lavfi: add aformat filter lavfi: add an audio buffer sink. lavfi: add an audio buffer source. buffersrc: add av_buffersrc_write_frame(). buffersrc: fix invalid read in uninit if the fifo hasn't been allocated lavfi: rename vsrc_buffer.c to buffersrc.c avfiltergraph: reindent lavfi: add channel layout/sample rate negotiation. ... Conflicts: Changelog doc/APIchanges doc/filters.texi ffmpeg.c ffprobe.c libavcodec/libmp3lame.c libavfilter/Makefile libavfilter/af_aformat.c libavfilter/allfilters.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/avfiltergraph.c libavfilter/buffersrc.c libavfilter/defaults.c libavfilter/formats.c libavfilter/src_buffer.c libavfilter/version.h libavfilter/vf_yadif.c libavfilter/vsrc_buffer.c libavfilter/vsrc_buffer.h libavutil/avutil.h tests/fate/audio.mak tests/fate/demux.mak tests/fate/video.mak Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-05-16 03:27:31 +03:00
ff_command_queue_pop(filter);
}
av_free(filter);
}
int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque)
{
int ret=0;
if (filter->filter->init_opaque)
ret = filter->filter->init_opaque(filter, args, opaque);
else if (filter->filter->init)
ret = filter->filter->init(filter, args);
return ret;
}
const char *avfilter_pad_get_name(AVFilterPad *pads, int pad_idx)
{
return pads[pad_idx].name;
}
enum AVMediaType avfilter_pad_get_type(AVFilterPad *pads, int pad_idx)
{
return pads[pad_idx].type;
}
int ff_filter_frame(AVFilterLink *link, AVFilterBufferRef *frame)
{
int ret;
FF_TPRINTF_START(NULL, filter_frame); ff_tlog_link(NULL, link, 1); ff_tlog(NULL, " "); ff_tlog_ref(NULL, frame, 1);
switch (link->type) {
case AVMEDIA_TYPE_VIDEO:
if((ret = ff_start_frame(link, frame)) < 0)
return ret;
if((ret = ff_draw_slice(link, 0, frame->video->h, 1)) < 0)
return ret;
if((ret = ff_end_frame(link)) < 0)
return ret;
return ret;
case AVMEDIA_TYPE_AUDIO:
return ff_filter_samples(link, frame);
default: return AVERROR(EINVAL);
}
}