ffmpeg/libavfilter/split.c

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/*
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* 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
*/
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/**
* @file
* audio and video splitter
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*/
#include <stdio.h>
#include "libavutil/attributes.h"
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "audio.h"
#include "internal.h"
#include "video.h"
typedef struct SplitContext {
const AVClass *class;
int nb_outputs;
} SplitContext;
static av_cold int split_init(AVFilterContext *ctx)
{
SplitContext *s = ctx->priv;
int i;
for (i = 0; i < s->nb_outputs; i++) {
char name[32];
AVFilterPad pad = { 0 };
snprintf(name, sizeof(name), "output%d", i);
pad.type = ctx->filter->inputs[0].type;
pad.name = av_strdup(name);
if (!pad.name)
return AVERROR(ENOMEM);
ff_insert_outpad(ctx, i, &pad);
}
return 0;
}
static av_cold void split_uninit(AVFilterContext *ctx)
{
int i;
for (i = 0; i < ctx->nb_outputs; i++)
av_freep(&ctx->output_pads[i].name);
}
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
{
AVFilterContext *ctx = inlink->dst;
int i, ret = AVERROR_EOF;
for (i = 0; i < ctx->nb_outputs; i++) {
Merge commit '7e350379f87e7f74420b4813170fe808e2313911' * commit '7e350379f87e7f74420b4813170fe808e2313911': lavfi: switch to AVFrame. Conflicts: doc/filters.texi libavfilter/af_ashowinfo.c libavfilter/audio.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersink.c libavfilter/buffersrc.c libavfilter/buffersrc.h libavfilter/f_select.c libavfilter/f_setpts.c libavfilter/fifo.c libavfilter/split.c libavfilter/src_movie.c libavfilter/version.h libavfilter/vf_aspect.c libavfilter/vf_bbox.c libavfilter/vf_blackframe.c libavfilter/vf_delogo.c libavfilter/vf_drawbox.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_fieldorder.c libavfilter/vf_fps.c libavfilter/vf_frei0r.c libavfilter/vf_gradfun.c libavfilter/vf_hqdn3d.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_showinfo.c libavfilter/vf_transpose.c libavfilter/vf_vflip.c libavfilter/vf_yadif.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavfilter/yadif.h Following are notes about the merge authorship and various technical details. Michael Niedermayer: * Main merge operation, notably avfilter.c and video.c * Switch to AVFrame: - afade - anullsrc - apad - aresample - blackframe - deshake - idet - il - mandelbrot - mptestsrc - noise - setfield - smartblur - tinterlace * various merge changes and fixes in: - ashowinfo - blackdetect - field - fps - select - testsrc - yadif Nicolas George: * Switch to AVFrame: - make rawdec work with refcounted frames. Adapted from commit 759001c534287a96dc96d1e274665feb7059145d by Anton Khirnov. Also, fix the use of || instead of | in a flags check. - make buffer sink and src, audio and video work all together Clément Bœsch: * Switch to AVFrame: - aevalsrc - alphaextract - blend - cellauto - colormatrix - concat - earwax - ebur128 - edgedetect - geq - histeq - histogram - hue - kerndeint - life - movie - mp (with the help of Michael) - overlay - pad - pan - pp - pp - removelogo - sendcmd - showspectrum - showwaves - silencedetect - stereo3d - subtitles - super2xsai - swapuv - thumbnail - tile Hendrik Leppkes: * Switch to AVFrame: - aconvert - amerge - asetnsamples - atempo - biquads Matthieu Bouron: * Switch to AVFrame - alphamerge - decimate - volumedetect Stefano Sabatini: * Switch to AVFrame: - astreamsync - flite - framestep Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Nicolas George <nicolas.george@normalesup.org> Signed-off-by: Clément Bœsch <ubitux@gmail.com> Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com> Signed-off-by: Matthieu Bouron <matthieu.bouron@gmail.com> Signed-off-by: Stefano Sabatini <stefasab@gmail.com> Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-10 00:30:30 +00:00
AVFrame *buf_out;
if (ctx->outputs[i]->closed)
continue;
Merge commit '7e350379f87e7f74420b4813170fe808e2313911' * commit '7e350379f87e7f74420b4813170fe808e2313911': lavfi: switch to AVFrame. Conflicts: doc/filters.texi libavfilter/af_ashowinfo.c libavfilter/audio.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersink.c libavfilter/buffersrc.c libavfilter/buffersrc.h libavfilter/f_select.c libavfilter/f_setpts.c libavfilter/fifo.c libavfilter/split.c libavfilter/src_movie.c libavfilter/version.h libavfilter/vf_aspect.c libavfilter/vf_bbox.c libavfilter/vf_blackframe.c libavfilter/vf_delogo.c libavfilter/vf_drawbox.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_fieldorder.c libavfilter/vf_fps.c libavfilter/vf_frei0r.c libavfilter/vf_gradfun.c libavfilter/vf_hqdn3d.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_showinfo.c libavfilter/vf_transpose.c libavfilter/vf_vflip.c libavfilter/vf_yadif.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavfilter/yadif.h Following are notes about the merge authorship and various technical details. Michael Niedermayer: * Main merge operation, notably avfilter.c and video.c * Switch to AVFrame: - afade - anullsrc - apad - aresample - blackframe - deshake - idet - il - mandelbrot - mptestsrc - noise - setfield - smartblur - tinterlace * various merge changes and fixes in: - ashowinfo - blackdetect - field - fps - select - testsrc - yadif Nicolas George: * Switch to AVFrame: - make rawdec work with refcounted frames. Adapted from commit 759001c534287a96dc96d1e274665feb7059145d by Anton Khirnov. Also, fix the use of || instead of | in a flags check. - make buffer sink and src, audio and video work all together Clément Bœsch: * Switch to AVFrame: - aevalsrc - alphaextract - blend - cellauto - colormatrix - concat - earwax - ebur128 - edgedetect - geq - histeq - histogram - hue - kerndeint - life - movie - mp (with the help of Michael) - overlay - pad - pan - pp - pp - removelogo - sendcmd - showspectrum - showwaves - silencedetect - stereo3d - subtitles - super2xsai - swapuv - thumbnail - tile Hendrik Leppkes: * Switch to AVFrame: - aconvert - amerge - asetnsamples - atempo - biquads Matthieu Bouron: * Switch to AVFrame - alphamerge - decimate - volumedetect Stefano Sabatini: * Switch to AVFrame: - astreamsync - flite - framestep Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Nicolas George <nicolas.george@normalesup.org> Signed-off-by: Clément Bœsch <ubitux@gmail.com> Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com> Signed-off-by: Matthieu Bouron <matthieu.bouron@gmail.com> Signed-off-by: Stefano Sabatini <stefasab@gmail.com> Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-10 00:30:30 +00:00
buf_out = av_frame_clone(frame);
if (!buf_out) {
ret = AVERROR(ENOMEM);
break;
}
ret = ff_filter_frame(ctx->outputs[i], buf_out);
if (ret < 0)
break;
}
av_frame_free(&frame);
return ret;
}
#define OFFSET(x) offsetof(SplitContext, x)
#define FLAGS AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM
static const AVOption options[] = {
{ "outputs", "set number of outputs", OFFSET(nb_outputs), AV_OPT_TYPE_INT, { .i64 = 2 }, 1, INT_MAX, FLAGS },
{ NULL }
};
#define split_options options
AVFILTER_DEFINE_CLASS(split);
#define asplit_options options
AVFILTER_DEFINE_CLASS(asplit);
static const AVFilterPad avfilter_vf_split_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
},
{ NULL }
};
AVFilter ff_vf_split = {
.name = "split",
.description = NULL_IF_CONFIG_SMALL("Pass on the input to N video outputs."),
.priv_size = sizeof(SplitContext),
.priv_class = &split_class,
.init = split_init,
.uninit = split_uninit,
.inputs = avfilter_vf_split_inputs,
.outputs = NULL,
.flags = AVFILTER_FLAG_DYNAMIC_OUTPUTS,
};
static const AVFilterPad avfilter_af_asplit_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.filter_frame = filter_frame,
},
{ NULL }
};
AVFilter ff_af_asplit = {
.name = "asplit",
.description = NULL_IF_CONFIG_SMALL("Pass on the audio input to N audio outputs."),
.priv_size = sizeof(SplitContext),
.priv_class = &asplit_class,
.init = split_init,
.uninit = split_uninit,
.inputs = avfilter_af_asplit_inputs,
.outputs = NULL,
.flags = AVFILTER_FLAG_DYNAMIC_OUTPUTS,
};