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lavfi/buffersrc: add av_buffersrc_close().

This commit is contained in:
Nicolas George 2017-04-03 15:01:45 +02:00
parent 36c111c40f
commit 5ba2aef6ec
4 changed files with 24 additions and 11 deletions
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3
doc/APIchanges
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@ -15,6 +15,9 @@ libavutil: 2015-08-28
API changes, most recent first:
2017-09-08 - xxxxxxx - lavfi 6.103.100 - buffersrc.h
Add av_buffersrc_close().
2017-09-04 - xxxxxxx - lavc 57.105.100 - avcodec.h
Add AV_HWACCEL_CODEC_CAP_EXPERIMENTAL, replacing the deprecated
HWACCEL_CODEC_CAP_EXPERIMENTAL flag.

22
libavfilter/buffersrc.c
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@ -196,16 +196,9 @@ static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,
s->nb_failed_requests = 0;
if (!frame) {
s->eof = 1;
ff_avfilter_link_set_in_status(ctx->outputs[0], AVERROR_EOF, AV_NOPTS_VALUE);
if ((flags & AV_BUFFERSRC_FLAG_PUSH)) {
ret = push_frame(ctx->graph);
if (ret < 0)
return ret;
}
return 0;
} else if (s->eof)
if (!frame)
return av_buffersrc_close(ctx, AV_NOPTS_VALUE, flags);
if (s->eof)
return AVERROR(EINVAL);
refcounted = !!frame->buf[0];
@ -267,6 +260,15 @@ static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,
return 0;
}
int av_buffersrc_close(AVFilterContext *ctx, int64_t pts, unsigned flags)
{
BufferSourceContext *s = ctx->priv;
s->eof = 1;
ff_avfilter_link_set_in_status(ctx->outputs[0], AVERROR_EOF, pts);
return (flags & AV_BUFFERSRC_FLAG_PUSH) ? push_frame(ctx->graph) : 0;
}
static av_cold int init_video(AVFilterContext *ctx)
{
BufferSourceContext *c = ctx->priv;

8
libavfilter/buffersrc.h
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@ -193,6 +193,14 @@ av_warn_unused_result
int av_buffersrc_add_frame_flags(AVFilterContext *buffer_src,
AVFrame *frame, int flags);
/**
* Close the buffer source after EOF.
*
* This is similar to passing NULL to av_buffersrc_add_frame_flags()
* except it takes the timestamp of the EOF, i.e. the timestamp of the end
* of the last frame.
*/
int av_buffersrc_close(AVFilterContext *ctx, int64_t pts, unsigned flags);
/**
* @}

2
libavfilter/version.h
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@ -30,7 +30,7 @@
#include "libavutil/version.h"
#define LIBAVFILTER_VERSION_MAJOR 6
#define LIBAVFILTER_VERSION_MINOR 102
#define LIBAVFILTER_VERSION_MINOR 103
#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \