RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-02-18 04:47:12 +00:00
Code Issues Projects Releases Wiki Activity

lavfi/buffersrc: push the frame deeper if requested.

Browse Source 
Reduce peak memory consumption with ffmpeg in certain cases.
This commit is contained in:
Nicolas George 2016-12-23 21:39:46 +01:00
parent 3b64e3ea45
commit 0ff5567a30
1 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
libavfilter/buffersrc.c
View File

@ -173,6 +173,20 @@ int attribute_align_arg av_buffersrc_add_frame_flags(AVFilterContext *ctx, AVFra
return ret;
}
static int push_frame(AVFilterGraph *graph)
{
int ret;
while (1) {
ret = ff_filter_graph_run_once(graph);
if (ret == AVERROR(EAGAIN))
break;
if (ret < 0)
return ret;
}
return 0;
}
static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,
AVFrame *frame, int flags)
{
@ -185,6 +199,11 @@ static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,
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)
return AVERROR(EINVAL);
@ -239,6 +258,12 @@ static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,
if ((ret = ctx->output_pads[0].request_frame(ctx->outputs[0])) < 0)
return ret;
if ((flags & AV_BUFFERSRC_FLAG_PUSH)) {
ret = push_frame(ctx->graph);
if (ret < 0)
return ret;
}
return 0;
}