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submodule
ffmpeg
Commits
0ff5567a
Commit
0ff5567a
authored
Dec 23, 2016
by
Nicolas George
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Plain Diff
lavfi/buffersrc: push the frame deeper if requested.
Reduce peak memory consumption with ffmpeg in certain cases.
parent
3b64e3ea
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1 changed file
with
25 additions
and
0 deletions
+25
-0
buffersrc.c
libavfilter/buffersrc.c
+25
-0
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libavfilter/buffersrc.c
View file @
0ff5567a
...
...
@@ -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
;
}
...
...
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