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vf_hwupload/hwmap: Support setting a fixed pool size

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These filters do not directly know whether the API they are using will
support dynamic frame pools, so this is somewhat tricky.  If the user
sets extra_hw_frames, we assume that they are aware of the problem and
set a fixed size based on that.  If not, most cases use dynamic sizing
just like they did previously.  The hardware-reverse-mapping case for
hwmap previously had a large fixed size (64) here, primarily as a hack
for QSV use - this is removed and extra_hw_frames will need to be set
for QSV to work since it requires fixed-size pools (as the other cases
do, and which didn't work before).
This commit is contained in:
Mark Thompson 2017-08-05 22:10:46 +01:00
parent e4cdef0026
commit c6bc18bc12
2 changed files with 9 additions and 1 deletions
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7
libavfilter/vf_hwmap.c
View File

@ -138,7 +138,9 @@ static int hwmap_config_output(AVFilterLink *outlink)
frames->sw_format = hwfc->sw_format;
frames->width = hwfc->width;
frames->height = hwfc->height;
frames->initial_pool_size = 64;
if (avctx->extra_hw_frames >= 0)
frames->initial_pool_size = 2 + avctx->extra_hw_frames;
err = av_hwframe_ctx_init(ctx->hwframes_ref);
if (err < 0) {
@ -218,6 +220,9 @@ static int hwmap_config_output(AVFilterLink *outlink)
hwfc->width = inlink->w;
hwfc->height = inlink->h;
if (avctx->extra_hw_frames >= 0)
hwfc->initial_pool_size = 2 + avctx->extra_hw_frames;
err = av_hwframe_ctx_init(ctx->hwframes_ref);
if (err < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to create frame "

3
libavfilter/vf_hwupload.c
View File

@ -133,6 +133,9 @@ static int hwupload_config_output(AVFilterLink *outlink)
ctx->hwframes->width = inlink->w;
ctx->hwframes->height = inlink->h;
if (avctx->extra_hw_frames >= 0)
ctx->hwframes->initial_pool_size = 2 + avctx->extra_hw_frames;
err = av_hwframe_ctx_init(ctx->hwframes_ref);
if (err < 0)
goto fail;