[FFmpeg-devel] [PATCH] lavfi/vf_scale_qsv: add extra_hw_frames support
Linjie Fu
linjie.fu at intel.com
Tue Jan 21 10:41:06 EET 2020
While using scale_qsv together with lookahead, extra_hw_frames is
required to allocate enough memory.
Fix #8379.
Signed-off-by: Linjie Fu <linjie.fu at intel.com>
---
libavfilter/vf_scale_qsv.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavfilter/vf_scale_qsv.c b/libavfilter/vf_scale_qsv.c
index 1cf5367..784414a 100644
--- a/libavfilter/vf_scale_qsv.c
+++ b/libavfilter/vf_scale_qsv.c
@@ -205,6 +205,8 @@ static int init_out_pool(AVFilterContext *ctx,
out_frames_ctx->height = FFALIGN(out_height, 16);
out_frames_ctx->sw_format = out_format;
out_frames_ctx->initial_pool_size = 4;
+ if (ctx->extra_hw_frames > 0)
+ out_frames_ctx->initial_pool_size += ctx->extra_hw_frames;
out_frames_hwctx->frame_type = in_frames_hwctx->frame_type;
--
2.7.4
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