av_hwframe_map() is documented to work with a blank dst frame, but
hwcontext_drm currently fails if dst->format == AV_PIX_FMT_NONE.
Signed-off-by: Cameron Gutman <aicomman...@gmail.com>
---
libavutil/hwcontext_drm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavutil/hwcontext_drm.c b/libavutil/hwcontext_drm.c
index 7a9fdbd263..85a9fd4984 100644
--- a/libavutil/hwcontext_drm.c
+++ b/libavutil/hwcontext_drm.c
@@ -287,7 +287,9 @@ static int drm_map_from(AVHWFramesContext *hwfc, AVFrame
*dst,
{
int err;
- if (hwfc->sw_format != dst->format)
+ if (dst->format == AV_PIX_FMT_NONE)
+ dst->format = hwfc->sw_format;
+ else if (hwfc->sw_format != dst->format)
return AVERROR(ENOSYS);
err = drm_map_frame(hwfc, dst, src, flags);
--
2.25.1
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