From: wang-bin <[email protected]>
a hw decoder may have software or hybrid implementation, for example
videotoolbox hevc.
the performance may be better than ffmpeg sw decoder.
---
libavcodec/avcodec.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index ce089b7c4a..6d1f5ee532 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -3725,6 +3725,10 @@ typedef struct AVHWAccel {
*/
#define AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH (1 << 2)
+/**
+ * Hardware acceleration can use it's software implementation.
+ */
+#define AV_HWACCEL_FLAG_ALLOW_SOFTWARE (1 << 3)
/**
* @}
*/
--
2.15.1
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