[FFmpeg-devel] [PATCH 08/14] avcodec: add AV_HWACCEL_FLAG_ALLOW_SOFTWARE

wbsecg1 at gmail.com wbsecg1 at gmail.com
Fri Dec 15 09:03:55 EET 2017


From: wang-bin <wbsecg1 at gmail.com>

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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