FFHWAccel: add buffer_ref argument to start_frame

This commit adds a reference to the buffer as an argument to
start_frame, and adapts all existing code.

This allows for asynchronous hardware accelerators to skip
copying packet data by referencing it.

1 files changed, 6 insertions, 2 deletions

diff --git a/libavcodec/videotoolbox.c b/libavcodec/videotoolbox.c
index a606c29ded..7c88555e0c 100644
--- a/libavcodec/videotoolbox.c
+++ b/libavcodec/videotoolbox.c
@@ -415,6 +415,7 @@ CFDataRef ff_videotoolbox_hvcc_extradata_create(AVCodecContext *avctx)
 }
 
 int ff_videotoolbox_h264_start_frame(AVCodecContext *avctx,
+                                     const AVBufferRef *buffer_ref,
                                      const uint8_t *buffer,
                                      uint32_t size)
 {
@@ -1084,6 +1085,7 @@ static int videotoolbox_h264_end_frame(AVCodecContext *avctx)
 }
 
 static int videotoolbox_hevc_start_frame(AVCodecContext *avctx,
+                                         const AVBufferRef *buffer_ref,
                                          const uint8_t *buffer,
                                          uint32_t size)
 {
@@ -1127,6 +1129,7 @@ static int videotoolbox_hevc_end_frame(AVCodecContext *avctx)
 }
 
 static int videotoolbox_mpeg_start_frame(AVCodecContext *avctx,
+                                         const AVBufferRef *buffer_ref,
                                          const uint8_t *buffer,
                                          uint32_t size)
 {
@@ -1151,8 +1154,9 @@ static int videotoolbox_mpeg_end_frame(AVCodecContext *avctx)
 }
 
 static int videotoolbox_prores_start_frame(AVCodecContext *avctx,
-                                         const uint8_t *buffer,
-                                         uint32_t size)
+                                           const AVBufferRef *buffer_ref,
+                                           const uint8_t *buffer,
+                                           uint32_t size)
 {
     return 0;
 }