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, 4 insertions, 1 deletions

diff --git a/libavcodec/vaapi_mpeg4.c b/libavcodec/vaapi_mpeg4.c
index 2c9dfbe42f..12bc9bc86a 100644
--- a/libavcodec/vaapi_mpeg4.c
+++ b/libavcodec/vaapi_mpeg4.c
@@ -45,7 +45,10 @@ static int mpeg4_get_intra_dc_vlc_thr(Mpeg4DecContext *s)
     return 0;
 }
 
-static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
+static int vaapi_mpeg4_start_frame(AVCodecContext *avctx,
+                                   av_unused const AVBufferRef *buffer_ref,
+                                   av_unused const uint8_t *buffer,
+                                   av_unused uint32_t size)
 {
     Mpeg4DecContext *ctx = avctx->priv_data;
     MpegEncContext *s = &ctx->m;