[FFmpeg-devel] [PATCH 18/34] avcodec/v408enc: Avoid copying packet data

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Mon Apr 26 01:34:32 EEST 2021


When the packet size is known in advance like here, one can avoid
an intermediate buffer for the packet data.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
 libavcodec/v408enc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/v408enc.c b/libavcodec/v408enc.c
index d2d84d9c40..e29186e275 100644
--- a/libavcodec/v408enc.c
+++ b/libavcodec/v408enc.c
@@ -39,7 +39,8 @@ static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     uint8_t *y, *u, *v, *a;
     int i, j, ret;
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 4, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 4,
+                                            avctx->width * avctx->height * 4)) < 0)
         return ret;
     dst = pkt->data;
 
-- 
2.27.0



More information about the ffmpeg-devel mailing list