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[FFmpeg-devel,20/34] avcodec/xwdenc: Avoid copying packet data

Message ID HE1PR0301MB215460714E89925B115240708F439@HE1PR0301MB2154.eurprd03.prod.outlook.com
State Superseded
Headers show
Series [FFmpeg-devel,01/34] avcodec/adpcmenc: Avoid copying packet data
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Commit Message

Andreas Rheinhardt April 25, 2021, 10:34 p.m. UTC
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@outlook.com>
---
 libavcodec/xwdenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/libavcodec/xwdenc.c b/libavcodec/xwdenc.c
index 81cca6c963..04db2ceabc 100644
--- a/libavcodec/xwdenc.c
+++ b/libavcodec/xwdenc.c
@@ -147,7 +147,7 @@  static int xwd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     header_size = XWD_HEADER_SIZE + WINDOW_NAME_SIZE;
     out_size    = header_size + ncolors * XWD_CMAP_SIZE + avctx->height * lsize;
 
-    if ((ret = ff_alloc_packet2(avctx, pkt, out_size, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, out_size, out_size)) < 0)
         return ret;
     buf = pkt->data;