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[FFmpeg-devel,06/34] avcodec/dpxenc: Avoid copying packet data

Message ID HE1PR0301MB215438F247C1E3BF4F09F3AD8F439@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State Superseded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/dpxenc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/libavcodec/dpxenc.c b/libavcodec/dpxenc.c
index a5960334d5..4f2953108a 100644
--- a/libavcodec/dpxenc.c
+++ b/libavcodec/dpxenc.c
@@ -196,7 +196,8 @@  static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         need_align = size - len;
         size *= avctx->height;
     }
-    if ((ret = ff_alloc_packet2(avctx, pkt, size + HEADER_SIZE, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, size + HEADER_SIZE,
+                                            size + HEADER_SIZE)) < 0)
         return ret;
     buf = pkt->data;