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[FFmpeg-devel,04/34] avcodec/bmpenc: Avoid copying packet data

Message ID HE1PR0301MB2154D1D2F3257F34097085F98F439@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State Superseded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/bmpenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/libavcodec/bmpenc.c b/libavcodec/bmpenc.c
index e829d68475..867a53bd12 100644
--- a/libavcodec/bmpenc.c
+++ b/libavcodec/bmpenc.c
@@ -118,7 +118,7 @@  FF_ENABLE_DEPRECATION_WARNINGS
 #define SIZE_BITMAPINFOHEADER 40
     hsize = SIZE_BITMAPFILEHEADER + SIZE_BITMAPINFOHEADER + (pal_entries << 2);
     n_bytes = n_bytes_image + hsize;
-    if ((ret = ff_alloc_packet2(avctx, pkt, n_bytes, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, pkt, n_bytes, n_bytes)) < 0)
         return ret;
     buf = pkt->data;
     bytestream_put_byte(&buf, 'B');                   // BITMAPFILEHEADER.bfType