[FFmpeg-devel] [PATCH 04/34] avcodec/bmpenc: Avoid copying packet data
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Mon Apr 26 01:34:18 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/bmpenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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
--
2.27.0
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