When the packet size is known in advance like here, one can avoid
an intermediate buffer for the packet data by using
ff_get_encode_buffer() and also set AV_CODEC_CAP_DR1 at the same time.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/xfaceenc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavcodec/xfaceenc.c b/libavcodec/xfaceenc.c
index 21c7d8f31c..aa9e905965 100644
--- a/libavcodec/xfaceenc.c
+++ b/libavcodec/xfaceenc.c
@@ -26,6 +26,7 @@
#include "xface.h"
#include "avcodec.h"
+#include "encode.h"
#include "internal.h"
#include "libavutil/avassert.h"
@@ -195,7 +196,7 @@ static int xface_encode_frame(AVCodecContext *avctx,
AVPacket *pkt,
intbuf[i++] = r + XFACE_FIRST_PRINT;
}
- if ((ret = ff_alloc_packet2(avctx, pkt, i+2, 0)) < 0)
+ if ((ret = ff_get_encode_buffer(avctx, pkt, i + 2, 0)) < 0)
return ret;
/* revert the number, and close the buffer */
@@ -216,6 +217,7 @@ const AVCodec ff_xface_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("X-face image"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_XFACE,
+ .capabilities = AV_CODEC_CAP_DR1,
.priv_data_size = sizeof(XFaceContext),
.encode2 = xface_encode_frame,
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_MONOWHITE,
AV_PIX_FMT_NONE },
--
2.27.0
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