[FFmpeg-cvslog] avcodec/libwebpenc_animencoder: Allow user-supplied buffers

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sun Apr 25 01:43:26 2021 +0200| [cfff94b7f8ddbda08b64c50057d3dd5b78773eb4] | committer: Andreas Rheinhardt

avcodec/libwebpenc_animencoder: Allow user-supplied buffers

Here the packet size is known before allocating the packet,
so that supporting user-supplied buffers is trivial.

Reviewed-by: James Almer <jamrial at gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cfff94b7f8ddbda08b64c50057d3dd5b78773eb4
---

 libavcodec/libwebpenc_animencoder.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libavcodec/libwebpenc_animencoder.c b/libavcodec/libwebpenc_animencoder.c
index 5f0c6ba194..742aefb467 100644
--- a/libavcodec/libwebpenc_animencoder.c
+++ b/libavcodec/libwebpenc_animencoder.c
@@ -25,6 +25,7 @@
  */
 
 #include "config.h"
+#include "encode.h"
 #include "libwebpenc_common.h"
 
 #include <webp/mux.h>
@@ -67,7 +68,7 @@ static int libwebp_anim_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
             WebPData assembled_data = { 0 };
             ret = WebPAnimEncoderAssemble(s->enc, &assembled_data);
             if (ret) {
-                ret = ff_alloc_packet2(avctx, pkt, assembled_data.size, assembled_data.size);
+                ret = ff_get_encode_buffer(avctx, pkt, assembled_data.size, 0);
                 if (ret < 0)
                     return ret;
                 memcpy(pkt->data, assembled_data.bytes, assembled_data.size);
@@ -136,11 +137,11 @@ const AVCodec ff_libwebp_anim_encoder = {
     .long_name      = NULL_IF_CONFIG_SMALL("libwebp WebP image"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_WEBP,
+    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY,
     .priv_data_size = sizeof(LibWebPAnimContext),
     .init           = libwebp_anim_encode_init,
     .encode2        = libwebp_anim_encode_frame,
     .close          = libwebp_anim_encode_close,
-    .capabilities   = AV_CODEC_CAP_DELAY,
     .pix_fmts       = (const enum AVPixelFormat[]) {
         AV_PIX_FMT_RGB32,
         AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P,