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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@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-04-25 01:43:26 +02:00
parent ad26efbf52
commit cfff94b7f8
1 changed files with 3 additions and 2 deletions
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5
libavcodec/libwebpenc_animencoder.c
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@ -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,