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avcodec/libwebpenc: Allow user-supplied buffers

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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 e099a29f5a
commit ad26efbf52
1 changed files with 3 additions and 1 deletions
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4
libavcodec/libwebpenc.c
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@ -24,6 +24,7 @@
* WebP encoder using libwebp (WebPEncode API)
*/
#include "encode.h"
#include "libwebpenc_common.h"
typedef LibWebPContextCommon LibWebPContext;
@ -57,7 +58,7 @@ static int libwebp_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
goto end;
}
ret = ff_alloc_packet2(avctx, pkt, mw.size, mw.size);
ret = ff_get_encode_buffer(avctx, pkt, mw.size, 0);
if (ret < 0)
goto end;
memcpy(pkt->data, mw.mem, mw.size);
@ -98,6 +99,7 @@ const AVCodec ff_libwebp_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("libwebp WebP image"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_WEBP,
.capabilities = AV_CODEC_CAP_DR1,
.priv_data_size = sizeof(LibWebPContext),
.init = libwebp_encode_init,
.encode2 = libwebp_encode_frame,