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avcodec/libopenh264enc: 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 c59398970b
commit 0812a60fee
1 changed files with 4 additions and 4 deletions
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8
libavcodec/libopenh264enc.c
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@ -30,6 +30,7 @@
#include "libavutil/mathematics.h"
#include "avcodec.h"
#include "encode.h"
#include "internal.h"
#include "libopenh264.h"
@ -404,10 +405,9 @@ static int svc_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
}
av_log(avctx, AV_LOG_DEBUG, "%d slices\n", fbi.sLayerInfo[fbi.iLayerNum - 1].iNalCount);
if ((ret = ff_alloc_packet2(avctx, avpkt, size, size))) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
if ((ret = ff_get_encode_buffer(avctx, avpkt, size, 0)))
return ret;
}
size = 0;
for (layer = first_layer; layer < fbi.iLayerNum; layer++) {
memcpy(avpkt->data + size, fbi.sLayerInfo[layer].pBsBuf, layer_size[layer]);
@ -433,11 +433,11 @@ const AVCodec ff_libopenh264_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("OpenH264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_H264,
.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_OTHER_THREADS,
.priv_data_size = sizeof(SVCContext),
.init = svc_encode_init,
.encode2 = svc_encode_frame,
.close = svc_encode_close,
.capabilities = AV_CODEC_CAP_OTHER_THREADS,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP |
FF_CODEC_CAP_AUTO_THREADS,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,