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avcodec/encode: add missing assert to avcodec_receive_packet() 

Encoders must return reference counted packets.

This was checked only for encoders using the AVCodec->encode2() API, while
blindly accepting whatever encoders using the AVCodec->receive_packet() API
were returning.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2019-11-09 20:08:17 -03:00
parent f01f9f1793
commit 73ee53f317
1 changed files with 7 additions and 1 deletions
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8
libavcodec/encode.c
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@ -428,9 +428,15 @@ int attribute_align_arg avcodec_receive_packet(AVCodecContext *avctx, AVPacket *
return AVERROR(EINVAL);
if (avctx->codec->receive_packet) {
int ret;
if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
return AVERROR_EOF;
return avctx->codec->receive_packet(avctx, avpkt);
ret = avctx->codec->receive_packet(avctx, avpkt);
if (!ret)
// Encoders must always return ref-counted buffers.
// Side-data only packets have no data and can be not ref-counted.
av_assert0(!avpkt->data || avpkt->buf);
return ret;
}
// Emulation via old API.