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Code Issues Releases Activity

lavc/mjpegdec: simplify smvjpeg_receive_frame()

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Unify the code for returning the first and every subsequent frame in a
packet.
This commit is contained in:
Anton Khirnov
2023-04-14 18:01:20 +02:00
parent 6118be25e1
commit 7ec4881f3e
1 changed files with 9 additions and 17 deletions
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26
libavcodec/mjpegdec.c
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@@ -3023,26 +3023,20 @@ static int smvjpeg_receive_frame(AVCodecContext *avctx, AVFrame *frame)
{
MJpegDecodeContext *s = avctx->priv_data;
AVPacket *const pkt = avctx->internal->in_pkt;
int64_t pkt_dts;
int got_frame = 0;
int ret;
if (s->smv_next_frame > 0) {
av_assert0(s->smv_frame->buf[0]);
ret = av_frame_ref(frame, s->smv_frame);
if (ret < 0)
return ret;
smv_process_frame(avctx, frame);
return 0;
}
if (s->smv_next_frame > 0)
goto return_frame;
ret = ff_decode_get_packet(avctx, pkt);
if (ret < 0)
return ret;
ret = ff_mjpeg_decode_frame(avctx, frame, &got_frame, pkt);
pkt_dts = pkt->dts;
av_frame_unref(s->smv_frame);
ret = ff_mjpeg_decode_frame(avctx, s->smv_frame, &got_frame, pkt);
s->smv_frame->pkt_dts = pkt->dts;
av_packet_unref(pkt);
if (ret < 0)
return ret;
@@ -3050,11 +3044,9 @@ static int smvjpeg_receive_frame(AVCodecContext *avctx, AVFrame *frame)
if (!got_frame)
return AVERROR(EAGAIN);
frame->pkt_dts = pkt_dts;
av_assert0(frame->buf[0]);
av_frame_unref(s->smv_frame);
ret = av_frame_ref(s->smv_frame, frame);
return_frame:
av_assert0(s->smv_frame->buf[0]);
ret = av_frame_ref(frame, s->smv_frame);
if (ret < 0)
return ret;