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avcodec/h264dec: Handle non-recovered frames when draining
When starting on a SEI recovery point close enough to the end of the stream that draining starts before the recovery point's frame is output, there can be non-recovered frames in the delayed picture buffer that would currently cause the decoder to fail to output a frame. This commit skips such frames and outputs the first recovered frame, if there exists one. Signed-off-by: arch1t3cht <arch1t3cht@gmail.com> Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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@ -994,11 +994,13 @@ static int send_next_delayed_frame(H264Context *h, AVFrame *dst_frame,
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int *got_frame, int buf_index)
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{
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int ret, i, out_idx;
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H264Picture *out = h->delayed_pic[0];
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H264Picture *out;
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h->cur_pic_ptr = NULL;
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h->first_field = 0;
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while (h->delayed_pic[0]) {
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out = h->delayed_pic[0];
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out_idx = 0;
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for (i = 1;
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h->delayed_pic[i] &&
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@ -1021,6 +1023,9 @@ static int send_next_delayed_frame(H264Context *h, AVFrame *dst_frame,
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ret = finalize_frame(h, dst_frame, out, got_frame);
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if (ret < 0)
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return ret;
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if (*got_frame)
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break;
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}
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}
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return buf_index;
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