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eamad: allocate a dummy reference frame when the real one is missing 

CC:libav-stable@libav.org
This commit is contained in:
Anton Khirnov 2013-02-13 21:04:42 +01:00
parent 0651e892e1
commit 7b89cd20d8
1 changed files with 13 additions and 0 deletions
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13
libavcodec/eamad.c
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@ -261,6 +261,19 @@ static int decode_frame(AVCodecContext *avctx,
return ret;
}
if (inter && !s->last_frame.data[0]) {
av_log(avctx, AV_LOG_WARNING, "Missing reference frame.\n");
ret = ff_get_buffer(avctx, &s->last_frame, AV_GET_BUFFER_FLAG_REF);
if (ret < 0)
return ret;
memset(s->last_frame.data[0], 0, s->last_frame.height *
s->last_frame.linesize[0]);
memset(s->last_frame.data[1], 0x80, s->last_frame.height / 2 *
s->last_frame.linesize[1]);
memset(s->last_frame.data[2], 0x80, s->last_frame.height / 2 *
s->last_frame.linesize[2]);
}
av_fast_padded_malloc(&s->bitstream_buf, &s->bitstream_buf_size,
buf_end - buf);
if (!s->bitstream_buf)