mirror of https://git.ffmpeg.org/ffmpeg.git
theora: Skip zero-sized headers
This fixes a regression sinced9cf5f51
with theora over RTP (possibly with other variants of theora as well). In theora over RTP, the second of the 3 headers turns out to be 0 bytes long, which prior tod9cf5f51
worked just fine. Afterd9cf5f51
, reading from the bitstream reader fails (since the reader wasn't initialized but returned an error if initialized with 0 bits). CC: libav-stable@libav.org Signed-off-by: Martin Storsjö <martin@martin.st>
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@ -2339,6 +2339,8 @@ static av_cold int theora_decode_init(AVCodecContext *avctx)
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}
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for(i=0;i<3;i++) {
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if (header_len[i] <= 0)
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continue;
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init_get_bits(&gb, header_start[i], header_len[i] * 8);
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ptype = get_bits(&gb, 8);
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