Commit e33db35b authored by Martin Storsjö's avatar Martin Storsjö
Browse files

theora: Skip zero-sized headers

This fixes a regression since d9cf5f51 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 to d9cf5f51 worked just fine. After
d9cf5f51

, 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: default avatarMartin Storsjö <martin@martin.st>
parent b805c725
......@@ -2339,6 +2339,8 @@ static av_cold int theora_decode_init(AVCodecContext *avctx)
}
for(i=0;i<3;i++) {
if (header_len[i] <= 0)
continue;
init_get_bits(&gb, header_start[i], header_len[i] * 8);
ptype = get_bits(&gb, 8);
......
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