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Visible width/height fields were added in Theora 3.2
Originally committed as revision 15500 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -2078,8 +2078,8 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
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av_log(avctx, AV_LOG_DEBUG, "Old (<alpha3) Theora bitstream, flipped image\n");
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}
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s->width = get_bits(gb, 16) << 4;
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s->height = get_bits(gb, 16) << 4;
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visible_width = s->width = get_bits(gb, 16) << 4;
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visible_height = s->height = get_bits(gb, 16) << 4;
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if(avcodec_check_dimensions(avctx, s->width, s->height)){
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av_log(avctx, AV_LOG_ERROR, "Invalid dimensions (%dx%d)\n", s->width, s->height);
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@ -2096,10 +2096,10 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
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skip_bits(gb, 32); /* total number of macroblocks in a frame */
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}
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if (s->theora >= 0x030200) {
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visible_width = get_bits_long(gb, 24);
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visible_height = get_bits_long(gb, 24);
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if (s->theora >= 0x030200) {
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skip_bits(gb, 8); /* offset x */
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skip_bits(gb, 8); /* offset y */
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}
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