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Code Issues Releases Activity

lavc/mjpegdec: Do not skip reading quantization tables.

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They may contain 0xFFs, confusing the start code finding algorithm.

Fixes ticket #5819.
This commit is contained in:
Carl Eugen Hoyos
2016-09-02 17:10:57 +02:00
parent 39f75645c8
commit cef5bc0e6e
1 changed files with 2 additions and 3 deletions
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5
libavcodec/mjpegdec.c
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@@ -2119,6 +2119,8 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
ret = mjpeg_decode_com(s);
if (ret < 0)
return ret;
} else if (start_code == DQT) {
ff_mjpeg_decode_dqt(s);
}
ret = -1;
@@ -2151,9 +2153,6 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
s->restart_count = 0;
/* nothing to do on SOI */
break;
case DQT:
ff_mjpeg_decode_dqt(s);
break;
case DHT:
if ((ret = ff_mjpeg_decode_dht(s)) < 0) {
av_log(avctx, AV_LOG_ERROR, "huffman table decode error\n");