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4 Commits

Author SHA1 Message Date
Michael Niedermayer
0a8e5bab37 avcodec/snappy: Sanity check bytestream2_get_levarint() 
Fixes: left shift of 79 by 28 places cannot be represented in type 'int'
Fixes: 20202/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5719004081815552
Fixes: 20219/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5641738677125120
Fixes: 20389/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5680721517871104

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit be54da2117a6f58c14283f2511e71fda8d3bfe9d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-04-23 21:29:01 +02:00
Tom Butterworth
17ee24af7e avcodec/snappy: refactor so ff_snappy_uncompress uses an existing buffer 
Some uses of Snappy require uncompressing to positions within an existing buffer. Also adds a function to get the uncompressed length of Snappy data.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-16 20:41:07 +02:00
Michael Niedermayer
9e5b0f070b Merge commit '2ecfd451649c7a08cb633635df98e59f7c6e2140' 
* commit '2ecfd451649c7a08cb633635df98e59f7c6e2140':
  Implement Snappy decompression

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-06-22 20:47:21 +02:00
Luca Barbato
2ecfd45164 Implement Snappy decompression 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-06-22 15:23:08 +01:00