The reference (thp.txt) uses floats so wrap around would seem incorrect.
Fixes: signed integer overflow: 1073741824 + 1073741824 cannot be represented in type 'int'
Fixes: 20658/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_THP_fuzzer-5646302555930624
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
int byte = bytestream2_get_byteu(&gb);
int index = (byte >> 4) & 7;
unsigned int exp = byte & 0x0F;
- int factor1 = table[ch][index * 2];
- int factor2 = table[ch][index * 2 + 1];
+ int64_t factor1 = table[ch][index * 2];
+ int64_t factor2 = table[ch][index * 2 + 1];
/* Decode 14 samples. */
for (n = 0; n < 14 && (i * 14 + n < nb_samples); n++) {