Michael Niedermayer 77164b2344 avcodec/speexdec: Check channels > 2 ...

More than 2 channels seems unsupported, the code seems to just output empty extra channels

Fixes: Timeout
Fixes: 51569/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEX_fuzzer-5511509165342720

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2022-10-04 23:47:54 +02:00

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