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Commit Graph

6 Commits

Author SHA1 Message Date
Michael Niedermayer
61f70416f8 avcodec/dca_lbr: Fix off by 1 error in freq check
Fixes out of array read
Fixes: 510/clusterfuzz-testcase-5737865715646464

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-02-02 15:48:50 +01:00
foo86
d1f558b362 avcodec/dca: require checked bitstream reader
Remove half-working attempt at supporting unchecked bitstream reader by
always copying input data into intermediate buffer with large amount of
padding at the end.

Convert LBR decoder to checked bitstream reader. Convert
dcadec_decode_frame() to parse input data directly if possible.

Signed-off-by: James Almer <jamrial@gmail.com>
2016-05-31 11:45:48 -03:00
foo86
64fe1eebdd avcodec/dca: use LUT for LBR frequency ranges
Values for unsupported frequencies > 48000 Hz are still included (parser
will make use of them).

Also convert sampling frequencies array to unsigned.

Signed-off-by: James Almer <jamrial@gmail.com>
2016-05-20 23:12:37 -03:00
Michael Niedermayer
bf29794022 avcodec/dca_lbr: Fix "warning: missing braces around initializer"
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-05-11 21:03:07 +02:00
Hendrik Leppkes
27506aceda avcodec/dca_lbr: explicitly initialize structs with zero
This fixes build on MSVC and conforms to the usual init style used.
2016-05-11 16:34:57 +02:00
foo86
6c44696b3d avcodec/dca: add DTS Express (LBR) decoder
Signed-off-by: James Almer <jamrial@gmail.com>
2016-05-10 20:33:28 -03:00