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Finding the best codebook involves comparing different paths, where each
path is a sequence of several decisions (namely which codebook to use).
Up until now, these sequence was encoded in a NUL-terminated string and
the actual decisions were encoded as ’\0'..'\3' (which encoded 0..3).
This commit modifies this to actually encode it via 0..3 by switching
away from a C-string to a simple array with an explicit length field.
Reviewed-by: Lynne <dev@lynne.ee>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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If an error happens during init after an allocation has succeeded,
the already allocated data leaked up until now. Fix this by setting the
FF_CODEC_CAP_INIT_CLEANUP flag.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: James Almer <jamrial@gmail.com>
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The encoder has no delayed packets at the end of the encoding
process, so signaling this capability is unnecessary.
This also fixes an assertion failure introduced in 827d6fe73d, as
return values higher than 0 are not expected.
Signed-off-by: James Almer <jamrial@gmail.com>
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When no codebook is used, huff_lsbs can be more than 24 and still decode to
original values once filters are applied.
Signed-off-by: Jai Luthra <me@jailuthra.in>
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Signed-off-by: Jai Luthra <me@jailuthra.in>
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Signed-off-by: Jai Luthra <me@jailuthra.in>
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* fix a possible memory leak (apply_filter returned before freeing)
* use apply_filters in process_major_frame
* revert back to checking bounds with 24 bitdepth, as huff offset takes
care of it
Signed-off-by: Jai Luthra <me@jailuthra.in>
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Fixes Coverity CID 1396239.
Signed-off-by: Jai Luthra <me@jailuthra.in>
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huff offset wasn't always within the bounds before, which lead to
corrupt encoding that didn't always trigger lossless check failures
Signed-off-by: Jai Luthra <me@jailuthra.in>
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we need two bits instead of one bit to represent -1 in bitstream
Signed-off-by: Jai Luthra <me@jailuthra.in>
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remove the redundant condition check for 'frame'
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
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* Multichannel support for TrueHD is experimental
There should be downmix substreams present for 2+ channel bitstreams,
but ffmpeg decoder doesn't need it. Will add support for this soon.
* There might be lossless check failures on LFE channels
* 32-bit sample support has been removed for now, will add it later
While testing, some samples gave lossless check failures when enforcing
s32. Probably this will also get solved with the LFE issues.
Signed-off-by: Jai Luthra <me@jailuthra.in>
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