| Commit message (Collapse) | Author | Age |
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Anonymous structs cannot be forward declared and have no benefit.
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Instead of using an evil VLA, fall back to C version when edge
emulation is needed. MPEG4 GMC is a rarely used fringe feature
so the speed loss is an acceptable cost for safer code.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Martin Storsjö <martin@martin.st>
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Discontinuous transmission is an addition to VAD/VBR operation, that
allows to greatly reduce bitrate for silent chunks or stationary
noises.
Signed-off-by: Martin Storsjö <martin@martin.st>
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It has been superseded by lavr.
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The variable is copied to subsequent threads at the same time, so this
may cause wrong ref_count[] values to be copied to subsequent threads.
This bug was found using TSAN.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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A new hidden config variable is added for the codecs that depend on the
mpegaudio parts.
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This will happen when the extradata is not a valid Speex header.
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AVFrame.extended_data has to reset to the AVFrame.data of the current
thread context after copying the frame contents.
Fixes crashes with frame-threading after 2bc0de38584.
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When initialized as stereo, libspeex can decode either mono or stereo packets
and will output stereo.
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If there is no extradata and the sample rate given by the user is not valid,
decode as ultra-wideband.
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Speex detects non-speech periods and encodes them with just enough bits
to reproduce the background noise, aka ``comfort noise generation''.
Signed-off-by: Martin Storsjö <martin@martin.st>
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All our ARM asm preserves alignment so setting this attribute
in a common location is simpler. This removes numerous warnings
when linking with armcc.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
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If there is an error during frame parsing, but AVCodecContext.channels was
changed and AC3DecodeContext.out_channels was set previously, the two may not
match.
Fixes CVE-2012-2802
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
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When decode_nal_units() previously encountered a NAL_END_SEQUENCE,
and there are some junk bytes left in the input buffer, but no start codes,
buf_index gets stuck 3 bytes before the end of the buffer.
This can trigger an infinite loop in the caller code, eg. in
try_decode_trame(), as avcodec_decode_video() then keeps returning zeroes,
with 3 bytes of the input packet still available.
With this change, the remaining bytes are skipped so the whole packet gets
consumed.
CC:libav-stable@libav.org
Signed-off-by: Jindřich Makovička <makovick@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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It is got_output, not data_size.
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Avoids a forward declaration of decode_chunks().
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The decode function assumes that the video will have those dimensions.
Fixes CVE-2012-2801
CC:libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Fixes CVE-2012-2799
CC:libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Fixes CVE-2012-2798
CC:libav-stable@libav.org
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Fixes a part of CVE-2012-2795
CC:libav-stable@libav.org
Based on a patch by Michael Niedermayer <michaelni@gmx.at>
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
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Fixes a part of CVE-2012-2795
CC:libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Fixes a part of CVE-2012-2795
CC:libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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This prevents writing into a too small array if some parameters changed
without the tile being reallocated.
Based on a patch by Michael Niedermayer <michaelni@gmx.at>
Fixes CVE-2012-2800
CC:libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
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It's not used outside of ivi_common.c
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This prevents writing into a too small array if some parameters changed
without the tile being reallocated.
Fixes CVE-2012-2794
CC:libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Fixes CVE-2012-2776.
CC:libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
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