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32 Commits

Author SHA1 Message Date
Diego Biurrun
f3298f1299 Return proper error code after av_log_ask_for_sample() 2012-12-23 18:56:56 +01:00
Anton Khirnov
594d4d5df3 lavc: add a wrapper for AVCodecContext.get_buffer(). 
It will be useful in the upcoming transition to refcounted AVFrames.
 2012-12-04 21:41:59 +01:00
Diego Biurrun
8f4c414df6 Improve wording and spelling of av_log_missing_feature messages. 2012-10-23 10:28:40 +02:00
Justin Ruggles
2725ce7c7c wmalossless: output in planar sample format 2012-10-14 16:48:23 -04:00
Michael Niedermayer
d65d834731 wmalosslessdec: Reset put bit buffer when num_saved_bits is reset. 
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>
 2012-09-29 19:17:38 +02:00
Anton Khirnov
6a99310fce wmalosslessdec: Fix reading too many bits in decode_channel_residues() 
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
 2012-09-29 19:16:32 +02:00
Michael Niedermayer
f48fbf2eb5 wmalosslessdec: fix a get_bits(0) in decode_ac_filter 
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>
 2012-09-29 19:15:27 +02:00
Michael Niedermayer
607f57152c wmalosslessdec: make MCLMS arrays big enough for what is written into them. 
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>
 2012-09-29 19:14:25 +02:00
Anton Khirnov
065b3a1cfa wmalosslessdec: increase channel_coeffs/residues size 
Fixes CVE-2012-2792

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
 2012-09-29 10:29:53 +02:00
Anton Khirnov
4a969030e4 wmalosslessdec: increase WMALL_BLOCK_MAX_BITS to 14. 2012-09-29 10:29:52 +02:00
Anton Khirnov
36ef5369ee Replace all CODEC_ID_* with AV_CODEC_ID_* 2012-08-07 16:00:24 +02:00
Diego Biurrun
30b1961c66 Mark a number of variables only used in av_dlog() calls as av_unused. 
This fixes a number of unused-but-set gcc warnings.
 2012-05-06 18:01:31 +02:00
Jakub Stachowski
ddffe3de43 WMAL: Shift output samples by the specified number of padding zeroes. 
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
 2012-05-05 12:38:54 +02:00
Mashiat Sarker Shakkhar
363c3a44ff WMAL: Restore removed code in mclms_predict() 
Based on observations made by Jakub Stachowski <qbast@go2.pl>

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
 2012-05-05 12:38:37 +02:00
Kostya Shishkov
0e23b50821 wmall: fix reconstructing audio with uncoded channels 2012-05-02 18:46:11 +02:00
Mashiat Sarker Shakkhar
c8370e6e35 WMAL cosmetics: fix indentation 
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
 2012-05-02 18:45:29 +02:00
Jakub Stachowski
035a394eac WMAL: do not output last frame again if nothing was decoded in current packet 
Reviewed-by: Mashiat Sarker Shakkhar <mashiat.sarker@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
 2012-05-01 14:34:03 +02:00
Mashiat Sarker Shakkhar
f92f452378 WMAL: do not start decoding if frame does not end in current packet 
This fixes decoding of frames which span more than two packets. Tested with
recit24.wma.

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
 2012-05-01 14:33:31 +02:00
Mashiat Sarker Shakkhar
dac79c2737 wmal: vertical alignment cosmetics 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2012-04-14 16:02:25 +02:00
Mashiat Sarker Shakkhar
2e13f57993 wmal: Warn about missing bitstream splicing feature and ask for sample. 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2012-04-14 16:02:24 +02:00
Mashiat Sarker Shakkhar
9900dd2d9c wmal: Skip seekable_frame_in_packet. 
There is no point in storing the value in a variable, since it is not
used anywhere else in the decoder.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2012-04-14 16:02:22 +02:00
Mashiat Sarker Shakkhar
07933b44dd wmal: Drop unused variable num_possible_block_size. 
This is probably a leftover from WMA Pro.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2012-04-14 16:01:23 +02:00
Michael Niedermayer
680097cb6d WMAL: Do not try to read rawpcm coefficients if bits is invalid 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-04-13 23:13:03 +03:00
Mashiat Sarker Shakkhar
28e8c4d59a WMAL: Remove inaccurate and unnecessary doxy 
A call to decode_packet() does not always decode a complete WMA packet.
Moreover, this is not the correct place to document calls that are part
of the public API.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2012-03-29 01:47:03 +02:00
Ronald S. Bultje
d360dd902c wmall: fix seeking. 2012-03-28 07:14:21 -07:00
Ronald S. Bultje
3c9267673e wmalossless: error out if a subframe is not used by any channel. 
Prevents infinite loop because min_channel_len never increments.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2012-03-22 12:17:14 -07:00
Ronald S. Bultje
d462949974 wmalossless: reset sample pointer for each subframe. 
Prevents overwrites when some subframes only encode some channels.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2012-03-22 12:17:14 -07:00
Ronald S. Bultje
326f7a68bb wmalossless: error out on invalid values for order. 
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2012-03-22 12:17:14 -07:00
Kostya Shishkov
87818103a0 wmall: output packet only if we have decoded some samples 
Also set CODEC_CAP_DELAY to indicate that decoder may still have some
undecoded data left in internal buffer.
 2012-03-22 07:16:47 +01:00
Ronald S. Bultje
626964a4c4 wmall: fix build with -DDEBUG enabled. 2012-03-07 10:40:15 -08:00
Diego Biurrun
8ca6e523a6 wma: Refactor common code to fix standalone compilation of WMA lossless decoder. 2012-03-07 09:36:05 +01:00
Mashiat Sarker Shakkhar
9d25f1f619 Windows Media Audio Lossless decoder 
Decodes 16-bit WMA Lossless encoded files. 24-bit is not supported yet.

Bitstream parser written by Andreas Öman with contributions from
Baptiste Coudurier and Ulion.

Includes a number of bug-fixes from Benjamin Larsson, Michael Niedermayer and
Konstantin Shishkov, shine and polish by Diego Biurrun.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2012-03-02 19:10:29 +01:00