FFmpeg

Commit Graph

Author	SHA1	Message	Date
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>	13 years ago
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	13 years ago
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>	13 years ago
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>	13 years ago
Anton Khirnov	065b3a1cfa	wmalosslessdec: increase channel_coeffs/residues size Fixes CVE-2012-2792 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind	13 years ago
Anton Khirnov	4a969030e4	wmalosslessdec: increase WMALL_BLOCK_MAX_BITS to 14.	13 years ago
Michael Niedermayer	b0545800bd	wmalosslessdec: remove unused variable Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Anton Khirnov	36ef5369ee	Replace all CODEC_ID_* with AV_CODEC_ID_*	13 years ago
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.	13 years ago
Jakub Stachowski	ddffe3de43	WMAL: Shift output samples by the specified number of padding zeroes. Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>	13 years ago
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>	13 years ago
Kostya Shishkov	0e23b50821	wmall: fix reconstructing audio with uncoded channels	13 years ago
Mashiat Sarker Shakkhar	c8370e6e35	WMAL cosmetics: fix indentation Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>	13 years ago
Jakub Stachowski	8501bed08c	Don't restrict reverse decorrelation to both coded channels. It is also used for mono data. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
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>	13 years ago
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>	13 years ago
Jakub Stachowski	93bf1aac6a	wmalossless: Ensure that last frame is not written 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>	13 years ago
Jakub Stachowski	56dcfe87ef	Clear residues only in not coded channel. This fixes overwriting coded residues with zeros if first channel is coded and second is not. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	64bd7f8e4d	wmalosslessdec: Reset put bit buffer when num_saved_bits is reset. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Mashiat Sarker Shakkhar	dac79c2737	wmal: vertical alignment cosmetics Signed-off-by: Diego Biurrun <diego@biurrun.de>	13 years ago
Mashiat Sarker Shakkhar	2e13f57993	wmal: Warn about missing bitstream splicing feature and ask for sample. Signed-off-by: Diego Biurrun <diego@biurrun.de>	13 years ago
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>	13 years ago
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>	13 years ago
Michael Niedermayer	b3a4351582	wmalosslessdec: Fix reading too many bits in decode_channel_residues() Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	2a7063de54	wmalosslessdec: fix a get_bits(0) in decode_ac_filter Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	a0abefb0af	wmalosslessdec: make mclms arrays big enough for whats written into them. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	d442c4462a	wmalosslessdec: Make arrays WMALL_BLOCK_MAX_SIZE big and check samples_per_frame. The samples_per_frame check is ported from wmaprodec.c Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	680097cb6d	WMAL: Do not try to read rawpcm coefficients if bits is invalid Signed-off-by: Martin Storsjö <martin@martin.st>	13 years ago
Jakub Stachowski	3b00fd5985	wmalosslessdec: Reset residues to 0 if they were not decoded from bitstream. If channel residues are have not been decoded from bitstream, they should be initialized to 0 instead of using values from previous subframe. This causes bursts of noise in silent parts of some files. This patch fixes bug #1055 Reviewed-by: Benjamin Larsson <benjamin@southpole.se> Reviewed-by: Mashiat Sarker Shakkhar <mashiat.sarker@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	59edf33f7b	wmalosslessdec: rawpcm_tile fixes to keep get_bits() values within defined range. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	d0212bb032	wmalosslessdec: channel residues can be 32 bit thus need _long bitreader. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
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>	13 years ago
Ronald S. Bultje	d360dd902c	wmall: fix seeking.	13 years ago
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	13 years ago
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	13 years ago
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	13 years ago
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.	13 years ago
Ronald S. Bultje	626964a4c4	wmall: fix build with -DDEBUG enabled.	13 years ago
Diego Biurrun	8ca6e523a6	wma: Refactor common code to fix standalone compilation of WMA lossless decoder.	13 years ago
Carl Eugen Hoyos	18794000c6	Remove AV_LOG_DEBUG from av_dlog() calls. AV_LOG_DEBUG is forced by the av_dlog definition.	13 years ago
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>	13 years ago
Michael Niedermayer	f4f386dd00	wmalossless: Fix infinite loop. Fixes more of Ticket1000 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	886b40b94a	wmalossless: Switch to new audio API Partially fixes Ticket1000 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Michael Niedermayer	b240866c5b	wmalossless: remove tab Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	13 years ago
Mashiat Sarker Shakkhar	a520a9946f	Perform inter-channel decorr. only if both channels are coded	13 years ago
Benjamin Larsson	7f215e3e72	Use fixed-length array in revert_mclms()	13 years ago
Mashiat Sarker Shakkhar	d1ea26f640	Do not try to read residue if ave_mean <= 1 Otherwise, we end up with with log(0) or log(1). av_ceil_log2 simply assumes the argument is non-zero and returns wrong result when it is. (Not that there is a proper way of returning an undefined value.)	13 years ago
Mashiat Sarker Shakkhar	59df25effd	Move some variable declarations to comply with C90	13 years ago
Mashiat Sarker Shakkhar	3ce50bf51d	Cosmetics: fix some whitespace errors	13 years ago
Mashiat Sarker Shakkhar	6345184fc9	Support 24-bit decoding	13 years ago

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151 Commits (f077e1fb4c912a66ab5d766fd256803821d92c67)