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102 Commits

Author SHA1 Message Date
Maxim Poliakovski
ed796fba76 atrac3: Better name for IMDCT window initialization 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2013-10-10 14:29:54 +02:00
Maxim Poliakovski
be76415047 atrac3: Remove unused gain compensation tables 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2013-10-10 14:26:13 +02:00
Maxim Poliakovski
79cbac8cd4 atrac3: Generalize gain compensation code 
Move it to the ATRAC common code, to reuse in the upcoming ATRAC3+ decoder.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2013-10-03 18:20:01 +02:00
Diego Biurrun
5ce04c14dd Use correct Doxygen syntax 2013-10-03 17:53:51 +02:00
Diego Biurrun
be0b4c70ec atrac3: Replace a silly counter variable name with plain 'j' 2013-10-03 17:53:51 +02:00
Diego Biurrun
7df9e693a3 cosmetics: Fix ATRAC codec name spelling 2013-09-02 21:38:57 +02:00
Luca Barbato
50cf5a7fb7 atrac3: Error on impossible encoding/channel combinations 
Joint stereo encoded mono is impossible.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2013-07-09 10:49:29 +02:00
Luca Barbato
22e76ec635 atrac3: set the getbits context the right buffer_end 
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2013-07-09 10:49:29 +02:00
Luca Barbato
874c8a17ac atrac3: fix error handling 
decode_tonal_components returns a proper AVERROR.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2013-07-09 10:49:29 +02:00
Diego Biurrun
6fee1b90ce avcodec: Add av_cold attributes to init functions missing them 2013-05-04 21:09:45 +02:00
Xi Wang
eba1ff3130 atrac3: avoid oversized shifting in decode_bytes() 
When `off' is 0, `0x537F6103 << 32' in the following expression invokes
undefined behavior, the result of which is not necessarily 0.

    (0x537F6103 >> (off * 8)) | (0x537F6103 << (32 - (off * 8)))

Avoid oversized shifting.

CC: libav-stable@libav.org

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-03-15 12:51:10 +01:00
Diego Biurrun
6d97484d72 avcodec: av_log_ask_for_sample() ---> avpriv_request_sample() 2013-03-13 21:20:12 +01:00
Anton Khirnov
759001c534 lavc decoders: work with refcounted frames. 2013-03-08 07:38:30 +01:00
Justin Ruggles
9a75ace2b2 atrac3: decode directly to the user-provided AVFrame 2013-02-12 12:21:21 -05:00
Michael Karcher
0e3afacd4d atrac3: use correct loop variable in add_tonal_components() 
Signed-off-by: Michael Karcher <ffmpeg@mkarcher.dialup.fu-berlin.de>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>

CC:libav-stable@libav.org
 2013-01-25 16:16:24 -05:00
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
Justin Ruggles
44d854a518 atrac3: return an error if extradata_size is not a specific known size 
Also fixes 3 compiler warnings about using uninitialized variables.
 2012-10-23 14:35:27 -04:00
Justin Ruggles
a1f4cd371a atrac3: replace a calculation with FFALIGN() 
This allocates 4 bytes less than the previous code if avctx->block_align is
a multiple of 4, but the extra 4 bytes is not really needed.
 2012-10-22 10:10:08 -04:00
Justin Ruggles
808686fc1e atrac3: remove unused ATRAC3Context field, sample_rate 2012-10-22 10:10:08 -04:00
Justin Ruggles
89a6c32bc1 atrac3: use sizeof(variable) instead of sizeof(type) 2012-10-22 10:10:08 -04:00
Justin Ruggles
327747de15 atrac3: simplify MDCT window calculation 2012-10-22 10:10:08 -04:00
Justin Ruggles
5d1007f74d atrac3: initialize static tables in AVCodec.init_static_data() 2012-10-22 10:10:08 -04:00
Justin Ruggles
78edce3f19 atrac3: separate window initialization from IMDCT initialization 2012-10-22 10:10:08 -04:00
Justin Ruggles
c51311b907 atrac3: move the 'frame_factor' field from ATRAC3Context to where it is used 2012-10-22 10:10:08 -04:00
Justin Ruggles
7e76f27081 atrac3: remove unused ATRAC3Context field, bit_rate 2012-10-22 10:10:07 -04:00
Justin Ruggles
a2664c91fb atrac3: move the 'samples_per_frame' field from ATRAC3Context to where it is used 2012-10-22 10:10:07 -04:00
Justin Ruggles
7c1f93afe6 atrac3: remove unused ATRAC3Context field, samples_per_channel 2012-10-22 10:10:07 -04:00
Justin Ruggles
cdd0e0de81 atrac3: use AVCodecContext.block_align instead of keeping a private copy 2012-10-22 10:10:07 -04:00
Justin Ruggles
64ebbb8f89 atrac3: move the 'delay' field from ATRAC3Context to where it is used 2012-10-22 10:10:07 -04:00
Justin Ruggles
56a9d2b44e atrac3: move the 'version' field from ATRAC3Context to where it is used 2012-10-22 10:10:06 -04:00
Justin Ruggles
5ac673b553 atrac3: use AVCodecContext.channels instead of keeping a private copy 2012-10-22 10:10:06 -04:00
Justin Ruggles
aefdb735c3 atrac3: simplify some loop indexing 2012-10-22 10:10:06 -04:00
Justin Ruggles
e55d53905f atrac3: cosmetics: pretty-printing and renaming 
also does some minor refactoring.
 2012-10-22 10:10:06 -04:00
Justin Ruggles
9af4eaa8ea atrac3: use float planar sample format 2012-10-01 13:42:43 -04:00
Anton Khirnov
36ef5369ee Replace all CODEC_ID_* with AV_CODEC_ID_* 2012-08-07 16:00:24 +02:00
Justin Ruggles
d5a7229ba4 Add a float DSP framework to libavutil 
Move vector_fmul() from DSPContext to AVFloatDSPContext.
 2012-06-08 13:14:38 -04:00
Martin Storsjö
00c3b67b8a cosmetics: Align codec declarations 
Also break some long lines, remove codec function placeholder comments
and add spaces in sample/pixel format lists.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-04-06 22:37:38 +03:00
Michael Niedermayer
c509f4f747 atrac3: Fix crash in tonal component decoding. 
Add a check to avoid writing past the end of the channel_unit.components[]
array.

Bug Found by: cosminamironesei
Fixes CVE-2012-0853
CC: libav-stable@libav.org

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
 2012-02-16 15:18:45 -05:00
Martin Storsjö
9cf0841ef3 dsputil: Add ff_ prefix to the dsputil*_init* functions 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-02-15 22:06:34 +02:00
Martin Storsjö
99560a4caa libavcodec: Add ff_ prefix to some nonstatic symbols 
Prefix the functions atrac_generate_tables, atrac_iqmf, dct_quantize_c.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-02-15 22:06:29 +02:00
Diego Biurrun
d4b63054d9 cosmetics: Drop unnecessary parentheses around return values. 2011-12-30 22:18:07 +01:00
Diego Biurrun
ee41963f19 cosmetics: drop some completely pointless parentheses 2011-12-07 15:29:13 +01:00
Justin Ruggles
0eea212943 Add avcodec_decode_audio4(). 
Deprecate avcodec_decode_audio3().
Implement audio support in avcodec_default_get_buffer().
Implement the new audio decoder API in all audio decoders.
 2011-12-02 17:40:40 -05:00
Justin Ruggles
2073224697 atrac3: support float or int16 output using request_sample_fmt 2011-10-29 15:06:32 -04:00
Justin Ruggles
a047851329 atrac3: add CODEC_CAP_SUBFRAMES capability 
the decoder can handle multiple frames in a packet
 2011-10-29 15:06:32 -04:00
Justin Ruggles
8f98577d4d atrac3: return appropriate error codes instead of -1 2011-10-29 15:06:32 -04:00
Justin Ruggles
47b617021d atrac3: make sure all memory is freed on init failure 2011-10-29 15:06:32 -04:00
Justin Ruggles
c91613857d atrac3: add a couple macro constants 2011-10-29 15:06:31 -04:00
Justin Ruggles
1fead73d7b atrac3: return error if packet is too small 2011-10-29 15:06:31 -04:00
Justin Ruggles
7e4881a2d0 atrac3: check output buffer size before decoding 2011-10-29 15:06:31 -04:00