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79 Commits

Author SHA1 Message Date
Diego Biurrun
7f9f771eac avcodec: Don't anonymously typedef structs 2015-02-14 10:13:49 -08:00
Vittorio Giovara
1ac5a29b2e imc: fix order of operations in coefficients read 
Reported-by: Ruoyu <liangry@ucweb.com>
 2014-10-15 14:48:07 +01:00
Diego Biurrun
c67b449beb dsputil: Split bswap*_buf() off into a separate context 2014-06-22 18:22:31 -07:00
Diego Biurrun
b2bed9325d cosmetics: Group .name and .long_name together in codec/format declarations 2013-10-03 23:32:01 +02:00
Kostya Shishkov
4eb4bb3a02 imc: support mode 1 2013-08-26 09:23:45 +02:00
Luca Barbato
bbf6a4aa20 imc: Catch a division by zero 
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2013-07-09 10:49:29 +02:00
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
9b28e58357 imc/iac: decode directly to the user-provided AVFrame 2013-02-12 12:21:22 -05:00
Diego Biurrun
218aefce44 dsputil: Move LOCAL_ALIGNED macros to libavutil 2013-02-08 23:13:37 +01:00
Ronald S. Bultje
5959bfaca3 floatdsp: move butterflies_float from dsputil to avfloatdsp. 
This makes wmadec/enc, twinvq and mpegaudiodec (i.e. mp2/mp3)
independent of dsputil.
 2013-01-22 11:55:42 -08:00
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
a903f8f087 Include libavutil/channel_layout.h instead of libavutil/audioconvert.h 
Also reorder some other #include when applicable.
 2012-11-11 13:35:12 -05:00
Justin Ruggles
1c7a016153 imc: set channels to 1 instead of validating it 2012-11-01 11:29:17 -04:00
Justin Ruggles
3fca0d7210 iac/imc: use planar sample format 2012-10-01 13:42:43 -04:00
Diego Biurrun
1218777ffd avcodec: Convert some commented-out printf/av_log instances to av_dlog 2012-10-01 10:24:28 +02:00
Diego Biurrun
6f6b0311a3 avcodec: Drop some silly commented-out av_log() invocations 2012-10-01 10:24:28 +02:00
Mans Rullgard
d752509b74 Use log2(x) instead of log(x) / log(2) 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-08-13 17:59:21 +01:00
Anton Khirnov
36ef5369ee Replace all CODEC_ID_* with AV_CODEC_ID_* 2012-08-07 16:00:24 +02:00
Mans Rullgard
b40ea0f41d imc: remove unused field IMCContext.one_div_log2 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-08-06 10:20:48 +01:00
Mans Rullgard
bc90230b98 imc: fix size of a memset() 
IMCContext was changed from an array to a pointer in 66b84e4,
but this memset() was not updated.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-08-06 10:20:42 +01:00
Mans Rullgard
2b6804328e imc: remove empty if() block 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-08-06 10:20:11 +01:00
Kostya Shishkov
cac4760bf4 iac: generate codec tables as they are supposed to be 
Unlike its predecessor, Indeo Audio codec generates tables depending on
sampling rate. Previously decoder used pre-generated tables for 22050 Hz
which obviously doesn't work with other frequencies.

Many thanks to Maxim Poliakovsky for providing all needed information
for this.
 2012-06-09 08:38:51 +02:00
Kostya Shishkov
c6061443f7 Indeo Audio decoder 2012-06-05 18:30:54 +02:00
Kostya Shishkov
34271cabac imc: make IMDCT support stereo output 
This will be useful for Indeo Audio decoder which is almost the same
but supports stereo.
 2012-06-05 18:28:44 +02:00
Kostya Shishkov
c45e2da617 imc: move channel-specific data into separate context 
This will be useful for Indeo Audio decoder which is almost the same
but supports stereo.
 2012-06-05 18:28:44 +02:00
Kostya Shishkov
d073f122ea imc: some cosmetics 2012-05-25 20:18:02 +02:00
Kostya Shishkov
f05b69a79f fix typo in comment 2012-05-20 14:15:14 +02:00
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
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
Mans Rullgard
a1e98f198e get_bits: remove A32 variant 
The A32 bitstream reader variant is only used on ARMv5 and for
Prores due to the larger bit cache this decoder requires.

In benchmarks on ARMv5 (Marvell Sheeva) with gcc 4.6, the only
statistically significant difference between ALT and A32 is
a 4% advantage for ALT in FLAC decoding.  There is thus no (longer)
any reason to keep the A32 reader from this point of view.

This patch adds an option to the ALT reader increasing the bit
cache to 32 bits as required by the Prores decoder.  Benchmarking
shows no significant change in speed on Intel i7.  Again, the
A32 reader fails to justify its existence.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-12-16 21:21:48 +00:00
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
a4998e448f imc: return error codes instead of 0 for error conditions. 
This fixes a bug where the whole buffer was returned as decoded audio due to
*data_size not being set to zero and the return value being >= 0.
 2011-11-02 17:02:22 -04:00
Justin Ruggles
08e5cd3810 imc: return meaningful error codes instead of -1 2011-11-02 17:02:22 -04:00
Justin Ruggles
0473f29b60 imc: do not set channel layout for stereo 
we only support decoding of mono imc
 2011-11-02 17:02:22 -04:00
Justin Ruggles
7b7f47e733 imc: validate channel count 
ask for a sample if not mono
 2011-11-02 17:02:22 -04:00
Justin Ruggles
95fee70d67 imc: check for ff_fft_init() failure 2011-11-02 17:02:22 -04:00
Justin Ruggles
86962b13f6 imc: check output buffer size before decoding 2011-11-02 17:02:22 -04:00
Justin Ruggles
e9362aaedf imc: use DSPContext.bswap16_buf() to byte-swap packet data 2011-11-02 17:02:22 -04:00
Vitor Sessak
9d35fa520e Add AVX FFT implementation. 
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
 2011-04-26 18:25:24 +02:00
Mans Rullgard
4538729afe Move sine windows to a separate file 
These windows do not really belong in fft/mdct files and were
easily confused with the similarly named tables used by rdft.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-20 13:25:19 +00:00
Mans Rullgard
26f548bb59 fft: remove inline wrappers for function pointers 
This removes the rather pointless wrappers (one not even inline)
for calling the fft_calc and related function pointers.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-19 19:49:18 +00:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-19 13:33:20 +00:00
Reinhard Tartler
737eb5976f Merge libavcore into libavutil 
It is pretty hopeless that other considerable projects will adopt
libavutil alone in other projects. Projects that need small footprint
are better off with more specialized libraries such as gnulib or rather
just copy the necessary parts that they need. With this in mind, nobody
is helped by having libavutil and libavcore split. In order to ease
maintenance inside and around FFmpeg and to reduce confusion where to
put common code, avcore's functionality is merged (back) to avutil.

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
 2011-02-15 16:18:21 +01:00
Anton Khirnov
c2fcd0a7a4 Replace remaining occurrences of deprecated CH_* with AV_CH_* 
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
 2011-02-06 08:26:12 -05:00
Diego Elio Pettenò
d36beb3f69 Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf. 
None of these symbols should be accessed directly, so declare them as
hidden.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-26 16:08:45 +00:00
Stefano Sabatini
5d6e4c160a Replace deprecated symbols SAMPLE_FMT_* with AV_SAMPLE_FMT_*, and enum 
SampleFormat with AVSampleFormat.

Originally committed as revision 25730 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-12 11:04:40 +00:00
Måns Rullgård
dd5f3238c1 imc: fix undefined float to int conversion 
Conversion of an out of range float to int is undefined.  Clipping to
the final range first avoids such problems.  This fixes decoding on
MIPS, which handles these conversions differently from many other CPUs.

Originally committed as revision 24838 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-08-19 16:51:26 +00:00
Vitor Sessak
66b84e4ab2 Make Intel Music Coder output SAMPLE_FMT_FLT 
Originally committed as revision 24267 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-16 16:50:56 +00:00
Måns Rullgård
8fc0162ac4 Add av_ prefix to bswap macros 
Originally committed as revision 24170 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-07-10 22:12:30 +00:00