Anton Khirnov
ea1136baaf
wmadec: require block_align to be set.
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Avoids an infinite loop in the calling programs with decoder not
consuming any input and not returning output.
CC:libav-stable@libav.org
2013-03-08 08:12:03 +01:00
Anton Khirnov
759001c534
lavc decoders: work with refcounted frames.
2013-03-08 07:38:30 +01:00
Justin Ruggles
c815ca3641
wma: decode directly to the user-provided AVFrame
2013-02-12 12:22:40 -05:00
Ronald S. Bultje
5959bfaca3
floatdsp: move butterflies_float from dsputil to avfloatdsp.
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This makes wmadec/enc, twinvq and mpegaudiodec (i.e. mp2/mp3)
independent of dsputil.
2013-01-22 11:55:42 -08:00
Ronald S. Bultje
42d3246948
floatdsp: move vector_fmul_reverse from dsputil to avfloatdsp.
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Now, nellymoserenc and aacenc no longer depends on dsputil. Independent
of this patch, wmaprodec also does not depend on dsputil, so I removed
it from there also.
2013-01-22 11:55:42 -08:00
Ronald S. Bultje
55aa03b9f8
floatdsp: move vector_fmul_add from dsputil to avfloatdsp.
2013-01-22 11:55:42 -08:00
Anton Khirnov
594d4d5df3
lavc: add a wrapper for AVCodecContext.get_buffer().
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It will be useful in the upcoming transition to refcounted AVFrames.
2012-12-04 21:41:59 +01:00
Justin Ruggles
2ed40608e9
wma: do not keep private copies of some AVCodecContext fields
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channels, sample_rate, bit_rate, and block_align can be used directly from
the AVCodecContext
2012-11-01 11:29:19 -04:00
Justin Ruggles
7ebfe5b44a
wmadec: use float planar sample format output
2012-10-14 16:48:23 -04:00
Diego Biurrun
d25fe4cc65
wmadec: Adjust debug printf argument length modifier
2012-10-01 12:46:41 +02:00
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
9c6cf7f2c9
avcodec: Drop silly and/or broken printf debug output
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
Anton Khirnov
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
2012-08-07 16:00:24 +02:00
Ronald S. Bultje
b4bccf3e4e
wma: fix off-by-one in array bounds check.
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2012-03-07 14:42:39 -08:00
Ronald S. Bultje
349b7977e4
wma: fix invalid buffer size assumptions causing random overreads.
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2012-03-02 10:31:28 -08:00
Ronald S. Bultje
9d3050d3e9
wma: don't return 0 on invalid packets.
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Return 0 means "please return the same data again", i.e. it causes an
infinite loop. Instead, return an error.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2012-02-18 09:13:38 -08:00
Alex Converse
48f1e5212c
wmadec: Verify bitstream size makes sense before calling init_get_bits.
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
2012-01-30 10:54:24 -08:00
Justin Ruggles
0eea212943
Add avcodec_decode_audio4().
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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
d0b1b1c5c7
wmadec: consolidate 2 output buffer size checks into 1 check
2011-10-28 12:02:23 -04:00
Diego Biurrun
8671488799
Use explicit struct initializers for AVCodec declarations.
2011-09-24 12:11:19 +02:00
Diego Biurrun
2e15305b70
Remove some disabled printf debug cruft.
2011-04-29 20:00:53 +02:00
Mans Rullgard
26f548bb59
fft: remove inline wrappers for function pointers
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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
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Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-19 13:33:20 +00:00
Justin Ruggles
c73d99e672
Separate format conversion DSP functions from DSPContext.
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This will be beneficial for use with the audio conversion API without
requiring it to depend on all of dsputil.
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-02-02 02:44:53 +00:00
Justin Ruggles
b5ec638343
cosmetics: indentation and spacing
2011-01-28 00:21:46 +00:00
Justin Ruggles
9d06d7bce3
Remove the add bias hack for the C version of DSPContext.float_to_int16_*().
2011-01-28 00:07:35 +00:00
Diego Elio Pettenò
d36beb3f69
Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf.
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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
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SampleFormat with AVSampleFormat.
Originally committed as revision 25730 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-11-12 11:04:40 +00:00
Eli Friedman
c7310b7b2b
Silence warning "new qualifiers in middle of multi-level
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non-const cast are unsafe".
Patch by Eli Friedman, eli d friedman a gmail
Originally committed as revision 24080 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-07-07 10:24:34 +00:00
Diego Biurrun
ba87f0801d
Remove explicit filename from Doxygen @file commands.
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Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.
Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-20 14:45:34 +00:00
Stefano Sabatini
72415b2adb
Define AVMediaType enum, and use it instead of enum CodecType, which
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is deprecated and will be dropped at the next major bump.
Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-30 23:30:55 +00:00
Carl Eugen Hoyos
2cbc1ec676
Fix indentation after r22414.
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Originally committed as revision 22415 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-09 23:37:45 +00:00
Zhou Zongyi
d00261a34b
SIMD optimization using float_to_int16_interleave.
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Patch by Zhou Zongyi, zhouzy A os D pku D edu D cn
Originally committed as revision 22414 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-09 23:35:57 +00:00
Stefan Gehrer
3a201bd04f
remove a Huffman table from WMA which also exists in AAC
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Originally committed as revision 21902 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-02-19 20:42:55 +00:00
Michael Niedermayer
f28f146473
Flush the bitreservour.
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Fixes issue1716
Originally committed as revision 21559 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-30 21:55:18 +00:00
Michael Niedermayer
445a9deea6
Print error messages on errors.
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Originally committed as revision 20757 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-12-07 00:35:38 +00:00
Michael Niedermayer
f78501b264
Fix apparent 10l typos introduced in r8627.
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These typos moved the exponent pointer too far ahead.
Fixes issue1055.
Originally committed as revision 20756 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-12-06 23:51:51 +00:00
Måns Rullgård
8b4a6d47b2
WMA: extend exponent range to 95
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Hopefully this will be enough. Fixes issue 1565 (again).
Originally committed as revision 20598 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-11-24 10:10:39 +00:00
Måns Rullgård
168f92ffaa
WMA: extend exponent table up to 75
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Fixes issue 1565.
Originally committed as revision 20593 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-11-23 22:22:16 +00:00
Måns Rullgård
0e71841b05
WMA: fix loop unrolling in decode_exp_vlc()
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The count can be a non-multiple of 4 after all.
Originally committed as revision 20081 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-29 12:48:24 +00:00
Måns Rullgård
ff00b94e9d
WMA: use type punning and unroll loops in decode_exp_vlc()
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GCC does stupid things if these assignments are done using floats
directly, so fill the runs using integer operations instead. Also
unroll the loops since the length is always a multiple of 4.
Originally committed as revision 20077 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-29 10:38:30 +00:00
Måns Rullgård
c0d1463da7
WMA: use a table instead of pow() in decode_exp_vlc
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Originally committed as revision 20076 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-29 10:38:27 +00:00
Måns Rullgård
952e872198
Drop unused args from vector_fmul_add_add, simpify code, and rename
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The src3 and step arguments to vector_fmul_add_add() are always zero
and one, respectively. This removes these arguments from the function,
simplifies the code accordingly, and renames the function to better
match the new operation.
Originally committed as revision 20061 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-27 16:51:54 +00:00
Måns Rullgård
0a07e9d012
WMA: remove some unused variables
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Originally committed as revision 20030 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-26 19:23:27 +00:00
Diego Biurrun
75bbed517f
Remove unused variables, fixes the warnings:
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libavcodec/wmadec.c:629: warning: unused variable `i'
libavcodec/wmadec.c:628: warning: unused variable `b'
libavcodec/wmadec.c:628: warning: unused variable `a'
Originally committed as revision 19994 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-23 12:29:56 +00:00
Måns Rullgård
6044538b37
WMA: use DSPContext.butterflies_float
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Originally committed as revision 19981 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-23 10:33:13 +00:00
Sascha Sommer
9970c61b4b
Introduce WMACoef typedef for decoded coefficients
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and change default type to float so that the run level
decoding functionality can be shared with wmapro
Originally committed as revision 19231 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-06-20 09:05:28 +00:00
Sascha Sommer
c0e9b2e84f
Move run level decode functionality to ff_wma_run_level_decode
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so that it can be reused for wmapro
Originally committed as revision 19171 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-06-12 16:00:26 +00:00
Siarhei Siamashka
7d485f165f
Support for getting (i)MDCT output multiplied by a constant scaling factor.
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Scaling (i)MDCT output has no runtime overhead and can be used to improve
performance of audio codecs. All the changes are only needed in
'ff_mdct_init' function and slow down initialization a bit.
Originally committed as revision 18855 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-05-16 14:17:08 +00:00