Diego Biurrun
a92be9b856
Replace memset(0) by zero initializations.
...
Also remove one pointless zero initialization in rangecoder.c.
2012-03-28 09:38:33 +02:00
Justin Ruggles
3798205a77
mov: set channel layout for AC-3 streams based on the 'dac3' atom info
...
fixes Bug 225
2012-02-22 20:07:02 -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
Michael Niedermayer
e6d9fa66f1
ac3dec: Move center and surround mix level tables to the parser.
...
That way all mix levels as exported by avpriv_ac3_parse_header()
will have the same meaning.
Previously the 3-bit center mix level for E-AC-3 was used to index in a
4-entry table, leading to out-of-array reads.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
Signed-off-by: Alex Converse <alex.converse@gmail.com>
2012-02-09 16:36:02 -08:00
Anton Khirnov
f326501a65
lavc: remove disabled FF_API_DRC_SCALE cruft.
2012-01-27 10:38:34 +01:00
Diego Biurrun
3dc99a18d4
cosmetics: drop some pointless parentheses
2012-01-07 22:13:07 +01:00
Chris Berov
541d083a40
ac3dec: cosmetics: pretty-printing
...
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
2011-12-04 16:15:48 -05:00
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
Dustin Brody
9abc98737f
lavc: replace references to deprecated AVCodecContext.error_recognition to use AVCodecContext.err_recognition
...
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2011-10-22 14:49:55 +02:00
Anton Khirnov
6f89efeaa7
lavc: use avpriv_ prefix for ff_ac3_parse_header.
...
It's used in lavf.
2011-10-20 21:06:58 +02:00
Anton Khirnov
145f741e11
AVOptions: rename FF_OPT_TYPE_* => AV_OPT_TYPE_*
2011-10-12 16:51:16 +02:00
Mans Rullgard
633ddb8519
ac3dec: use get_sbits() instead of manually sign-extending
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-10-09 23:21:31 +01:00
Anton Khirnov
a4ea00d021
lavc/lavf: use unique private classes.
...
This is needed by the new AVOptions API.
2011-10-05 07:52:30 +02:00
Anton Khirnov
feedc0754b
ac3dec: actually use drc_scale private option
2011-09-21 13:51:53 +02:00
Reimar Döffinger
459fe331e9
ac3dec: avoid pointless alloc and indirection for input_buffer
...
Since we now always allocate it, it can simply be made part of the context
instead.
2011-09-06 12:43:16 -04:00
Anton Khirnov
9b83919f44
ac3dec: add a drc_scale private option
...
Deprecate corresponding AVCodecContext option.
This is the first test of decoder private options.
2011-07-10 17:07:12 +02:00
Justin Ruggles
e6c52cee54
Replace usages of av_get_bits_per_sample_fmt() with av_get_bytes_per_sample().
...
av_get_bits_per_sample_fmt() is deprecated.
2011-06-20 18:56:06 -04:00
Justin Ruggles
9aa8193a23
Add floating-point sample format support to the ac3, eac3, dca, aac, and vorbis
...
decoders.
Based on patches by clsid2 in ffdshow-tryout.
2011-05-18 17:27:06 -04:00
Justin Ruggles
4c64c8e95a
ac3dec: fix processing of delta bit allocation information.
...
The number of dba segments is the coded value + 1.
The coupling dba offset starts at the first coupling band, not at zero.
2011-04-17 12:33:41 -04:00
Mans Rullgard
6d9f52b2cd
ac3: move ff_ac3_bit_alloc_calc_bap to ac3dsp
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-29 19:31:45 +01:00
Justin Ruggles
991f3de1bb
ac3enc: Add codec-specific options for writing AC-3 metadata.
2011-03-27 11:30:09 -04:00
Justin Ruggles
be18738801
Get audio_service_type for AC-3 based on bitstream mode in the AC-3 parser
...
and decoder, and vice-versa for the AC-3 encoder.
2011-03-25 16:59:00 -04:00
Reimar Döffinger
4c886d613d
Detect byte-swapped AC-3 and support decoding it directly.
...
This allows the AC-3 decoder to be used directly with RealMedia
decoders that unlike the libavformat one do not byte-swap automatically.
Since the new code is only used in case we would fail directly otherwise
there should be no risk for regressions.
2011-03-22 15:36:47 -04:00
Justin Ruggles
40728b5169
cosmetics: indentation
2011-03-22 15:36:47 -04:00
Justin Ruggles
67fc8652b9
Always copy input data for AC3 decoder.
...
Depending on error_recognition is not correct, low values do
certainly not mean it is ok to crash.
Based on a patch by Reimar Döffinger <Reimar.Doeffinger@gmx.de>
2011-03-22 15:36:47 -04:00
Mans Rullgard
a45fbda994
Move ff_kbd_window_init() to a separate file
...
This function is not tightly coupled to mdct, and it's in the way
of making a fixed-point mdct implementation.
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-19 19:49:27 +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
Justin Ruggles
c73d99e672
Separate format conversion DSP functions from DSPContext.
...
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
80ba1ddb58
Remove unneeded add bias from 3 functions.
...
DSPContext.vector_fmul_window()
DCADSPContext.lfe_fir()
SynthFilterContext.synth_filter_float()
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-01-31 20:28:42 +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.
...
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
Justin Ruggles
4c57cde942
Add ff_ prefix to ac3_common_init().
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-01-26 15:35:27 +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
Carl Eugen Hoyos
eb0a4d3222
Fix compilation of AC3 decoder if E-AC3 decoder was disabled.
...
Originally committed as revision 23131 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-13 20:41:36 +00:00
Justin Ruggles
cc8538ff93
ac3dec: return smaller of buf_size and frame_size instead of always returning
...
frame_size.
Originally committed as revision 22950 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-22 21:43:36 +00:00
Stefano Sabatini
2874c81cc8
Replace all remaining occurrences of AVERROR_NOMEM with
...
AVERROR(ENOMEM).
AVERROR_NOMEM is deprecated and will be dropped at the next libavutil
major bump.
Originally committed as revision 22791 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-04-03 14:15:00 +00:00
Stefano Sabatini
72415b2adb
Define AVMediaType enum, and use it instead of enum CodecType, which
...
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
ca6e7708b4
Add spectral extension to the E-AC-3 decoder.
...
Original patch by Justin, updated and resubmitted by
Christophe Gisquet, christophe D gisquet A gmail
Originally committed as revision 22734 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-30 22:09:14 +00:00
Justin Ruggles
2c2cdc0bfb
Simplify error handling by processing header errors separate from CRC and
...
buffer size vs. frame size errors.
Originally committed as revision 21519 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-28 23:19:33 +00:00
Justin Ruggles
008f872f61
Only check frame size if the header is valid.
...
Originally committed as revision 21439 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-24 23:55:33 +00:00
Reimar Döffinger
1460c79097
Use MULH instead of 64x64 multiplication, around 5% overall speedup on Intel Atom.
...
Patch by myself and Yuriy Kaminskiy [yumkam mail ru]
Originally committed as revision 21175 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-12 23:02:07 +00:00
Justin Ruggles
7934cbb3be
ac3dec: apply dynamic range compression to correct channels in dual-mono mode.
...
Originally committed as revision 20533 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-11-14 00:25:48 +00:00
Justin Ruggles
187bc061e4
ac3dec: revert r20089. The change was just wrong. 10l for me.
...
Originally committed as revision 20473 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-11-08 03:06:05 +00:00
Justin Ruggles
535497f193
Change an error to a warning to support broken AC-3 files known to exist.
...
Fixes Issue 1426.
Originally committed as revision 20110 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-10-01 00:06:54 +00:00
Justin Ruggles
3fdccca091
10l: wrong operation in stereo rematrixing
...
Originally committed as revision 20106 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-30 21:51:02 +00:00
Justin Ruggles
2ed4439658
Simplify stereo rematrixing by only using one temporary variable. It is also
...
about 1.8% faster on my system.
Originally committed as revision 20090 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-30 01:25:04 +00:00
Justin Ruggles
16c91d2b23
remove unneeded assignment in inner loop. rematrixing bands are contiguous.
...
Originally committed as revision 20089 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-30 01:09:57 +00:00
Justin Ruggles
8b11b44ea7
Rearrange loop structure for approx. 35-50% faster calc_transform_coeffs_cpl()
...
depending on content.
Originally committed as revision 20055 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-09-27 07:16:51 +00:00