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115 Commits

Author SHA1 Message Date
Justin Ruggles
e49d21306a alacdec: implement the 2-pass prediction type. 
The reference encoder does not generate any streams using this, but the
reference decoder can handle it, so we should as well.
 2012-01-03 13:15:24 -05:00
Justin Ruggles
e76c7b856f alacdec: fill in missing or guessed info about the extradata format. 
Now that there is official documentation from Apple about this, we don't have
to guess anymore.
 2012-01-03 13:15:23 -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
Justin Ruggles
30f3e7b524 alacdec: remove unneeded NULL or zero-size packet checks. 
This is already done in avcodec_decode_audio3()
 2011-10-26 11:50:17 -04:00
Justin Ruggles
68f7e9cd8e alacdec: simplify buffer allocation by using FF_ALLOC_OR_GOTO() 2011-10-26 11:50:17 -04:00
Justin Ruggles
b316af7a7c alacdec: ask for a sample for unsupported sample depths. 
Also return AVERROR_PATCHWELCOME.
 2011-10-26 11:50:17 -04:00
Justin Ruggles
63cf54df7a alacdec: cosmetics: use 'ch' instead of 'chan' to iterate channels 2011-10-26 11:50:17 -04:00
Justin Ruggles
01200f1283 alacdec: move some declarations to the top of the function 2011-10-26 11:50:17 -04:00
Justin Ruggles
c3a92412c0 alacdec: always use get_sbits_long() for uncompressed samples 2011-10-26 11:50:17 -04:00
Justin Ruggles
b46e58f741 alacdec: remove unneeded local variable 2011-10-26 11:50:17 -04:00
Justin Ruggles
7080533cda alacdec: remove the numchannels parameter from several functions. 
They only operate on stereo content, so the extra param is not necessary and
also allows for simplifying the code.
 2011-10-26 11:50:17 -04:00
Justin Ruggles
cb50329fc5 alacdec: rename 2 functions. 
Now they only do stereo interleaving.
 2011-10-26 11:50:16 -04:00
Justin Ruggles
c39bddd392 alacdec: move appending of extra_bits to a separate function. 
This should also fix decoding of mono 24-bit.
 2011-10-26 11:50:16 -04:00
Justin Ruggles
e739d35156 alacdec: split stereo decorrelation into a separate function. 
It is identical for 16-bit and 24-bit, so there is no need to have duplicate
code.
 2011-10-26 11:50:16 -04:00
Justin Ruggles
d251c85dce alacdec: cosmetics: rename 'wasted_bits' to 'extra_bits'. 
The bits are not wasted, they are additional low bits that are added to the
16-bit decompressed samples to increase the output sample depth.
 2011-10-26 11:50:16 -04:00
Justin Ruggles
dbbb9262ca alacdec: remove unneeded numsamples checks 2011-10-26 11:50:16 -04:00
Justin Ruggles
53df079a73 alacdec: check for buffer allocation failure. 
Also rearranges some functions for easier cleanup on failure.
 2011-10-26 11:50:16 -04:00
Justin Ruggles
e5e4f92b5c alacdec: allocate per-channel buffers based on channel count. 
reduces memory usage when the stream has fewer than MAX_CHANNELS
 2011-10-26 11:50:16 -04:00
Justin Ruggles
dcaa83a0fc alacdec: read/validate number of channels from the extradata. 
check frame header channel count against header/container channel count.
 2011-10-26 11:50:16 -04:00
Justin Ruggles
47e9c75b36 alacdec: remove unneeded validation of setinfo_sample_size. 
It is already done when using it to set sample_fmt.
 2011-10-26 11:50:16 -04:00
Justin Ruggles
0f26f3d5c4 alacdec: set sample_fmt in alac_decode_init() 2011-10-26 11:50:16 -04:00
Justin Ruggles
aec8383348 alacdec: set bytespersample using av_get_bytes_per_sample() 2011-10-26 11:50:15 -04:00
Anton Khirnov
ec6402b7c5 lavc: use designated initialisers for all codecs. 
It's more readable and less prone to breakage.
 2011-07-29 08:42:34 +02:00
Diego Biurrun
8b587fa292 alac: Remove unused dummy code. 2011-07-16 01:21:17 +02:00
Diego Biurrun
ad4cd0c2a4 doxygen: use Doxygen markup for authors and web links where appropriate 2011-07-15 02:01:21 +02:00
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
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
Jason Garrett-Glaser
313b52fbff Clean up ALACdec 
Do decode init in the init function instead of at the first frame.
Fix some possible crash cases.

Originally committed as revision 25572 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-10-26 07:20:51 +00:00
Måns Rullgård
986f143a38 alac: change VLAs to fixed size 
Originally committed as revision 23751 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-06-24 08:26:40 +00:00
Diego Biurrun
ba87f0801d Remove explicit filename from Doxygen @file commands. 
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 
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
Jai Menon
f6d2916550 Avoid using an intermediate variable. 
Originally committed as revision 21656 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-02-06 12:52:22 +00:00
Jai Menon
b53ae8b6b1 Remove redundant use of numchannels since it is 1 for mono. 
Originally committed as revision 21655 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-02-06 12:48:37 +00:00
Jai Menon
e243eee43f alac.c : Use av_freep instead of av_free. 
Originally committed as revision 21654 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-02-06 12:38:42 +00:00
Jai Menon
f430c7b6ac Add ALAC 24 bps decoding support. 
Originally committed as revision 21637 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-02-04 16:21:26 +00:00
Stefano Sabatini
9106a698e7 Rename bitstream.h to get_bits.h. 
Originally committed as revision 18494 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-13 16:20:26 +00:00
Thilo Borgmann
7a00bbad21 Implement avcodec_decode_video2(), _audio3() and _subtitle2() which takes an 
AVPacket argument rather than a const uint8_t *buf + int buf_size. This allows
passing of packet-specific flags from demuxer to decoder, such as the keyframe
flag, which appears necessary to playback corePNG P-frames.

Patch by Thilo Borgmann thilo.borgmann googlemail com, see also the thread
"Google Summer of Code participation" on the mailinglist.

Originally committed as revision 18351 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-04-07 15:59:50 +00:00
Justin Ruggles
6053da0182 alacdec: Simplify reading of uncompressed samples by using 
get_sbits_long().

Originally committed as revision 17744 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-03-03 04:57:02 +00:00
Måns Rullgård
8858990f07 ALAC: use sign_extend() from mathops.h 
Originally committed as revision 17739 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-03-03 01:53:54 +00:00
Diego Biurrun
bad5537e2c Use full internal pathname in doxygen @file directives. 
Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.

Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-02-01 02:00:19 +00:00
Baptiste Coudurier
9345ae6f78 alac : fix case where bits_per_sample is not set. 
Patch by Baptiste

Originally committed as revision 15275 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-09-08 19:05:46 +00:00
Luca Abeni
dd1c8f3e6e Bump Major version, this commit is almost just renaming bits_per_sample to 
bits_per_coded_sample but that cannot be done seperately.
Patch by Luca Abeni
Also reset the minor version and fix the forgotton change to libfaad.
Note: The API/ABI should not be considered stable yet, there still may
be a change done here or there if some developer has some cleanup ideas and
patches!

Originally committed as revision 15262 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-09-08 14:24:59 +00:00
Matthieu Castet
95801b6a07 alac : check readsamplesize to ensure get_bits() doesn't 
fail. Patch by Matthieu Castet <castet.matthieu AT free fr>

Originally committed as revision 14905 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-08-22 15:09:20 +00:00
Peter Ross
fd76c37fd9 Modify all codecs to report their supported input and output sample format(s). 
Originally committed as revision 14482 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-07-31 10:47:31 +00:00
Jai Menon
66b26265f8 fix verbatim mode decoding. patch by Jai Menon (realityman gmx net). 
Originally committed as revision 13775 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-06-15 18:01:25 +00:00
Stefano Sabatini
fe4bf37455 Make AVCodec long_names definition conditional depending on CONFIG_SMALL. 
Originally committed as revision 13759 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-06-12 21:50:13 +00:00
Matthieu Castet
6827f6f216 cosmetics: indent after last commit. patch by matthieu castet <castet matthieu free fr>. 
Originally committed as revision 13121 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-05-11 18:14:30 +00:00
Matthieu Castet
e5838c90ee simplify decoding of uncompressed samples. patch by matthieu castet <castet matthieu free fr>. 
Originally committed as revision 13120 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-05-11 18:13:30 +00:00
Justin Ruggles
59d598b923 fix reading of samples-per-frame 
Originally committed as revision 13111 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2008-05-11 04:25:34 +00:00