Piotr Bandurski
53241b5dc7
lavc: add missing new line to some messages
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Anton Khirnov
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
12 years ago
Paul B Mahol
c2502b7b34
alac: remove redundant "alac: " from log messages
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago
Justin Ruggles
81f548de57
alac: check for truncated packets
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This will give a clearer error message when the error is caused by a
truncated packet.
12 years ago
Justin Ruggles
fb57e913e1
alac: reverse lpc coeff order, simplify filter
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Reversing the lpc coefficient order simplifies indexing in the filter.
12 years ago
Michael Niedermayer
17352ad315
alacdec: fix packed sample output with 5.1
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
7c6ebe2b97
alac: drop packed sample output support with the next major bump
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
5e99df019a
alacdec: several players have problems with planar audio still thus temporary put packed output back by default
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Justin Ruggles
4cd22b7738
alac: fix channel pointer assignment for 24 and 32-bit
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Needs to be done separately for each element.
13 years ago
Justin Ruggles
eeb55f5f2f
alac: cosmetics: general pretty-printing and comment clean up
13 years ago
Justin Ruggles
f3e5a7844b
alac: calculate buffer size outside the loop in allocate_buffers()
13 years ago
Justin Ruggles
bae83f2c74
alac: change some data types to plain int
13 years ago
Justin Ruggles
2aebac6918
alac: cosmetics: rename some variables and function names
13 years ago
Andrew D'Addesio
1b3ef155d7
alac: multi-channel decoding support
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Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
13 years ago
Justin Ruggles
81c9e2e6d0
alac: split element parsing into a separate function
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This will make multi-channel implementation simpler.
Based partially on a patch by Andrew D'Addesio <modchipv12@gmail.com>.
13 years ago
Justin Ruggles
cd632619d9
alac: support a read sample size of up to 32
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Use get_bits_long() in decode_scalar().
Use unsigned int for decoded value.
13 years ago
Justin Ruggles
73dc0db486
alac: output in planar sample format
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Avoids unneeded interleaving and allows for reusing the AVFrame output buffer
as the internal buffer for 24-bit and 32-bit sample size.
13 years ago
Justin Ruggles
6482bd8831
alac: add 32-bit decoding support
13 years ago
Andrew D'Addesio
6cda74c155
alac: simplify channel interleaving
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Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
13 years ago
Justin Ruggles
5138ff143f
alac: use AVPacket fields directly in alac_decode_frame()
13 years ago
Justin Ruggles
7a206eb32f
alac: fix check for valid max_samples_per_frame
13 years ago
Justin Ruggles
1193d3fedd
alac: use get_sbits() to read LPC coefficients instead of casting
13 years ago
Justin Ruggles
7a50ec6799
alac: move the current samples per frame to the ALACContext
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This will simplify the multi-channel implementation.
13 years ago
Justin Ruggles
46043962ea
alac: avoid using a double-negative when checking if the frame is compressed
13 years ago
Justin Ruggles
9a6c528e08
alac: factor out output_size check in predictor_decompress_fir_adapt()
13 years ago
Justin Ruggles
ebd4c3add1
alac: factor out loading of next decoded sample in LPC prediction
13 years ago
Justin Ruggles
a4ecd41442
alac: use index into buffer_out instead of incrementing the pointer
13 years ago
Justin Ruggles
f2515cd629
alac: simplify lpc coefficient adaptation
13 years ago
Justin Ruggles
abc4376b31
alac: reduce the number of local variables needed in lpc prediction
13 years ago
Justin Ruggles
01880d287b
alac: simplify 1st order prediction and reading of warm-up samples
13 years ago
Justin Ruggles
d0c0bf0d3e
alac: cosmetics: reindent after last commit
13 years ago
Justin Ruggles
79def4c523
alac: remove unneeded conditionals in predictor_decompress_fir_adapt()
13 years ago
Justin Ruggles
4bcd637dcb
alac: use sizeof() instead of hardcoded data sizes
13 years ago
Justin Ruggles
91620a04f1
alac: make block_size signed
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It does not need to be unsigned.
13 years ago
Justin Ruggles
2fc24b3273
alac: remove a duplicate local variable
13 years ago
Justin Ruggles
5177413d20
alac: conditionally set sign_modifier to 1
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It is already unconditionally set to 0 prior to this, so we can modify it
only when needed.
13 years ago
Justin Ruggles
7e6593e977
alac: eliminate 2 unneeded local variables in bastardized_rice_decompress()
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x_modified is just unnecessary, and final_val can be removed by simplifying
the unsigned-to-signed conversion.
13 years ago
Justin Ruggles
6fd8a28b59
alac: adjust conditions for updating entropy decoder history
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avoids some unnecessary arithmetic in certain situations
13 years ago
Justin Ruggles
a06fdadd97
alac: cosmetics: reindent after last commit
13 years ago
Justin Ruggles
d9837434a9
alac: limit the rice param before passing to decode_scalar()
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reduces the number of parameters to decode_scalar() and slightly simplifies
the code
13 years ago
Justin Ruggles
6e91f62256
alac: reduce the number of parameters to bastardized_rice_decompress()
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Use the ALACContext fields directly instead.
13 years ago
Justin Ruggles
836e8b9ba0
alac: cosmetics: rename some ALACContext parameters
13 years ago
Justin Ruggles
2ac1737583
alac: clean up and update comments leftover from reverse-engineering
13 years ago
Martin Storsjö
00c3b67b8a
cosmetics: Align codec declarations
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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>
13 years ago
Ronald S. Bultje
c3bbd0b53b
alac: convert extradata reading to bytestream2.
13 years ago
Baptiste Coudurier
89fc7e36c7
alacdec: support 32 bps
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Justin Ruggles
e49d21306a
alacdec: implement the 2-pass prediction type.
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The reference encoder does not generate any streams using this, but the
reference decoder can handle it, so we should as well.
13 years ago
Justin Ruggles
e76c7b856f
alacdec: fill in missing or guessed info about the extradata format.
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Now that there is official documentation from Apple about this, we don't have
to guess anymore.
13 years ago
Michael Niedermayer
a8469223f6
alac: Check for bitstream overread
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Fixes Ticket801
Bug found by: Oana Stratulat
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
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.
13 years ago