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Author SHA1 Message Date
Justin Ruggles
81c9e2e6d0 alac: split element parsing into a separate function 
This will make multi-channel implementation simpler.
Based partially on a patch by Andrew D'Addesio <modchipv12@gmail.com>.
 2012-07-19 13:26:48 -04:00
Justin Ruggles
cd632619d9 alac: support a read sample size of up to 32 
Use get_bits_long() in decode_scalar().
Use unsigned int for decoded value.
 2012-07-19 13:26:48 -04:00
Justin Ruggles
73dc0db486 alac: output in planar sample format 
Avoids unneeded interleaving and allows for reusing the AVFrame output buffer
as the internal buffer for 24-bit and 32-bit sample size.
 2012-07-19 13:26:48 -04:00
Justin Ruggles
6482bd8831 alac: add 32-bit decoding support 2012-07-19 13:26:48 -04:00
Andrew D'Addesio
6cda74c155 alac: simplify channel interleaving 
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
 2012-07-19 13:26:48 -04:00
Justin Ruggles
5138ff143f alac: use AVPacket fields directly in alac_decode_frame() 2012-07-19 13:26:47 -04:00
Justin Ruggles
7a206eb32f alac: fix check for valid max_samples_per_frame 2012-07-19 13:26:47 -04:00
Justin Ruggles
1193d3fedd alac: use get_sbits() to read LPC coefficients instead of casting 2012-07-19 13:26:47 -04:00
Justin Ruggles
7a50ec6799 alac: move the current samples per frame to the ALACContext 
This will simplify the multi-channel implementation.
 2012-07-19 13:26:47 -04:00
Justin Ruggles
46043962ea alac: avoid using a double-negative when checking if the frame is compressed 2012-07-19 13:26:47 -04:00
Justin Ruggles
9a6c528e08 alac: factor out output_size check in predictor_decompress_fir_adapt() 2012-07-19 13:26:47 -04:00
Justin Ruggles
ebd4c3add1 alac: factor out loading of next decoded sample in LPC prediction 2012-07-19 13:26:47 -04:00
Justin Ruggles
a4ecd41442 alac: use index into buffer_out instead of incrementing the pointer 2012-07-19 13:26:47 -04:00
Justin Ruggles
f2515cd629 alac: simplify lpc coefficient adaptation 2012-07-19 13:26:47 -04:00
Justin Ruggles
abc4376b31 alac: reduce the number of local variables needed in lpc prediction 2012-07-19 13:26:47 -04:00
Justin Ruggles
01880d287b alac: simplify 1st order prediction and reading of warm-up samples 2012-07-19 13:26:46 -04:00
Justin Ruggles
d0c0bf0d3e alac: cosmetics: reindent after last commit 2012-07-19 13:26:46 -04:00
Justin Ruggles
79def4c523 alac: remove unneeded conditionals in predictor_decompress_fir_adapt() 2012-07-19 13:26:46 -04:00
Justin Ruggles
4bcd637dcb alac: use sizeof() instead of hardcoded data sizes 2012-07-19 13:26:46 -04:00
Justin Ruggles
91620a04f1 alac: make block_size signed 
It does not need to be unsigned.
 2012-07-19 13:26:46 -04:00
Justin Ruggles
2fc24b3273 alac: remove a duplicate local variable 2012-07-19 13:26:46 -04:00
Justin Ruggles
5177413d20 alac: conditionally set sign_modifier to 1 
It is already unconditionally set to 0 prior to this, so we can modify it
only when needed.
 2012-07-19 13:26:46 -04:00
Justin Ruggles
7e6593e977 alac: eliminate 2 unneeded local variables in bastardized_rice_decompress() 
x_modified is just unnecessary, and final_val can be removed by simplifying
the unsigned-to-signed conversion.
 2012-07-19 13:26:46 -04:00
Justin Ruggles
6fd8a28b59 alac: adjust conditions for updating entropy decoder history 
avoids some unnecessary arithmetic in certain situations
 2012-07-19 13:26:46 -04:00
Justin Ruggles
a06fdadd97 alac: cosmetics: reindent after last commit 2012-07-19 13:26:46 -04:00
Justin Ruggles
d9837434a9 alac: limit the rice param before passing to decode_scalar() 
reduces the number of parameters to decode_scalar() and slightly simplifies
the code
 2012-07-19 13:26:45 -04:00
Justin Ruggles
6e91f62256 alac: reduce the number of parameters to bastardized_rice_decompress() 
Use the ALACContext fields directly instead.
 2012-07-19 13:26:45 -04:00
Justin Ruggles
836e8b9ba0 alac: cosmetics: rename some ALACContext parameters 2012-07-19 13:26:45 -04:00
Justin Ruggles
2ac1737583 alac: clean up and update comments leftover from reverse-engineering 2012-07-19 13:26:45 -04:00
Justin Ruggles
3bab7cd128 avformat: move 'chan' tag parsing to mov_chan.c to share with the CAF demuxer 2012-07-19 13:26:45 -04:00
Justin Ruggles
c0196a14b9 caf: use int64_t for num_packets 
It is used to store a value read by avio_rb64().
 2012-07-19 13:26:45 -04:00
Justin Ruggles
f5a9c35f88 caf: fix 'pakt' chunk parsing 
according to the CAF specification:
"... the value for mChunkSize can be greater than the actual valid content
of the packet table chunk"
 2012-07-19 13:26:45 -04:00
Justin Ruggles
b0b77b9ca5 caf: support either old or new style ALAC magic kuki chunk 2012-07-19 13:26:45 -04:00
Mans Rullgard
45870f8b6e Print full compiler identification, not only version number 
This provides a more precise identification of the compiler used.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-07-19 10:21:46 +01:00
Mans Rullgard
bf1cf4d5a5 flacdec: reverse lpc coeff order, simplify filter 
Reversing the lpc coefficient order simplifies indexing in
the filter.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-07-19 10:21:32 +01:00
Diego Biurrun
9f97af2688 x86: dsputil: drop some unused CPU flag debug code 2012-07-19 10:17:56 +02:00
Mans Rullgard
ffdd93a25e ppc: fix build with altivec disabled 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-07-18 13:34:42 +01:00
Mans Rullgard
28f9ab7029 vp3: move idct and loop filter pointers to new vp3dsp context 
This moves all VP3-specific function pointers from dsputil to a
new vp3dsp context.  There is no reason to ever use the VP3 IDCT
where an MPEG2 IDCT is expected or vice versa.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-07-18 10:32:19 +01:00
Mans Rullgard
ab9f987661 build: add CONFIG_VP3DSP, reduce repetition in OBJS lists 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-07-18 10:32:18 +01:00
Kostya Shishkov
4cfb0d871d tscc2: do not add/subtract 128 bias during DCT 
It turns out that the reference decoder subtracts 128 from DC during block
decode but adds it back during reordering block with zigzag pattern.
Transforming block with incorrect DC caused heavy visual artifacts for
many quantisers.
 2012-07-18 07:05:59 +02:00
Kostya Shishkov
3c6c19184c tscc2: fix typo in DCT 2012-07-18 07:05:53 +02:00
Diego Biurrun
c547e5ff98 configure: clarify external library section of help output 2012-07-18 02:11:04 +02:00
Diego Biurrun
87246953d8 configure: mark libfdk-aac as nonfree 2012-07-18 02:00:22 +02:00
Diego Biurrun
47876d661a configure: cosmetics: drop some unnecessary backslashes 2012-07-18 02:00:21 +02:00
Diego Biurrun
7a249625fd os_support: K&R formatting cosmetics 2012-07-17 20:10:50 +02:00
Michael Bradshaw
453c02f971 libopenjpeg: introduce encoding support 
Based on FFmpeg version from
commit 713a7854e0

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2012-07-17 14:56:58 +02:00
Michael Bradshaw
b43a7bb4f9 libopenjpeg: rename decoder source file. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2012-07-17 14:56:22 +02:00
Samuel Pitoiset
86991ce2dd RTMPTS protocol support 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-07-17 14:02:55 +03:00
Samuel Pitoiset
6aedabc9b6 RTMPS protocol support 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-07-17 13:53:33 +03:00
Anton Khirnov
5417efbbf3 avconv: print an error message when demuxing fails. 
Also exit in such a case if -xerror is used.

Fixes bug 329.
 2012-07-17 09:50:26 +02:00