Commit Graph

52 Commits

Author SHA1 Message Date
Justin Ruggles
0fb2182d46 add a function to calculate a more accurate estimate for maximum FLAC
frame size and use the function in the FLAC decoder and FLAC encoder

Originally committed as revision 18092 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-21 01:54:31 +00:00
Justin Ruggles
f5187c7f04 flacdec: account for frame and subframe header overhead when calculating
estimate for maximum frame size

Originally committed as revision 18091 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-21 01:27:28 +00:00
Justin Ruggles
d4df4e5088 share sample rate and blocksize tables between the FLAC encoder and FLAC
decoder

Originally committed as revision 18089 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-21 01:16:38 +00:00
Justin Ruggles
d9e7fa8074 flacdec: remove unneeded variable, 'assignment'
Originally committed as revision 18085 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-21 00:48:07 +00:00
Justin Ruggles
2a34672500 flacdec: cosmetics: rename 'decorrelation' to 'ch_mode'
Originally committed as revision 18084 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-21 00:47:04 +00:00
Justin Ruggles
3159780b18 share channel mode constants between the FLAC decoder and FLAC encoder
Originally committed as revision 18082 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-21 00:44:42 +00:00
Justin Ruggles
07d16e2ecf share some constants between the FLAC encoder and FLAC decoder
Originally committed as revision 18041 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-19 03:04:21 +00:00
Justin Ruggles
5b63d33d7d flacdec: Add a shared function for parsing a FLAC metadata block header.
Originally committed as revision 17851 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-06 01:25:11 +00:00
Justin Ruggles
8d1e885fc2 flacdec: cosmetics: Add a comment with the data of the smallest FLAC
frame for future reference.

Originally committed as revision 17822 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-05 04:40:42 +00:00
Justin Ruggles
629fb5c46a flacdec: There is an even smaller FLAC frame size possibility.
Originally committed as revision 17821 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-05 02:36:17 +00:00
Justin Ruggles
5756bc7b02 flacdec: 10l to me. I miscalculated the smallest FLAC frame. It is 16
bytes, not 24.

Originally committed as revision 17820 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-05 02:21:35 +00:00
Justin Ruggles
bf1d7e285c flacdec: cosmetics: move 2 statements to immediately after frame
decoding.

Originally committed as revision 17819 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-05 01:23:53 +00:00
Justin Ruggles
fd6fd470ce flacdec: Simplify frame sync by not using the bitstream reader.
Originally committed as revision 17818 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-05 01:15:38 +00:00
Justin Ruggles
a8ec12bc2e flacdec: Split the metadata_parse() function into 2 separate functions,
parse_streaminfo() and get_metadata_size().

Originally committed as revision 17817 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-05 00:56:09 +00:00
Justin Ruggles
5ef4fa87b3 flacdec: Add a check for small buffer size. This ensures reading as
much of the frame header as possible without excluding the smallest
possible FLAC frame.  It also fixes a false positive warning message
that was being emitted at the end of decoding.

Originally committed as revision 17816 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-04 23:55:10 +00:00
Justin Ruggles
c51997297a flacdec: cosmetics: Use a more descriptive variable name for the number
of bytes read, instead of reusing 'i'.

Originally committed as revision 17815 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-04 23:24:44 +00:00
Justin Ruggles
549bccdbe4 flacdec: Handle 32 bps data when checking allocated size.
Originally committed as revision 17814 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-04 23:16:30 +00:00
Justin Ruggles
a3d2379bdd flacdec: Check curr_bps after wasted bits are subtracted.
Originally committed as revision 17813 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-04 23:10:40 +00:00
Justin Ruggles
e1374c06d6 flacdec: When there is not enough data to read the next header block,
reset the bitstream reader instead of skipping backwards.

Originally committed as revision 17798 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-04 01:08:26 +00:00
Justin Ruggles
6a85fb34c9 cosmetics: indentation after last commit
Originally committed as revision 17796 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-04 00:53:04 +00:00
Justin Ruggles
55a727383b flacdec: Check for an inline header before calling metadata_parse().
Originally committed as revision 17795 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-04 00:52:18 +00:00
Justin Ruggles
239b961fbf flacdec: Allocate buffers right after STREAMINFO is parsed.
Originally committed as revision 17794 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-04 00:21:46 +00:00
Justin Ruggles
184bc53db4 cosmetics: indentation after last commit
Originally committed as revision 17791 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-03 23:50:21 +00:00
Justin Ruggles
7d0303587d flacdec: Avoid parsing the STREAMINFO multiple times.
Originally committed as revision 17790 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-03 23:49:36 +00:00
Justin Ruggles
2e78513cee flacdec: Warn about invalid max blocksize and limit the minimum value.
Originally committed as revision 17751 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-03 05:53:38 +00:00
Justin Ruggles
0c89ca72a5 cosmetics: remove a pointless comment
Originally committed as revision 17749 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-03 05:25:58 +00:00
Justin Ruggles
95db6659d8 flacdec: Remove unused variable, min_blocksize.
Originally committed as revision 17748 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-03 05:25:23 +00:00
Justin Ruggles
dde318d5d9 flacdec: Return error when blocksize code of 0 is found. It is a
reserved value per the FLAC format documentation.

Originally committed as revision 17747 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-03 05:22:44 +00:00
Justin Ruggles
5b37e2fc9a flacdec: Avoid trying to read 33 bits. This occurs when the source
is 32 bits-per-sample and channel decorrelation is used.  Such files
are valid, but not supported currently.

Originally committed as revision 17743 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-03 04:45:45 +00:00
Justin Ruggles
505cc62f75 flacdec: ALT_BITSTREAM_READER is no longer required.
Originally committed as revision 17742 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-03 02:53:11 +00:00
Justin Ruggles
9de6e090a7 flacdec: use get_sbits_long() where needed.
Originally committed as revision 17741 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-03 02:19:01 +00:00
Justin Ruggles
ee4d0322e8 flacdec: Use get/skip_bits_long() for more than 17-bits and
get/skip_bits() for 17-bits or less.

Originally committed as revision 17735 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-02 17:32:53 +00:00
Justin Ruggles
26adc8d086 cosmetics: line wrap and indentation after last commit.
Originally committed as revision 17603 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-26 02:30:29 +00:00
Justin Ruggles
59c6178a54 Use a shared function to validate FLAC extradata.
Originally committed as revision 17602 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-26 02:29:24 +00:00
Patrik Kullman
7846418bdb flacdec: Silence false positive warning about uninitialized variables in
decode_subframe_fixed(). Patch by Patrik Kullman (patrik A yes D nu).

Originally committed as revision 17386 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-16 22:23:47 +00:00
Justin Ruggles
faeb2bd41d flacdec: set default sample_fmt before parsing extradata
Originally committed as revision 16926 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-02 01:53:40 +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
Justin Ruggles
7f3a6a0553 cosmetics: change comment type and vertical alignment
Originally committed as revision 16882 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-31 02:11:37 +00:00
Justin Ruggles
64cb376562 cosmetics: add some documentation to FLACContext
Originally committed as revision 16881 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-31 02:10:43 +00:00
Justin Ruggles
82159ad992 flacdec: add support for SAMPLE_FMT_32
Originally committed as revision 16871 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-31 01:20:40 +00:00
Justin Ruggles
aeb987cebf flacdec: get total number of samples from STREAMINFO
Originally committed as revision 16768 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-25 02:27:02 +00:00
Justin Ruggles
ce7e82144f move FLAC_STREAMINFO_SIZE to flac.h
Originally committed as revision 16766 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-25 00:34:32 +00:00
Justin Ruggles
d38b88213e define FLAC metadata types in flac.h
Originally committed as revision 16765 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-25 00:33:25 +00:00
Justin Ruggles
9f3d3ecf92 flacdec: cosmetics: some line wrapping at 80 chars
Originally committed as revision 16763 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-24 19:05:52 +00:00
Justin Ruggles
1df0390eed flacdec: cosmetics: indentation
Originally committed as revision 16762 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-24 18:52:30 +00:00
Justin Ruggles
1bec121f9e flacdec: cosmetics: use consistent coding style (K&R)
Originally committed as revision 16761 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-24 18:51:43 +00:00
Justin Ruggles
13de8a080a cosmetics: indentation
Originally committed as revision 16753 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-24 16:13:21 +00:00
Justin Ruggles
5305f40bb8 flacdec: change several AV_LOG_DEBUG to AV_LOG_ERROR
Originally committed as revision 16752 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-24 16:03:17 +00:00
Justin Ruggles
9f2db54594 flacdec: remove another unneeded debugging statement
Originally committed as revision 16751 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-24 16:02:30 +00:00
Justin Ruggles
f7f3e3bf4a flacdec: remove unneeded debugging statements
Originally committed as revision 16750 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-24 16:01:20 +00:00