Måns Rullgård
49bd8e4b84
Fix grammar errors in documentation
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Originally committed as revision 23904 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Nick Brereton
857c30ecba
mlpdec: Comment channel_params field in struct SubStream.
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Patch by Nick Brereton <nick at nbrereton dot net>
Originally committed as revision 23085 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Nick Brereton
22fb814c2f
mlpdec: Allocate channel decoding parameters for each substream. Some file
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was encountered with a channel range that overlapped the previous substreams,
and the code assumed no such overlap was possible.
Patch by Nick Brereton <nick at nbrereton dot net>
Originally committed as revision 23084 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Diego Biurrun
ba87f0801d
Remove explicit filename from Doxygen @file commands.
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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
15 years ago
Stefano Sabatini
72415b2adb
Define AVMediaType enum, and use it instead of enum CodecType, which
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is deprecated and will be dropped at the next major bump.
Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Reimar Döffinger
d780511b94
Reduce log level of "Extracting .. channel downmix" to AV_LOG_DEBUG, the
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message is pointless to ordinary users and is printed once per frame.
Originally committed as revision 21486 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Reimar Döffinger
0b882b4009
Fix crash in MLP decoder due to integer overflow.
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Probably only DoS, init_get_bits sets buffer to NULL, thus causing a
NULL-dereference directly after.
Originally committed as revision 21426 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Diego Biurrun
547fc46ca7
Remove pointless CONFIG_MLP_DECODER preprocessor check.
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The file is only ever compiled if the MLP decoder is enabled.
Originally committed as revision 20968 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Ramiro Polla
52ae1e869b
mlp: Indent.
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Originally committed as revision 20255 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Ramiro Polla
7fd8806924
mlp: Only initialize VLC tables once. This caused a crash when multiple
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instances of the decoder were started at different times.
Bug reported by Maxim Anisiutkin.
Originally committed as revision 20254 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Ramiro Polla
13bd2044d3
mlp: Simplify adressing of state and coeffs arrays for both filters by making
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the arrays sequential.
Originally committed as revision 18841 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
e282272667
mlpdec: Fix possible writing out of array bounds introduced by being
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under-paranoid in r18651.
Originally committed as revision 18763 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
e8d341ce19
mlpdec: Split sync word error and MLP sync word check.
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The previous code would print the wrong error message for MLP streams with
TrueHD noise type.
Originally committed as revision 18762 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
aff42ee0ff
mlpdec: Fix indentation that got mangled from copy&paste.
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Originally committed as revision 18761 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
bf4f19dc65
mlpdec: Move MLP's filter_channel() to dsputils.
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Originally committed as revision 18721 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
77b12f809b
mlpdec: Simplify filtering code by using only one counter variable.
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Originally committed as revision 18695 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
420df93037
mlpdec: Don't overallocate buffers.
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Now that max channels and primitive matrices are properly validated, there is
no need to be paranoid that random data will be overwritten.
As a bonus this makes matrix_coeff 16-byte aligned between matrices.
Originally committed as revision 18651 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
309616b249
mlpdec: Validate num_primitive_matrices.
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Originally committed as revision 18650 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
868170c4da
mlpdec: Validate max_channel and max_matrix_channel.
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Originally committed as revision 18649 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
46958efe97
mlpdec: Restart header sync must be 0x31ea for MLP.
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Originally committed as revision 18648 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
a256445ec3
mlpdec: Read context variable to local variable to make code cleaner.
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Originally committed as revision 18615 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
f95f6ab91e
mlpdec: {}- and whitespace-related cosmetics.
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Originally committed as revision 18614 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
63ad832dd6
mlpdec: Use some context arrays with local variables in rematrix_channels().
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Originally committed as revision 18613 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
15e6748b72
truehd: Simplify rematrix_channels() as per Michael's original review.
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Originally committed as revision 18612 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
95c14b1eea
mlpdec: Make read_matrix_params() take unsigned int substr for consistency.
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Originally committed as revision 18611 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
5d9e4eaa6d
mlpdec: Check for {matrix,filter}_changed as soon as they are incremented.
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Originally committed as revision 18610 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Stefano Sabatini
9106a698e7
Rename bitstream.h to get_bits.h.
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Originally committed as revision 18494 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Thilo Borgmann
7a00bbad21
Implement avcodec_decode_video2(), _audio3() and _subtitle2() which takes an
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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
16 years ago
Ramiro Polla
75428fa447
mlpdec: Filters and matrices may change only once per substream per access unit.
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Originally committed as revision 18338 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
89e39be3b6
mlpdec: There must be no extraword for MLP.
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Originally committed as revision 18337 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
cc9c512638
mlpdec: Validate non-restart bit from the substream header.
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Originally committed as revision 18336 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
0091d8a164
mlpdec: matrix_out_ch must not be greater than max_matrix_channel, and not max_channel.
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Originally committed as revision 18335 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
ab79fa44f1
mlpdec: Simplify check for substream_parity_present.
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Originally committed as revision 18240 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
01aaf09274
mlpdec: Simplify no restart header seen error.
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Originally committed as revision 18239 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
d7952be311
mlpdec: Simplify substream length mismatch error.
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Originally committed as revision 18238 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
d544dcdf38
mlpdec: Prettify substream parity check.
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Originally committed as revision 18237 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
7b18e13a7c
mlpdec: Cleaner and better termination word check.
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Originally committed as revision 18236 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
125cf771f6
mlpdec: More validation for read_channel_params()
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Originally committed as revision 18235 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
06e34be88f
mlpdec: whitespace cosmetics.
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Originally committed as revision 18234 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
a44b9f9574
mlpdec: Simplify &foo[0] to foo and use index (which has just been initialized
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to MAX_BLOCKSIZE) instead of MAX_BLOCKSIZE, so both copies to/from state data
look alike.
Originally committed as revision 18233 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
e71365f427
mlpdec: Split filter_state_buffer into [fi]irbuf and fp to [fi]ir.
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Originally committed as revision 18232 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
0ae59bb01a
mlpdec: Unroll copying filter state data and filtering for the two filters.
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Originally committed as revision 18231 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
0c5670a0e5
mlpdec: Max filter orders for FIR and IIR are 8 and 4 respectively.
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Originally committed as revision 18230 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
fa937faba4
mlpdec: Remove few random dprintf()s.
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Originally committed as revision 18212 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
b864098c16
mlpdec: Check for blocksize in proper range.
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Originally committed as revision 18211 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
8e9ee714fc
mlpdec: quant_step_size can be any value from 0 to 0xF.
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Originally committed as revision 18210 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
6fae7cbd7f
mlpdec: output_shift can be any value from -8 to 7.
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Originally committed as revision 18209 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
af04802640
mlpdec: output_shift is signed
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Originally committed as revision 18208 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
43ee5fe035
mlpdec: Split read_channel_params() into its own function.
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Originally committed as revision 18207 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Ramiro Polla
f8e6293bde
mlpdec: Split read_matrix_params() into its own function.
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Originally committed as revision 18206 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago