| Commit message (Collapse) | Author | Age |
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Therefore use a proper prefix for this API, e.g.
ff_init_vlc_sparse -> ff_vlc_init_sparse
ff_free_vlc -> ff_vlc_free
INIT_VLC_LE -> VLC_INIT_LE
INIT_VLC_USE_NEW_STATIC -> VLC_INIT_USE_STATIC
(The ancient INIT_VLC_USE_STATIC has been removed
in 595324e143b57a52e2329eb47b84395c70f93087, so that
the NEW has been dropped.)
Finally, reorder the flags and change their values
accordingly.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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In C, qualifiers for arrays are broken:
const VLC_TYPE (*foo)[2] is a pointer to an array of two const VLC_TYPE
elements and unfortunately this is not compatible with a pointer
to a const array of two VLC_TYPE, because the latter does not exist
as array types are never qualified (the qualifier applies to the base
type instead). This is the reason why get_vlc2() doesn't accept
a const VLC table despite not modifying the table at all, as
there is no automatic conversion from VLC_TYPE (*)[2] to
const VLC_TYPE (*)[2].
Fix this by using a structure VLCElem for the VLC table.
This also has the advantage of making it clear which
element is which.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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After permuting the codes, symbols and lengths tables used to initialize
the VLCs so that the codes are ordered from left to right in the Huffman
tree, the codes become redundant as they can be easily computed from the
lengths at runtime (or at compile time with --enable-hardcoded-tables);
in this case one has to use explicit symbol tables, but all the symbols
used here fit into an uint8_t, whereas some codes needed uint16_t.
Furthermore, the codes had holes because the range of the symbols was not
contiguous; these have also been removed.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Also adds a lot of infrastructure necessary for it.
Some of it is a bit ugly though.
Increases binary size for hardcoded tables by about 12 kB,
which is about 15 kB from qdm2_table minus data and code
saved that was only used for creating it.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
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Someone should rename the variables, theres nothing random in there
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This prevents out of array reads. An alternative solution would be
to check the index but this would require several checks in the
inner loops
Yet another alternative would be to change the index reset logic
but this likely would introduce a difference to the binary decoder
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* qatar/master: (31 commits)
tiffenc: initialize forgotten avctx.
avplay: free the active audio packet at exit.
avplay: free rdft data used for spectrogram analysis.
log.h: make AVClass a named struct
fix ac3 encoder documentation
vc1: more prettyprinting cosmetics
vc1: prettyprint some tables
vc1: K&R formatting cosmetics
AVOptions: bump minor and add APIchanges entry.
cmdutils/avtools: simplify show_help() by using av_opt_child_class_next()
AVOptions: rename FF_OPT_TYPE_* => AV_OPT_TYPE_*
Remove all uses of deprecated AVOptions API.
AVOptions: add av_opt_next, deprecate av_next_option.
AVOptions: add functions for evaluating option strings.
AVOptions: split get_number().
AVOptions: add av_opt_get*, deprecate av_get*.
AVOptions: add av_opt_set*().
AVOptions: add new API for enumerating children.
rv34: move inverse transform functions to DSP context
flvenc: Write the right metadata entry count
...
Conflicts:
avconv.c
cmdutils.c
doc/APIchanges
ffplay.c
ffprobe.c
libavcodec/ac3dec.c
libavcodec/h264.c
libavcodec/libvpxenc.c
libavcodec/libx264.c
libavcodec/mpeg12enc.c
libavcodec/options.c
libavdevice/libdc1394.c
libavdevice/v4l2.c
libavfilter/vf_drawtext.c
libavformat/flvdec.c
libavformat/mpegtsenc.c
libavformat/options.c
libavutil/avutil.h
libavutil/opt.c
libswscale/utils.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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This code relies on the result wrapping as for unsigned
values, and the sign is not used. Thus an unsigned type
is proper here.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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* qatar/master:
ffmpeg: get rid of the -vglobal option.
dct32: Add AVX implementation of 32-point DCT
dct32: Change pass 6 permutation to allow for AVX implementation
dct32: port SSE 32-point DCT to YASM
multiple inclusion guard cleanup
avio: document buffer must created with av_malloc() and friends
avio: check AVIOContext malloc failure
swscale: point out an alternative to sws_getContext
svq3: Do initialization after parsing the extradata
add changelog entries for 0.7_beta2
mp3lame: add #include required for AV_RB32 macro.
Conflicts:
Changelog
libavcodec/svq3.c
libavcodec/x86/dct32_sse.c
libavfilter/vsrc_buffer.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Add missing multiple inclusion guards; clean up #endif comments;
add missing library prefixes; keep guard names consistent.
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Originally committed as revision 23806 to svn://svn.ffmpeg.org/ffmpeg/trunk
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av_cold define.
Originally committed as revision 22723 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 22525 to svn://svn.ffmpeg.org/ffmpeg/trunk
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