Zhaoxiu Zeng
2a72b1664d
avcodec/h264: use avpriv_find_start_code() in h264_split()
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This also allows replacing several literal numbers by named constants
And it should be faster, the function is not speed relevant though as it is
generally only called a few times at the streams start.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
ad0be70382
avcodec/dcaenc: rename DCA_SUBBANDS
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Fixes "warning: DCA_SUBBANDS redefined"
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Clément Bœsch
3cab173e23
avcodec/gif: support crop and transparency with PAL8
10 years ago
Paul B Mahol
088dfd3ff1
avcodec/dxtory: use init_get_bits8()
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
10 years ago
Diego Biurrun
ecbcebde34
vdpau: Adjust necessary #includes for vdpau_internal.h
10 years ago
Gilles Chanteperdrix
8ca098f444
avcocdec/mpegaudio_parser: add MP3 ADU headers parser
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Reviewed-by: Thomas Volkert <silvo@gmx.net>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Diego Biurrun
2a9c6fae92
dca: Move all tables into dcadata.h
10 years ago
Diego Biurrun
8a213179af
dca: Remove trace debugging code
10 years ago
Diego Biurrun
a96f51f29a
dca: Return more informative error codes
10 years ago
Diego Biurrun
b339019de4
dca: Split code for handling the EXSS extension off into a separate file
10 years ago
Diego Biurrun
7f9f771eac
avcodec: Don't anonymously typedef structs
10 years ago
Himangi Saraogi
7769be590c
vp56: Return meaningful error codes
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
10 years ago
Christophe Gisquet
b533949813
x86: hevc: remove a parameter to WP internals
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The second stride is always the internal buffer one, MAX_PB_SIZE (times 2 to
get the value in bytes).
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
zhaoxiu.zeng
a196e0c66d
avcodec/vc1_pred: few branchless optimizations
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This is also simpler
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Zhaoxiu Zeng
3b5ad8fbf7
avcodec/parser: optimize ff_mpeg4video_split()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Paul B Mahol
ba22295e76
lavc: deprecate VIMA decoder
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
10 years ago
zhaoxiu.zeng
ac7fc444ee
avcodec/apedec: simplify sign conversion
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Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
zhaoxiu.zeng
b11a187575
avcodec/golomb: simplify sign conversion
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Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
zhaoxiu.zeng
0073c8e345
avcodec/apedec: move 'coeffs[256] and delay[256]' into, long_filter_high_3800
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Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
zhaoxiu.zeng
9e6198f0a4
avcodec/wmalosslessdec: simplify
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
zhaoxiu.zeng
80f1378005
avcodec/wmalosslessdec: optimize sign operation
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Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
zhaoxiu.zeng
bc0a440e88
avcodec/wmalosslessdec: change type of acfilter_coeffs from int64_t to int16_t
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Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
zhaoxiu.zeng
e4ea84e12e
avcodec/wmv2: simplify cbp_table_index calculation
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
zhaoxiu.zeng
b4b9a64bdb
avcodec/vc1: simplify vc1_split()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
zhaoxiu.zeng
b39ac9d210
avcodec/vc1: simplify find_next_marker()
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Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Peter Meerwald
eea769df32
hevc: Use generic av_clip function, not C implementation
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hevc seems to be the only place where the C implementation
of the av_clip function is explicitly selected, precluding
platform-specific optimizations
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
10 years ago
James Almer
1679d68dbf
x86/hevc_mc: optimize AVX2 mc functions
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Before
40766 decicycles in ff_hevc_put_hevc_qpel_h64_8_avx2, 8192 runs, 0 skips
After
37975 decicycles in ff_hevc_put_hevc_qpel_h64_8_avx2, 8192 runs, 0 skips
Reviewed-by: Christophe Gisquet <christophe.gisquet@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
10 years ago
James Almer
14b44c1614
x86/hevc_sao: make sao_edge_filter_{10,12} work on x86_32
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Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Reviewed-by: Christophe Gisquet <christophe.gisquet@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
10 years ago
Michael Niedermayer
cab6302534
avcodec/arm/videodsp_armv5te: Fix linking failure with "g++ -shared -D__STDC_CONSTANT_MACROS -o test.so ... libavcodec.a"
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Tested-by: Andreas Haupt
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
9843746570
avcodec/mpegvideo_enc: correctly initialize chroma_intra_matrix for MPEG1/2
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
0bcb040a2e
avcodec/mpegvideo_enc: Consider chroma_intra_matrix in dct_quantize_trellis_c()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
7cac568b39
avcodec/mjpegenc: support trellis quantization
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
7366bb38f1
avcodec/mpegvideo_enc: Add intra_chroma_ac_vlc_length, it will be needed for mjpeg
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
08509c8f86
avcodec/mjpegdec: Skip blocks which are outside the visible area
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Fixes out of array accesses
Fixes: ffmpeg_mjpeg_crash.avi
Found-by: Thomas Lindroth <thomas.lindroth@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Paul B Mahol
392d975efe
avcodec: fix clobbered ff_get_buffer()
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
10 years ago
Paul B Mahol
e4eba9e21d
avcodec/mss4: use av_malloc_array()
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
10 years ago
Paul B Mahol
fd6768a4b8
avcodec/huffman: check if map was allocated too
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
10 years ago
Paul B Mahol
a5398aa56c
avcodec/hevc_parser: check for av_mallocz() failure
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
10 years ago
James Almer
06fe6dfe12
x86/hevc_sao: make sao_band_filter work on x86_32
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Reviewed-by: Christophe Gisquet <christophe.gisquet@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
10 years ago
Paul B Mahol
238247b622
avcodec/sgienc: return meaningful error code
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
10 years ago
Michael Niedermayer
d80fe5d4bc
avcodec/vb: Check for av_mallocz() failure
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Seppo Tomperi
03cecf45c1
hevcdsp: ARM NEON optimized transforms
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cherry picked from commit b153f55935969c794de4640f8d34e01c58e027ae
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Christophe Gisquet
b61b9e4919
x86: hevc_mc: remove lea in EPEL_LOAD
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The second parameter to the macro is always an immediate address,
so no lea is needed.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Christophe Gisquet
4919b38421
x86: hevc_mc: fewer gpr autoloads for _v filters
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In that case, it's just to load my, but mx/r3src is not used.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
James Almer
92d903afaa
x86/vp9dsp: fix clobbering of xmm6 on IDCT sse2 functions
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Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
10 years ago
Michael Niedermayer
2048126ea7
avcodec/utils: Assert that dst->progress is clear before ff_thread_ref_frame()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
de6df46120
avcodec/h264: Setup decoder to have matching reference to the EC code
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Also move EC ref initialization to where the EC code is called.
Fixes out of array read
Fixes: asan_heap-uaf_143f420_142_20110805_112659_ch0.mkv
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
ecfd48dc06
avcodec/h264: Move COPY_PICTURE() to h264.h so it can be used from other parts of the h264 decoder
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Carl Eugen Hoyos
2efaaf9476
Support decoding yuv dpx images.
10 years ago
Christophe Gisquet
626d6184ce
x86: lavc/hevc_mc: fix comments
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The width parameter is now completely at the back, and actually
never used. This helps understanding the actual parameter list.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago