Andreas Cadhalpun
584cc1ade1
aacsbr: break infinite loop in sbr_hf_calc_npatches
...
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
0b961423ee
avcodec/aacsbr: Replace impossible condition by assert
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bits can have a value of 0 or 1 they are never -1 or otherwise negative
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Vittorio Giovara
cdce9e8025
aacsbr: Fix type for index variable
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Prevents unsigned overflow and variable truncation.
Bug-Id: CID 603186
10 years ago
Reimar Döffinger
8c1ce7787a
aacsbr: silence message for SBR extension "padding".
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Some files contain a few additional, all-0 bits.
Check for that case and don't print incorrect "not supported"
message.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Alex Converse <alex.converse@gmail.com>
10 years ago
Michael Niedermayer
68b8e21b8b
avcodec/aacdec: Use avpriv_float_dsp_alloc()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Vittorio Giovara
208f3abb91
aacsbr: always initialize max_qmf_subbands
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Fixes a wordly warning from clang -Wsometimes-uninitialized.
10 years ago
Michael Niedermayer
930ffd46e1
aacsbr: change order of operation to prevent out of array read
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CC: libav-stable@libav.org
Bug-Id: CID 732250
10 years ago
Vittorio Giovara
9f6f407463
aacsbr: treat 1-d arrays as such
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CC: libav-stable@libav.org
Bug-Id: CID 1238802 / CID 1238793 / CID 1238785
CID 1238808 / CID 1238809
10 years ago
Reimar Döffinger
87c7fb2b21
aacsbr: support hardcoding tables.
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For sbr_qmf_window_us there is even a question if it maybe
should be fully hardcoded all the time.
Since half of it is coded, it ends up in .data and not .bss.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
10 years ago
Diego Biurrun
5145ccf02b
aacsbr: Add some const casts to silence warnings in ff_sbr_apply()
11 years ago
Gian-Carlo Pascutto
454959a5aa
aacdec: Set the profile during decoding
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Previously the profile would not be set if the bitstream needs
to be decoded to know the profile.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
11 years ago
Diego Biurrun
12e25ed284
avcodec: av_log_missing_feature(1) ---> avpriv_request_sample()
12 years ago
Diego Biurrun
63d744e2be
av_log_missing_feature() ---> avpriv_report_missing_feature()
12 years ago
Michael Niedermayer
eab49f4fb5
Revert "aacdec: Reconfigure output as needed, disable pop_output_configuration()"
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This reverts commit 60dbf2eff9
.
This is not needed anymore, Ticket 1694 has been fixed differently
12 years ago
Michael Niedermayer
8978c743fb
aacsbr: Check for envelope scalefactors overflowing
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This prevents various values from becoming stuck at NAN and
output to become silent
If someone knows a cleaner solution, thats welcome!
Fixes Ticket2335
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
60dbf2eff9
aacdec: Reconfigure output as needed, disable pop_output_configuration()
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Fixes Ticket1694
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
c6d3b3be15
aacsbr: Silence warning: max_qmf_subbands may be used uninitialized in this function
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Mirjana Vulin
8d2eb5fe58
mips: optimization for float aac decoder (sbr module)
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Signed-off-by: Mirjana Vulin <mvulin@mips.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Diego Biurrun
218aefce44
dsputil: Move LOCAL_ALIGNED macros to libavutil
12 years ago
Ronald S. Bultje
42d3246948
floatdsp: move vector_fmul_reverse from dsputil to avfloatdsp.
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Now, nellymoserenc and aacenc no longer depends on dsputil. Independent
of this patch, wmaprodec also does not depend on dsputil, so I removed
it from there also.
12 years ago
Ronald S. Bultje
55aa03b9f8
floatdsp: move vector_fmul_add from dsputil to avfloatdsp.
12 years ago
Christophe Gisquet
9a16359c38
AAC SBR: use AVFloatDSPContext's vector_fmul
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Around 5% speedup on the code block using 'vector_fmul_add's.
Signed-off-by: Diego Biurrun <diego@biurrun.de>
12 years ago
Christophe Gisquet
e32bea8eb4
aac: avoid a memcpy in sbr_qmf_analysis
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Swapping buffer indices allows saving one memcpy that accounts for 1% of the
runtime, according to oprofile.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
12 years ago
Justin Ruggles
3d3cf6745e
aacdec: use float planar sample format for output
12 years ago
Michael Niedermayer
cf5f4c5169
aacsbr: check sample_rate before using it, fix division by 0
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
a15adabdd3
aacsbr: fix integer overflow
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Fixes CID603186
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Diego Biurrun
8f4c414df6
Improve wording and spelling of av_log_missing_feature messages.
12 years ago
Michael Niedermayer
248b1ff26b
Fix various uses of av_log_missing_feature()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
c2340831b8
aacsbr: change order of operation to prevent out of array read
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Fixes CID732250
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Mans Rullgard
d0f34c96b1
aacsbr: remove unused variables
13 years ago
Michael Niedermayer
0e3cec9f7d
aacsbr: optimize sine level addition
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Based-on commit by Måns Rullgård <mans@mansr.com>
original: 1424 decicycles in phi, 1024 runs, 0 skips
mans code: 1104 decicycles in phi, 1024 runs, 0 skips
this change: 734 decicycles in phi, 1024 runs, 0 skips
mans code: 1 file changed, 20 insertions(+), 10 deletions(-)
this change: 1 file changed, 10 insertions(+), 6 deletions(-)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Alex Converse
9fb7e14635
aacdec: More robust output configuration.
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Save the old output configuration (if it has been used
successfully) when trying a new configuration. If the new configuration
fails to decode, restore the last successful configuration.
13 years ago
Reimar Döffinger
1ac606bae6
aacsbr: silence message for SBR extension "padding".
...
Some files contain a few additional, all-0 bits.
Check for that case and don't print incorrect "not supported"
message.
Fixes trac issue #836 .
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
13 years ago
Alex Converse
b00307ecd0
aacsbr: Add a debug check to sbr_mapping.
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There have been multiple bugs caused by inconsistencies here.
Based on an idea from Michael Niedermayer.
CC: libav-stable@libav.org
13 years ago
Alex Converse
0cb93dacee
aac: Reset some state variables when turning SBR off
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This makes sure the reset flag gets set when SBR gets turned back on
and sets control variables for unguided mode back to their defaults.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
13 years ago
Ronald S. Bultje
6e2821160b
Revert "AAC SBR: group some writes."
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This reverts commit ba36f14e5d
. It
broke decoding on x86-32 on some systems.
13 years ago
Christophe Gisquet
ba36f14e5d
AAC SBR: group some writes.
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
13 years ago
Christophe Gisquet
cc412b7104
aacsbr: use a swap index for the Y matrix rather than copy buffers.
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Signed-off-by: Alex Converse <alex.converse@gmail.com>
13 years ago
Mans Rullgard
8996ed2b73
aacsbr: align some arrays
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Signed-off-by: Mans Rullgard <mans@mansr.com>
13 years ago
Mans Rullgard
aac46e088d
aacsbr: move some simdable loops to function pointers
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This prepares for assembly optimisations by moving the most
time-consuming loops to functions called through pointers
in a new context.
Signed-off-by: Mans Rullgard <mans@mansr.com>
13 years ago
Alex Converse
17ce52912f
aacsbr: prevent out of bounds memcpy().
...
Fixes Libav Bug 195.
This doesn't make the code handle sample rate or upsample/downsample
change properly but this is still a good sanity check.
Based on change by Michael Niedermayer.
Signed-off-by: Alex Converse <alex.converse@gmail.com>
13 years ago
Michael Niedermayer
944f5b2779
aacsbr: Fix memory corruption.
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Fixes Ticket760 and Ticket761
Bug Found by: Diana Elena Muscalu
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
ad51833a1a
aacsbr: prevent multiple ff_aac_sbr_ctx_init()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
abe0dbea2e
aacsbr: add a assert0 to check for a inconsistency that
...
occurd during debug. I dont know if this can happen normally but if so
it would be quite bad.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Justin Ruggles
9aa8193a23
Add floating-point sample format support to the ac3, eac3, dca, aac, and vorbis
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decoders.
Based on patches by clsid2 in ffdshow-tryout.
14 years ago
Michael Niedermayer
30fe971934
aac: add headers needed for log2f()
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
14 years ago
Michael Niedermayer
3d462373f8
aac: add math.h needed for log2f()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Mans Rullgard
26f548bb59
fft: remove inline wrappers for function pointers
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This removes the rather pointless wrappers (one not even inline)
for calling the fft_calc and related function pointers.
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Mans Rullgard
2912e87a6c
Replace FFmpeg with Libav in licence headers
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Alex Converse
4a7d992437
aac: remove dead SBR input scaling
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It has been unused since 9d06d7bce3
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 916dee9f45
)
14 years ago