FFmpeg

Commit Graph

Author	SHA1	Message	Date
Diego Biurrun	42c4c2d2a6	aac: Drop broken cruft	8 years ago
Vittorio Giovara	41ed7ab45f	cosmetics: Fix spelling mistakes Signed-off-by: Diego Biurrun <diego@biurrun.de>	9 years ago
Ganesh Ajjanagadde	def3c83e1b	lavc/aacsbr: sbr_dequant optimization This uses ff_exp2fi to get a speedup (~ 6x). sample benchmark (Haswell, GNU/Linux): old: 19102 decicycles in sbr_dequant, 1023 runs, 1 skips 19002 decicycles in sbr_dequant, 2045 runs, 3 skips 17638 decicycles in sbr_dequant, 4093 runs, 3 skips 15825 decicycles in sbr_dequant, 8189 runs, 3 skips 16404 decicycles in sbr_dequant, 16379 runs, 5 skips new: 3063 decicycles in sbr_dequant, 1024 runs, 0 skips 3049 decicycles in sbr_dequant, 2048 runs, 0 skips 2968 decicycles in sbr_dequant, 4096 runs, 0 skips 2818 decicycles in sbr_dequant, 8191 runs, 1 skips 2853 decicycles in sbr_dequant, 16383 runs, 1 skips Reviewed-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>	9 years ago
Michael Niedermayer	b78885a3c5	avcodec/aacsbr: Split the env_facs table This also removes a #ifdef and special case for the fixed point case Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	58fba4b02f	avcodec/aacsbr: Replace a noise_facs_q check by an av_assert0 The replaced check should have become redundant Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	bfd0e02dd6	avcodec/aacsbr: Split pre dequantization noise factors table This allows removing a special case for the fixed point decoder and will make error checks simpler Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Djordje Pesut	f85bc147fb	avcodec: Implementation of AAC_fixed_decoder (SBR-module) Add fixed poind code. Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Djordje Pesut	5499467d5d	avcodec: Template creation for AAC decoder (SBR-module) Move the existing code to a new template file. Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	2e13a45b1a	avcodec/aacsbr: Assert that bs_num_env is positive Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	79a98294da	avcodec/aacsbr: check that the element type matches before applying SBR Fixes out of array access Fixes: signal_sigsegv_3670fc0_2818_cov_2307326154_moon.mux Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
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 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 Prevents unsigned overflow and variable truncation. Bug-Id: CID 603186	10 years ago
Reimar Döffinger	8c1ce7787a	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. 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() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Vittorio Giovara	208f3abb91	aacsbr: always initialize max_qmf_subbands 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 CC: libav-stable@libav.org Bug-Id: CID 732250	10 years ago
Vittorio Giovara	9f6f407463	aacsbr: treat 1-d arrays as such 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. 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 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()" 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 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() 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 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Mirjana Vulin	8d2eb5fe58	mips: optimization for float aac decoder (sbr module) 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. 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 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 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 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 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() 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 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 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. 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. 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 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." This reverts commit `ba36f14e5d`. It broke decoding on x86-32 on some systems.	13 years ago
Christophe Gisquet	ba36f14e5d	AAC SBR: group some writes. 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. Signed-off-by: Alex Converse <alex.converse@gmail.com>	13 years ago
Mans Rullgard	8996ed2b73	aacsbr: align some arrays Signed-off-by: Mans Rullgard <mans@mansr.com>	13 years ago
Mans Rullgard	aac46e088d	aacsbr: move some simdable loops to function pointers 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

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122 Commits (b613245c9715c34358522737bf0cf6a4f9392ca3)