FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	91debec976	swr/resample: fix filter rounding and cliping for s32 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	f9abeecd94	swr/ build_filter: use av_calloc() fix buffer overflow Fixes integer & buffer overflow Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	167af704ea	swr: limit phase_shift to a less insane value. This prevents potential crashes and out of memory issues if the user manually sets such insane values. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	00cae86754	swr: support first_pts Trolled-by: Daemon404 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	cc4a41727e	swr: fix "may be used uninitialized in this function" warnings The uninitialized use implicates 0 channels, which is unlikely to reach this function but fixed anyway in this commit. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	55d0528669	swr/dither: fix division by 0 Found-by: Daemon404 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	d676598f87	swr: fix handling of timestamps that cause multiple drops or silence injections Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	a34aee4646	swr: limit buffer size for silence injection This reduces memory usage for unreasonable large silence injections Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	b481d09bd9	swr: limit buffer size for discarding. This prevents insane memory usage in case of insane input values. Untested due to lack of a testcase that causes such insane allocation Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	db4e0ecaf0	swr: move silence buffer to context to avoid per use malloc/free Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	dc6588421e	swr: move buffer used to discard sample to context This avoids the need to allocate & free to repeatly Fixes Ticket2122 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	c8737d348b	swr: work with 4 noise shaping coeffs at a time 63->38 kcycles Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	93bc0f0180	swr/noise_shaping_data: pad coeffs to multiple of 4 when they are 1 below This allows using code working with 4 at a time Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	ef7fdc8cff	swr: use a local variable for ns_coeffs maybe a very tiny bit faster Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	68ff7d265f	swr: use local variable for ns_errors 71 -> 63 kcycles Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	b5d9e5d06c	swr: minor simplification for the noise shaping pos update Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	a74548521b	swr: check that allocation of in/out_convert succeeded Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	e5a736261b	swr: Use a temporary buffer for dither/Noise shaping when the input is read only This avoids copying the input Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	2eec98125e	swr: mark noise data for noise shaping as const Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	558aa6cab7	swr: add seperate in/out pointers to the noise shaping code Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	fca51256d4	swr: rename dither_pos to noise_pos THis more closely matches what the field represents Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	2672b2c1d2	swr: scale data down in noise shaping to avoid cliping Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	0b60fc94aa	swr: reorder the operations in the noise shaping code Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	ead3a2a37e	swr: add noise_scale field to seperate it from the noise shaping scales Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	6908ded20e	swr: fix the noise sample type for noise shaping Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	3ef06f3415	swr: split swri_dither_init() out Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	8514d5bcf7	swr: remove unused variable Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	3ab1970612	swr: move dither related fields to their own context Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	ba1314c2ef	swr: update copyright years of a few files iam working on Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	82742294b7	swr: Implement Noise shaping dither The following variants are implemented: lipshitz noise shaping dither shibata noise shaping dither low shibata noise shaping dither high shibata noise shaping dither f-weighted noise shaping dither modified-e-weighted noise shaping dither improved-e-weighted noise shaping dither Data tables taken from SOX Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	f3c9d8d41b	swr: use SIMD for dithering Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	9aec63af9b	swr: fix assertion failure if dither is used without the preout buffer differing from in Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Alexander Strasser	ac25b31ede	lswr: Improve default resampler's default parameters After making some blind tests on a small collection of music samples for home usage. It turned out that the default cutoff was too low. The impact of filter_size was not clearly distinguishable (the results were on the edge) with the music samples but turned out to be clearly audible in some synthetic samples. Thanks to Daniel for helping out with the listening tests. Signed-off-by: Alexander Strasser <eclipse7@gmx.net>	12 years ago
Nicolas George	5f12d5ad78	lswr: improve rematrixing error message. Report channel layout/count for insufficiently determined rematrixing.	12 years ago
Rob Sykes	8d9a503313	docs: add soxr documentation Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Rob Sykes	03d38ee207	soxr_resample: soxr API parameter rename Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Rob Sykes	f2957adb23	soxr_resample: Correct email address Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	f9e55c0fed	swr: support -async X as a simple way to do what ffmpeg -async X did Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Clément Bœsch	0212c1c43d	swr/doxy: fix missing quote in code example.	12 years ago
Michael Niedermayer	d18706244f	audioconvert/arm: require alignment of 16 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	ceb9f8d927	audioconvert: support simd code with specific alignment requirements. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Rob Sykes	801b315729	swr: Add SOX resampler support Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Rob Sykes	41049d07f2	swr: add a lowpass default so that each Resampler can have its own default. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	ae5a55e77a	swr: move flush into Resampler Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	431dcc49d2	swr: make realloc_audio() available outside swresample.c Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Rob Sykes	5a5d70748c	swr: Add API to make resample engine selectable. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	5595e7a102	doxy: fix swr group name Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	b6a7f66f93	resample: remove disabled debug code Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Clément Bœsch	2273b3aaf9	swr: remove unused ONE define.	12 years ago
Stefano Sabatini	8bee8f778a	lswr/swresample: use AV_OPT_TYPE_SAMPLE_FMT for sample format options Improve usability and robustness.	12 years ago

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550 Commits (a2c912c3b6b833f2aacf414264c566f86f0a4e7c)