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453 Commits

Author SHA1 Message Date
James Almer
4cdea92976 swresample/resample: add missing xmm clobbers 
Might fix fate-swr on ICL

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-05-07 01:32:40 +02:00
Michael Niedermayer
68c3e6025f Fix convertion typos 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-29 00:09:08 +02:00
James Almer
cdac3ab59f swresample: add swri_resample_double_sse2 
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-25 16:46:07 +02:00
Michael Niedermayer
291d464161 swresample: fix AV_CH_LAYOUT_STEREO_DOWNMIX input 
Fixes Ticket 3542

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-24 01:25:46 +02:00
Michael Niedermayer
2b58c9c945 swresample/resample_template: try to consider src_size more exactly 
This should avoid slight differences in the output causes by input
size alignment differences between archs

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-15 06:35:35 +02:00
Michael Niedermayer
5e379cd3ee swresample/resample: simplify index/consumed calculation for the filter = 1 case 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-14 02:23:04 +02:00
Michael Niedermayer
6c8ee74af2 swresample/resample: Fix fractional part of index in the filter_size = 1 filters = 1 case 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-14 02:22:17 +02:00
Michael Niedermayer
5027f39712 swresample/resample: use av_malloc_array() where appropriate 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-08 00:29:26 +02:00
Michael Niedermayer
a5290cb1ac swresample/dither: use av_malloc_array() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-08 00:29:20 +02:00
Michael Niedermayer
f9158b01d0 swresample/resample: Limit filter length 
Related to CID1197063

The limit choosen is arbitrary and much larger than what makes sense.
It avoids the need for checking arithmetic operations with the length for overflow

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-08 00:25:49 +02:00
James Almer
63dbba655e swresample/resample: sse float linear interpolation 
About two times faster

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-24 02:34:02 +01:00
James Almer
fa25c4c400 swresample/resample: mmx2/sse2 int16 linear interpolation 
About three times faster

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-24 02:33:16 +01:00
James Almer
32291ba6ea swresample: add swri_resample_float_sse 
At least two times faster than the C version.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-20 06:01:06 +01:00
Matt Oliver
8236747511 Automatically change MANGLE() into named inline asm operands when direct symbol reference in inline asm are not supported. 
This is part of the patch-set for intel C inline asm on windows support

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-18 23:39:30 +01:00
James Almer
3d48cbc56c swresample: reuse COMMON_CORE asm where possible 
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-18 16:08:34 +01:00
James Almer
7c8bf09edd swresample: change COMMON_CORE_INT16 asm from SSSE3 to SSE2 
pshuf+paddd is slightly faster than phaddd.
The real gain is in pre-ssse3 processors like AMD K8 and K10, which get
a big boost in performance compared to the mmxext version

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-18 15:00:50 +01:00
Michael Niedermayer
6c6e4dd139 swr: check that the context for swr_convert() has been initialized 
Reviewed-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-24 08:23:42 +01:00
Michael Niedermayer
a66be60888 swresample: add swr_is_initialized() 
Idea-from/based-on: 7e86c27b4e
Reviewed-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-24 08:23:22 +01:00
Michael Niedermayer
f284e2a58a swresample: factorize clear_context() out 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-22 21:36:30 +01:00
Reimar Döffinger
e535897fad Fix libswresample compilation with Apple Neon assembler. 
Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
 2014-02-17 17:40:10 +01:00
Martin Storsjö
3dd04cbcf7 swresample: Add arm&x86 clobber tests 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-18 18:38:57 +01:00
Reimar Döffinger
cbeaf67888 Avoid using empty macro arguments. 
These are not supported by all compilers (gcc 2.95 but also older SPARC
compilers, see gcc bug #33304 for example), and there is no real need for them.
One use of this feature remains in libavdevice/v4l2.c which can't be
replaced quite as easily.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2013-12-31 12:19:59 +01:00
Stefano Sabatini
334e2e2363 lavu,lavc,lswr: do not hardcode AV_SAMPLE_FMT_NB value when setting sample format max value 
The constant may change in libavutil but the library may be compiled
against an older version, thus rejecting a value which is otherwise
supported by the new libavutil.

INT_MAX is used here to denote the max allowed value for a sample format.

The opt-test code is changed to provide a valid reference example.
 2013-12-26 11:35:27 +01:00
James Almer
56572787ae Add Windows resource file support for shared libraries 
Originally written by James Almer <jamrial@gmail.com>

With the following contributions by Timothy Gu <timothygu99@gmail.com>

* Use descriptions of libraries from the pkg-config file generation function
* Use "FFmpeg Project" as CompanyName (suggested by Alexander Strasser)
* Use "FFmpeg" for ProductName as MSDN says "name of the product with which the
  file is distributed" [1].
* Use FFmpeg's version (N-xxxxx-gxxxxxxx) for ProductVersion per MSDN [1].
* Only build the .rc files when --enable-small is not enabled.

[1] http://msdn.microsoft.com/en-us/library/windows/desktop/aa381058.aspx

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-05 23:42:07 +01:00
Michael Niedermayer
a6af5da7a2 swresample: use the internal buffer for resampling the last few samples 
Fixes out of array read
Fixes Ticket3193

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-04 20:40:42 +01:00
Nicolas George
4a640a6ac8 lswr: fix assert failure on unknown layouts. 2013-11-03 10:30:37 +01:00
Stefano Sabatini
904c89ac1b lswr/swresample: convert ocl and icl options to AV_OPT_TYPE_CHANNEL_LAYOUT 
Improve interface flexibility. In particular makes it possible to set
channel layout through symbolic names using the av_opt_set() interface.
 2013-10-17 18:09:54 +02:00
Ronald S. Bultje
ad75d2b590 x86: Fix compilation with nasm on PPC & OS/2 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-08 12:36:19 +02:00
Clément Bœsch
a89e9ad1c8 swr: fix example code and doxy indent. 2013-09-29 23:37:46 +02:00
Michael Niedermayer
9078b40d35 swresample: replace 2 av_free() by av_freep() 
avoids leaving stale pointers in memory

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-16 22:44:15 +02:00
Michael Niedermayer
c56d4dab03 swr/rematrix: Fix handling of AV_CH_LAYOUT_STEREO_DOWNMIX output 
Fixes Ticket2859

Note, testcases related to the downmix channels are welcome.
(id like to make sure this is working correctly now, as obviously it didnt
 work before ...)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-20 16:56:51 +02:00
Michael Niedermayer
6dfffe9200 swr: clean layouts before checking sanity 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-20 16:49:31 +02:00
Michael Niedermayer
7ac12599fe swresample: fix negative rematrix volumns 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-22 03:24:22 +02:00
Michael Niedermayer
e2b718464e swresample: Make rematrix maxvalue user settable 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-22 03:23:54 +02:00
Timothy Gu
a9bbf59be7 cosmetics: Fix "dont" "wont" "doesnt" typos 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-29 02:31:16 +02:00
Michael Niedermayer
ca2818b881 swresample/x86/audio_convert: add emms to CONV 
Might fix Ticket1874

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-18 02:26:36 +02:00
Michael Niedermayer
d62030ffca swresample/rematrix_template: Fix integer overflow in mix8to2 
Fixes: CID1030352
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-10 03:03:17 +02:00
Michael Niedermayer
b04bbe6b86 swresample/rematrix_template: Fix integer overflow in mix6to2 
Fixes: CID1030351
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-10 03:03:12 +02:00
Michael Niedermayer
3289670142 swr: dont treat 32 and 24 as equal in simple copy check 
Fixes dithering from 32 to 24 bit

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-05 03:06:34 +02:00
Michael Niedermayer
6bc4e36ba7 swr: set scale for 32->32/24 dither 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-05 03:06:34 +02:00
Paul B Mahol
0804171104 swresample: set flags & description and add documentation for output_sample_bits 
Allows users to actually use such option.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-06-04 21:57:25 +00:00
Michael Niedermayer
495bf1b685 swr: Fix dithering of s16 with SIMD 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-04 23:50:45 +02:00
Michael Niedermayer
4cfc92081d swr: add native_simd_one 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-04 23:50:45 +02:00
Michael Niedermayer
b84de51f54 swresample/rematrix: add S32 mixing code 
Needed for dithering S32

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-04 15:12:11 +02:00
Michael Niedermayer
f3c638eac1 wresample/rematrix_template: fix internal types 
Should make no difference, but future commits will need it

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-04 15:12:11 +02:00
Michael Niedermayer
6e29f39252 swr/rematrix: use av_calloc() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-15 20:31:06 +02:00
Michael Niedermayer
03148fd174 buildsys: only include log2_tab per library for shared builds 
Fix linking failures with -all_load due to multiple log2_tabs

Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
 2013-03-04 12:25:02 +01:00
Rob Sykes
dc666d360b soxr: libsoxr 0.1.1 support 
Libsoxr 0.1.1 will be out very soon; no changes planned beyond what's currently in git.
It includes a couple of fixes (not affecting FFmpeg's current usage) and a minor API change (but remains ABI compatible).

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-03-01 14:38:02 +01:00
Michael Niedermayer
35aaa306ac swr: make the default of nopts for first_pts actually work 
Fixes Ticket2210

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-25 04:39:26 +01:00
Michael Niedermayer
8b3affda87 swr: support a seperate output sample bits. 
This avoids user apps having to mangle dither scale. for pcm24

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-24 20:31:56 +01:00
Michael Niedermayer
2abbe6d07a swr: add duplicate cutoff for compatibility 
Based on
	commit 50f4337a2f
	Author: Justin Ruggles <justin.ruggles@gmail.com>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-24 20:31:56 +01:00
Michael Niedermayer
21cd905cd4 swr: check channel layouts before using them. 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-13 17:50:24 +01:00
Michael Niedermayer
b5f544a0f9 swr: Dont use floats for S32->S32 when possible 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-04 04:11:46 +01:00
Michael Niedermayer
be989f9236 swr: reorder init code to make rematrix status available earlier 
This also makes some other fields available earlier which may
be usefull one day

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-04 04:05:59 +01:00
Michael Niedermayer
24244cec2f swr-test: Fix clip to 32bit 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-04 04:05:59 +01:00
Michael Niedermayer
b8c55590d5 swr/resample: fix integer overflow, add missing cast 
The effects of this are limited to numeric errors in the output

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-04 04:05:59 +01:00
Michael Niedermayer
91debec976 swr/resample: fix filter rounding and cliping for s32 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-04 04:05:59 +01:00
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>
 2013-01-27 05:58:47 +01:00
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>
 2013-01-27 05:54:52 +01:00
Michael Niedermayer
00cae86754 swr: support first_pts 
Trolled-by: Daemon404
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-21 00:52:14 +01:00
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>
 2013-01-20 17:09:48 +01:00
Michael Niedermayer
55d0528669 swr/dither: fix division by 0 
Found-by: Daemon404
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-14 02:57:00 +01:00
Michael Niedermayer
d676598f87 swr: fix handling of timestamps that cause multiple drops or silence injections 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-13 18:39:06 +01:00
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>
 2013-01-13 16:04:41 +01:00
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>
 2013-01-13 16:04:41 +01:00
Michael Niedermayer
db4e0ecaf0 swr: move silence buffer to context to avoid per use malloc/free 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-13 15:28:00 +01:00
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>
 2013-01-13 15:28:00 +01:00
Michael Niedermayer
c8737d348b swr: work with 4 noise shaping coeffs at a time 
63->38 kcycles

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-12 19:17:08 +01:00
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>
 2013-01-12 19:09:54 +01:00
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>
 2013-01-12 17:43:29 +01:00
Michael Niedermayer
68ff7d265f swr: use local variable for ns_errors 
71 -> 63 kcycles

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-12 17:43:29 +01:00
Michael Niedermayer
b5d9e5d06c swr: minor simplification for the noise shaping pos update 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-12 17:43:29 +01:00
Michael Niedermayer
a74548521b swr: check that allocation of in/out_convert succeeded 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-10 20:27:07 +01:00
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>
 2013-01-10 18:51:30 +01:00
Michael Niedermayer
2eec98125e swr: mark noise data for noise shaping as const 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-10 18:07:32 +01:00
Michael Niedermayer
558aa6cab7 swr: add seperate in/out pointers to the noise shaping code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-10 18:06:19 +01:00
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>
 2013-01-10 18:01:26 +01:00
Michael Niedermayer
2672b2c1d2 swr: scale data down in noise shaping to avoid cliping 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-10 01:44:15 +01:00
Michael Niedermayer
0b60fc94aa swr: reorder the operations in the noise shaping code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-10 00:27:04 +01:00
Michael Niedermayer
ead3a2a37e swr: add noise_scale field to seperate it from the noise shaping scales 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-10 00:25:09 +01:00
Michael Niedermayer
6908ded20e swr: fix the noise sample type for noise shaping 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-09 23:28:09 +01:00
Michael Niedermayer
3ef06f3415 swr: split swri_dither_init() out 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-09 23:28:08 +01:00
Michael Niedermayer
8514d5bcf7 swr: remove unused variable 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-09 18:41:40 +01:00
Michael Niedermayer
3ab1970612 swr: move dither related fields to their own context 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-09 18:41:12 +01:00
Michael Niedermayer
ba1314c2ef swr: update copyright years of a few files iam working on 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-09 18:30:01 +01:00
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>
 2013-01-09 18:25:06 +01:00
Michael Niedermayer
f3c9d8d41b swr: use SIMD for dithering 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-09 02:05:35 +01:00
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>
 2013-01-08 20:07:16 +01:00
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>
 2013-01-04 16:47:57 +01:00
Nicolas George
5f12d5ad78 lswr: improve rematrixing error message. 
Report channel layout/count for insufficiently determined
rematrixing.
 2012-12-31 18:43:04 +01:00
Rob Sykes
8d9a503313 docs: add soxr documentation 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-27 12:13:17 +01:00
Rob Sykes
03d38ee207 soxr_resample: soxr API parameter rename 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-27 11:59:55 +01:00
Rob Sykes
f2957adb23 soxr_resample: Correct email address 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-27 11:58:16 +01:00
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>
 2012-12-25 17:21:09 +01:00
Clément Bœsch
0212c1c43d swr/doxy: fix missing quote in code example. 2012-12-16 21:04:54 +01:00
Michael Niedermayer
d18706244f audioconvert/arm: require alignment of 16 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-14 04:49:09 +01:00
Michael Niedermayer
ceb9f8d927 audioconvert: support simd code with specific alignment requirements. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-14 04:47:17 +01:00
Rob Sykes
801b315729 swr: Add SOX resampler support 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-11 22:04:00 +01:00
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>
 2012-12-11 22:04:00 +01:00
Michael Niedermayer
ae5a55e77a swr: move flush into Resampler 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-11 22:04:00 +01:00