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24 Commits

Author SHA1 Message Date
Michael Niedermayer
d7573f88a9 swresample/resample: use av_malloc_array() where appropriate 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 5027f39712fdce25b9008e72d52e5abfeefd5fe6)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-23 15:14:40 +02:00
Michael Niedermayer
81e5ce4c28 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>
(cherry picked from commit f9158b01d0f3effb58e87fb07db0382bc1e47de5)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-23 15:14:40 +02:00
Michael Niedermayer
9d89d1d484 swr/resample: mark mm_flags as potentially unused 
They are unused when asm is disabled

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-09-13 19:31:02 +02:00
Michael Niedermayer
070b0e1c77 libswr: remove redundant ARCH_X86, MMX* implicates X86 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-09-07 22:31:37 +02:00
Derek Buitenhuis
5f256f9df2 swsresample: Fix unprotected inline asm 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-09-07 22:29:02 +02:00
Michael Niedermayer
4814326533 swr/resample: update SSSE3 flag to new name 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-09-01 01:29:36 +02:00
Michael Niedermayer
4ec03d1386 bessel: check that the function terminates as expected by av_assert2(). 
A clear abort is better than wrong output and a possible crash.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-08-09 01:44:15 +02:00
Justin Ruggles
7e15df7551 swr: resampling: add filter type and Kaiser window beta to AVOptions 2012-07-23 19:23:39 +02:00
Michael Niedermayer
51d2578348 swr: fix MMX resample code, add emms 
Fixes Ticket1495

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-06-30 21:27:39 +02:00
Michael Niedermayer
782763ed2b swr: fix compilation with ancient toolchain that doesnt support SSSE3 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-06-28 11:13:19 +02:00
Michael Niedermayer
4ccf6e3971 swr: MMX2 & SSSE3 int16 resample core 
about 4 times faster

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-06-28 00:36:27 +02:00
Michael Niedermayer
0c142e4cda swr: introduce filter_alloc in preparation of SIMD resample optimisations 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-06-19 03:09:24 +02:00
Michael Niedermayer
4def5d2b64 swr: add swr_get_delay() to find the exact delay the swresampler introduces. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-05-18 23:02:10 +02:00
Michael Niedermayer
edbde52226 swr: change sample format representation so as to maintain the planer/packed distinction. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-28 13:02:58 +02:00
Michael Niedermayer
f9a2c5bc07 swr: simplify code by using av_get_bytes_per_sample() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-11 10:02:00 +02:00
Michael Niedermayer
24ab1abfb6 resample: support double precission resampling 
This commit is dedicated to the audiophiles who can hear it when a
needle is dropped on the moon.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-10 13:48:55 +02:00
Michael Niedermayer
7f1ae79d38 swr: support float & int32 in the resampler 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-10 13:18:49 +02:00
Michael Niedermayer
2f0801527d resample: update copyright years, they where incorrect. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-10 12:35:37 +02:00
Michael Niedermayer
7e592379d9 resample: Fix boundary handling with fragments. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-03-25 10:34:06 +02:00
Marton Balint
741aca7936 libswresample: introduce int swr_set_compensation() instead of void swr_compensate() 
The new version returns AVERROR(EINVAL) is the specified paramters are invalid,
and also creates the resampler if none was used so far.

Signed-off-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-01-09 04:16:06 +01:00
Clément Bœsch
af1eb298c1 swr: use int16_t instead of short for resampling. 2011-11-17 10:16:07 +01:00
Clément Bœsch
c4deb90cfa swr: use "swri_" prefix instead of "swr_" for the private API. 2011-11-17 10:16:07 +01:00
Clément Bœsch
64db5a1a57 swr: drop 'AV' prefix from ResampleContext. 
This type/struct is not part of the public API.
 2011-11-17 10:16:07 +01:00
Clément Bœsch
7e516a11ca swr: rename resample2 to resample. 2011-11-16 07:27:20 +01:00