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72 Commits

Author SHA1 Message Date
Michael Niedermayer
aab5a4521c swr: add and use function pointers for rematrix 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-05-01 20:20:21 +02:00
Michael Niedermayer
00fea26faf swr: add native matrix for rematrixing 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-05-01 20:19:28 +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
7c673d73ec swr: use assert in swri_sum2 to check that only supported formats are used. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-10 19:54:42 +02:00
Michael Niedermayer
db2eadb2f5 swr: add dither support. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-10 19:54:41 +02:00
Michael Niedermayer
5c1f312888 swr: update copyright year for rematrix 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-10 19:54:41 +02:00
Nicolas George
a8cdb7b95a swr: special case for empty channels in rematrix. 
Speed += 10% overall for pan=stereo:FL=FL+FR from wav to null.
 2012-03-07 23:56:00 +01:00
Nicolas George
560b224f53 libswr: allow to set custom matrices. 2012-02-20 20:46:35 +01:00
Clément Bœsch
c4deb90cfa swr: use "swri_" prefix instead of "swr_" for the private API. 2011-11-17 10:16:07 +01:00
Michael Niedermayer
2f86566a31 rematrix: add parameter to tune volume 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-26 00:46:46 +02:00
Michael Niedermayer
b1470d7a60 rematrix: change type of integers from 16 to 32bit to allow increasing volume with it. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-26 00:46:46 +02:00
Michael Niedermayer
1e40b2c22b rematrix: add type for coefficients 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-26 00:46:46 +02:00
Michael Niedermayer
76dbb0905a rematrix: Fix several passing argument from incompatible pointer type warnings. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-21 00:28:03 +02:00
Clément Bœsch
9719f25e7b swresample: fix broken indent. 2011-10-10 09:57:41 +02:00
Michael Niedermayer
355cc1a052 swresample/rematrix: show matrix with debug log level 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-07 13:51:40 +02:00
Nicolas George
a34869ed7d libswr/rematrix: remove unused variable. 
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-09-28 16:11:01 +02:00
Nicolas George
80287854c2 libswr/rematrix: add braces to silence a warning. 
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-09-28 16:11:01 +02:00
Michael Niedermayer
8593b743a8 rematrix: dont use floats for int16 code. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-09-19 09:25:50 +02:00
Michael Niedermayer
c3c1af6dc6 rematrix: use double during init. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-09-19 08:44:49 +02:00
Michael Niedermayer
1133676f4a swr: replace sqrt(0.5) by M_SQRT1_2 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-09-19 08:44:24 +02:00
Michael Niedermayer
b5875b9111 Add libswresample. 
Similar to libswscale this does resampling and format convertion, just for audio
instead of video.
changing sampling rate, sample formats, channel layouts and sample packing all
in one with a very simple public interface.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-09-19 07:04:17 +02:00