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45 Commits

Author SHA1 Message Date
Michael Niedermayer
a66be60888 swresample: add swr_is_initialized() 
Idea-from/based-on: 7e86c27b4ee9e5a3fbe6cf5249b9d918b2a5e731
Reviewed-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-24 08:23:22 +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
Clément Bœsch
a89e9ad1c8 swr: fix example code and doxy indent. 2013-09-29 23:37:46 +02:00
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
Clément Bœsch
0212c1c43d swr/doxy: fix missing quote in code example. 2012-12-16 21:04:54 +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
5a5d70748c swr: Add API to make resample engine selectable. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-11 22:04:00 +01:00
Michael Niedermayer
5595e7a102 doxy: fix swr group name 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-12-11 01:53:18 +01:00
Stefano Sabatini
8bee8f778a lswr/swresample: use AV_OPT_TYPE_SAMPLE_FMT for sample format options 
Improve usability and robustness.
 2012-12-03 13:49:56 +01:00
Clément Bœsch
52b7823b73 swr: include stdint.h instead of inttypes.h. 
stdint.h is for the [u]int*_t types, which is the only thing we need for
the prototypes. inttypes.h includes stdint.h and defines more thing we
don't need here.

Bump micro in case a user app was relying on this include for its own
code.
 2012-11-20 21:53:06 +01:00
Clément Bœsch
186942a5e3 swr: fix a few typo in the public header. 2012-11-20 20:29:05 +01:00
Michael Niedermayer
156a75a459 swr-doxy: elaborate on swr_get_delay() and the timebase 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-11-20 20:05:08 +01:00
Michael Niedermayer
7cca237ddd swr: general doxy text about swr and example code. 
Based on doxy from avr
Reviewed-by: Clément Bœsch
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-11-20 19:46:08 +01:00
Stefano Sabatini
7be09a91c2 lswr/swresample.h: use consistent inclusion guard header name 2012-11-03 12:06:43 +01:00
jamal
b75c3d2b8b swresample: Create version.h header 
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-09-28 15:10:36 +02:00
Michael Niedermayer
323d912010 swr: update copyright years 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-09-07 00:29:06 +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
72a242c998 swr: add swr_next_pts() 
parameter descriptions partly reuse text from af_asyncts

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-05-19 19:23:37 +02:00
Michael Niedermayer
f88f705abc swr: add swr_drop_output() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-05-19 19:23:37 +02:00
Michael Niedermayer
7a59964ba9 swr: add swr_inject_silence() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-05-19 19:23:37 +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
f8a237a307 swr: add triangular highpass dither 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-11 13:27:22 +02:00
Michael Niedermayer
22057e8ecb swr: add swr_get_class() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-11 13:25:56 +02:00
Michael Niedermayer
b1ef4dc406 swr: add triangular dither support 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-04-10 21:18:33 +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
1b0fcf33b8 swr: More flexible and convenient buffering 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-03-25 21:49:42 +02:00
Michael Niedermayer
15890d67c1 swr: drop SWR_CH_MAX with the next major ABI bump 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-03-24 23:20:46 +01:00
Michael Niedermayer
947215a261 swr: dont use SWR_CH_MAX in the public function declaration. 
This change should make no binary difference to the generated code.
the API version is just bumped for correctness sake, this is not
really a API or ABI change.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-03-24 23:03:17 +01:00
Michael Niedermayer
1937c4e0b9 swr: make SwrContext a typedef. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-03-24 22:56:24 +01:00
Michael Niedermayer
74656bdd4c swresample: support up to 32 channels 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-03-24 22:38:14 +01:00
Carl Eugen Hoyos
7b4e1466d4 Exit ffmpeg if swr_convert() fails. 2012-02-27 19:02:28 +01:00
Nicolas George
560b224f53 libswr: allow to set custom matrices. 2012-02-20 20:46:35 +01:00
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
Michael Niedermayer
320b8d6335 swr: fix swresample_version() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-12-23 23:26:02 +01:00
Michael Niedermayer
3339f87dbd swr: increase LIBSWRESAMPLE_VERSION_MICRO to 100 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-12-22 03:09:41 +01:00
Michael Niedermayer
4468ad827a swr: add swresample_version swresample_configuration and swresample_license 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-12-22 03:08:47 +01:00
Clément Bœsch
58205edcc6 swr: use native planar sample formats. 2011-11-24 16:55:45 +01:00
Clément Bœsch
eafa2b6005 swr: introduce a public function to customize the channel mapping. 2011-11-17 18:30:03 +01:00
Clément Bœsch
68d3144e89 swr: doxycomment public API. 2011-11-17 17:56:55 +01:00
Clément Bœsch
809631af1a swr: bump minor version. 2011-11-17 10:16:07 +01:00
Clément Bœsch
645c61fb2b swr: rename swr_alloc2() to swr_alloc_set_opts(). 2011-11-17 10:16:07 +01:00
Clément Bœsch
f5cd136f2b ffmpeg: add -map_channel option. 
Based on an initial work by Baptiste Coudurier.
 2011-11-04 19:40:32 +01:00
Michael Niedermayer
5cd1580ff8 swr: document how flushing works and bump minor version. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-04 16:34:39 +01:00
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