365 Commits

Author SHA1 Message Date
Michael Niedermayer
65889b62b3 swresample/swresample: fix sample drop loop end condition
Fixes Ticket3985

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit f9fefa499f0af48f47ea73c8ce0b25df0976c315)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-10-06 01:31:39 +02:00
Michael Niedermayer
c7e9626b7b swresample: fix AV_CH_LAYOUT_STEREO_DOWNMIX input
Fixes Ticket 3542

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 291d464161a5bf3b566bc147f83e4242b0c18d74)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-23 18:17:42 +02:00
Michael Niedermayer
4065e55759 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 18:16:20 +02:00
Michael Niedermayer
fe97363c38 swresample/dither: use av_malloc_array()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit a5290cb1ac047851563da7aca06569e3ada55f79)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-23 18:16:20 +02:00
Michael Niedermayer
ce95904013 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 18:16:20 +02:00
Michael Niedermayer
c55a09a8b6 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>
(cherry picked from commit c56d4dab039b352961cca298d753b04e2f2fd990)
2013-08-20 18:42:44 +02:00
Michael Niedermayer
a94404457b swr: clean layouts before checking sanity
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6dfffe92004dfd8c79d18791f28a2b1c7e387845)
2013-08-20 18:42:40 +02:00
Michael Niedermayer
ae93d3405e swresample/x86/audio_convert: add emms to CONV
Fixes ticket #1874

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ca2818b88155029bb6f989ee522e7f8e9e9f5927)
2013-06-18 02:52:30 +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 50f4337a2fd3b571b38c9475981e36405d1ca1e1
	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