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351 Commits

Author SHA1 Message Date
Carl Eugen Hoyos
37c07d4529 swscale/utils: Fix color range of gray16 
Improves rgb -> gray16 conversion

Fixes Ticket3422

The pam and png output files look visually similar, in both cases the
dynamics increase to 0x0 -> 0xfffb.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-18 22:15:15 +01:00
Jean First
1481d24c3a RGBA64 pixel formats 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2014-03-16 23:05:47 +01:00
Peter Ross
02b63246cf libswscale: bayer to rgb24 & yv12 colorspace converters 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-23 02:38:22 +01:00
Michael Niedermayer
51fed95dde swscale/utils: fix wrong deprecated message with rgb0 
Fixes Ticket3242
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-24 22:47:49 +01:00
Michael Niedermayer
037fc3b054 swscale/utils: check chroma width for fast bilinear scaler 
Fixes artifacts where fast bilinear was used for downscaling chroma

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-15 14:13:55 +01:00
Michael Niedermayer
554e913fd7 swscale/utils: remove useless () 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-15 14:10:02 +01:00
Michael Niedermayer
dc54bd4e8d swscale/utils: factor (d + 1 < 4) out 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-15 13:49:20 +01:00
Michael Niedermayer
4d18060e56 swscale/utils: fill xyz tables only when they will be used 
makes the first call to sws_getContext() 1ms faster

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-07 02:04:31 +01:00
Stefano Sabatini
2a6c95d85f lsws/utils: introduce scale_algorithms array 
Allow some dumb factorizations, slightly decrease spaghetti factor.
 2013-11-05 14:01:53 +01:00
Stefano Sabatini
246e323de8 lsws/utils: fix typo 2013-11-05 00:04:17 +01:00
Stefano Sabatini
ff9d11f95d lsws: use av_pix_fmt_get_chroma_sub_sample() 
Remove duplicated getSubSampleFactors() function. Simplify.
 2013-10-24 08:12:38 +02:00
Michael Niedermayer
eb4205cc89 swscale/utils: check mprotect() return code 
Found-by: wm4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-23 10:14:05 +02:00
Michael Niedermayer
2db6547237 swscale/utils/sws_setColorspaceDetails(): fix indention 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-17 14:02:43 +02:00
Michael Niedermayer
a830915b78 swscale: Use full resolution chroma for yuv2rgb when the input has full chroma 
See Ticket3028

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-10 17:28:59 +02:00
Michael Niedermayer
5710f55e49 Merge commit '6b3ff6f91a535d6383f41ca7bdf760165dcb6015' 
* commit '6b3ff6f91a535d6383f41ca7bdf760165dcb6015':
  swscale: provide a default scaler if none is set

Conflicts:
	libswscale/utils.c

The default is left at bicubic until someone has compared the scalers
properly speed and quality wise.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-06 11:44:05 +02:00
Vittorio Giovara
6b3ff6f91a swscale: provide a default scaler if none is set 
Lanczos for general case, sinc for upscaling, Gaussian for
downscaling. According to current literature these scalers
should be the best quality-wise algorithms for each case.

Inspired from a patch by wm4 <nfxjfg@googlemail.com>

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-10-05 18:38:55 +02:00
Michael Niedermayer
2e2a2d8801 swscale/utils: dont divide by zero with zero vectors 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-01 00:27:28 +02:00
Michael Niedermayer
2d28950da9 swscale/utils: remove redundant NULL checks before sws_freeVec() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-17 21:48:54 +02:00
Michael Niedermayer
a446657d8c swscale/utils: simplify cpu caps printing code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-17 21:31:58 +02:00
Michael Niedermayer
9d052adbeb swscale/utils: Simplify scaler name printing code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-17 21:29:42 +02:00
Michael Niedermayer
aec91de549 swscale/utils: Allow sws_setColorspaceDetails() to use the tables from sws_getColorspaceDetails() 
Previously this would have lead to a memcpy(a,a) which violates the
requirement of non overlapping src and dst.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-17 17:21:13 +02:00
Michael Niedermayer
c914c99d4b swscale/utils: use memcpy instead of loop in sws_cloneVec() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-08 16:39:38 +02:00
Michael Niedermayer
f0a3562382 Merge commit '79aec43ce813a3e270743ca64fa3f31fa43df80b' 
* commit '79aec43ce813a3e270743ca64fa3f31fa43df80b':
  x86: Add and use more convenience macros to check CPU extension availability

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-30 11:57:35 +02:00
Michael Niedermayer
01cac26f68 Merge commit '1909f6b1b6da2db371c179bed5a19aaf979b7557' 
* commit '1909f6b1b6da2db371c179bed5a19aaf979b7557':
  swscale: cosmetics: Drop silly camelCase from swScale function pointer name

Conflicts:
	libswscale/swscale_unscaled.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-29 15:56:03 +02:00
Michael Niedermayer
5ff1b588eb Merge commit 'c2503d9c8ab42ea55922e9f5a10c8bfbbbfeaf19' 
* commit 'c2503d9c8ab42ea55922e9f5a10c8bfbbbfeaf19':
  swscale: ppc: Hide arch-specific initialization details

Conflicts:
	libswscale/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-29 15:10:09 +02:00
Michael Niedermayer
29daad5b98 Merge commit 'f61bece684d9685b07895508e6c1c733b5564ccf' 
* commit 'f61bece684d9685b07895508e6c1c733b5564ccf':
  ppc: Add and use convenience macro to check for AltiVec availability

Conflicts:
	libavcodec/ppc/dsputil_ppc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-29 14:24:07 +02:00
Diego Biurrun
79aec43ce8 x86: Add and use more convenience macros to check CPU extension availability 2013-08-29 13:07:37 +02:00
Diego Biurrun
1909f6b1b6 swscale: cosmetics: Drop silly camelCase from swScale function pointer name 2013-08-29 10:23:54 +02:00
Diego Biurrun
c2503d9c8a swscale: ppc: Hide arch-specific initialization details 
Also give consistent names to init functions.
 2013-08-29 10:23:41 +02:00
Diego Biurrun
f61bece684 ppc: Add and use convenience macro to check for AltiVec availability 2013-08-28 23:54:15 +02:00
Michael Niedermayer
23b3141261 swscale: improve dither checks 
Bssed on patch by Øyvind Kolås <pippin@gimp.org>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-19 18:33:50 +02:00
Michael Niedermayer
8c50ea2251 swscale: set dither to a specific value for rgb/bgr8 output 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-19 18:31:35 +02:00
Michael Niedermayer
c14fc4585c Merge commit 'aa2ba8c99e5708884a56aea9c1d96e014866f8a3' 
* commit 'aa2ba8c99e5708884a56aea9c1d96e014866f8a3':
  swscale: Move extern declarations for tables to swscale_internal.h

Conflicts:
	libswscale/output.c
	libswscale/swscale_internal.h
	libswscale/swscale_unscaled.c
	libswscale/utils.c
	libswscale/yuv2rgb.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-16 12:56:48 +02:00
Michael Niedermayer
1e0e193240 sws: add dither enum 
This allows specifying more dither algorithms without using up flags and
without ambiguities.

Also initialize the new field based on the flags and use it.
Note, improving the logic of the checks is left to subsequent
commits, this here only switches from flags to enum.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-15 21:39:32 +02:00
Diego Biurrun
aa2ba8c99e swscale: Move extern declarations for tables to swscale_internal.h 
Also add missing ff_ prefixes where necessary.
 2013-08-15 14:38:03 +02:00
Michael Niedermayer
8d745281a4 swscale/utils: Fix potential overflow of srcPos*C before converting to 64bit 
Fixes CID1061054

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-08 02:56:26 +02:00
Michael Niedermayer
bc721ac9f7 swscale/utils: Fix potential overflow of dstPos*xInc before converting to 64bit 
Fixes CID1061053

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-08 02:51:52 +02:00
Michael Niedermayer
8efe96ee6f swscale/fill_rgb2yuv_table: fix default detection 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-27 01:11:37 +02:00
Michael Niedermayer
a7e45cfa11 swscale/sws_getColorspaceDetails: dont fail for non yuv 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-25 02:50:46 +02:00
Michael Niedermayer
436616fd42 swscale: exchange src & dst chroma pos 
Found-by: wm4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-24 22:43:50 +02:00
clook
b9b1a2c3e4 libswscale: Adding RGB => XYZ support 2013-07-23 01:02:41 +02:00
Michael Niedermayer
b405f4e916 swscale: Add support to specify chroma position 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-17 01:59:10 +02:00
Michael Niedermayer
37f4aa133d swscale: move default colorspace setup to sws_init_filter() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-16 02:44:25 +02:00
Michael Niedermayer
c75dde6074 swscale: call handle_format() from the functions that need it 
This should fix some hypothetical issues with alloc/init_context() usage

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-14 03:36:19 +02:00
Michael Niedermayer
0fc11e7bad swscale: make handle_formats() safe to be called multiple times 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-14 03:36:19 +02:00
Michael Niedermayer
d5f5e51662 swscale: move format handling to its own function 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-14 03:36:19 +02:00
Michael Niedermayer
1ba01d3d46 swscale: treat gray as a fullrage (0-255) format 
Fixes Ticket2684

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-08 15:21:48 +02:00
Hendrik Leppkes
7cdf574c22 swscale: fix filter alignment reduction without inline asm 
Fixes scaling in MSVC/ICL, where inline asm is not present, but the
YASM scaling code is.

Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-21 21:01:11 +02:00
Michael Niedermayer
a90baa63c3 add YUVJ411P 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-21 12:56:11 +02:00
Paul B Mahol
e1746d057b swscale: RGBA64 output 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-12 21:47:19 +02:00
Michael Niedermayer
63725d158d Revert "sws: support endianness conversion for AV_PIX_FMT_RGBA64" 
This reverts commit 23f7b14f28.

This commit broke fate
 2013-05-12 15:05:25 +02:00
Paul B Mahol
23f7b14f28 sws: support endianness conversion for AV_PIX_FMT_RGBA64 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-05-12 11:44:20 +00:00
Clément Bœsch
570d63eef3 lavu: add FF_CEIL_RSHIFT and use it in various places. 2013-05-09 16:59:42 +02:00
Paul B Mahol
5c057433cc libswscale: GBRAP input & output and GBRAP16 input support 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-05-08 12:48:05 +00:00
Michael Niedermayer
dce12f6948 Merge commit '9cfa21c8c2b81146aab574f55c93f27e5c2d435c' 
* commit '9cfa21c8c2b81146aab574f55c93f27e5c2d435c':
  swscale: support endianness conversion for AV_PIX_FMT_XYZ12

Conflicts:
	libswscale/swscale_unscaled.c
	libswscale/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-07 11:13:46 +02:00
Michael Niedermayer
2060d94409 Merge commit 'c1eb3e7fecdc270e03a700d61ef941600a6af491' 
* commit 'c1eb3e7fecdc270e03a700d61ef941600a6af491':
  swscale: add support for endianness only conversion

Conflicts:
	libswscale/utils.c
	libswscale/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-07 11:04:07 +02:00
Janne Grunau
9cfa21c8c2 swscale: support endianness conversion for AV_PIX_FMT_XYZ12 2013-05-06 21:48:14 +02:00
Janne Grunau
c1eb3e7fec swscale: add support for endianness only conversion 
Use bitfields in FormatEntry array to avoid wasting an int for each flag.
 2013-05-06 18:55:58 +02:00
Michael Niedermayer
d5dbd84c9a Merge commit '2b677ffca54a5fbef9c8860841c32f28ecd68f70' 
* commit '2b677ffca54a5fbef9c8860841c32f28ecd68f70':
  swscale: Add av_cold attributes to init functions missing them

Conflicts:
	libswscale/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-05 13:00:21 +02:00
Reimar Döffinger
3bb1c58e95 Avoid incorrect deprecated pixel format warning. 
Should only be printed if a "JPEG" format was used,
not for e.g. XYZ.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2013-05-05 10:01:22 +02:00
Diego Biurrun
2b677ffca5 swscale: Add av_cold attributes to init functions missing them 2013-05-04 22:48:05 +02:00
Paul B Mahol
e6d4e68755 lavu: add planar 16 bit and 8 bit rgb with alpha 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-05-03 16:58:22 +00:00
Michael Niedermayer
2514b80045 sws: share xyzgamma tables. 
They are currently always constant and thus theres no point to
store them in the context.
This makes the context 16kb smaller

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-01 17:52:18 +02:00
Michael Niedermayer
0c47c9028b sws: support xyz input 
The implementation is heavily based on Matthias Buerchers and Nicolas Bertrands vf_xyz2rgb.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-28 19:30:01 +02:00
Michael Niedermayer
45f1cf88a8 sws: remove hack to support partial convert / xyz bswaping 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-28 19:20:06 +02:00
Michael Niedermayer
2fa08abdb6 sws: enable xyz12, this for now is just for swaping between le and be 
Needed for fixing fate

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-28 15:53:20 +02:00
Michael Niedermayer
13bbfb8fda sws: Skip ff_yuv2rgb_c_init_tables() when the output is YUV 
Fixes "20bpp not supported by yuv2rgb" warning

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-16 17:50:43 +02:00
Michael Niedermayer
f05cfb654f sws/fill_rgb2yuv_table: use ROUNDED_DIV 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-16 11:33:40 +02:00
Michael Niedermayer
bcf643486f sws/fill_rgb2yuv_table: increase precission to 32bit 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-16 11:33:40 +02:00
Michael Niedermayer
2fa11a94a3 sws/fill_rgb2yuv_table: avoid 2 divisions 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-16 11:13:20 +02:00
Michael Niedermayer
3950236332 sws/x86: update RENAME(rgb24toyv12)() to using the user provided rgb2yuv table 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-15 21:44:50 +02:00
Michael Niedermayer
2a5d1cb2d9 sws/x86: update rgba->yuv to use user supplied table 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-15 01:31:01 +02:00
Michael Niedermayer
17ad06c753 sws/x86: update rgb/bgr->yuv code to use provided coefficient table 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-15 01:31:01 +02:00
Michael Niedermayer
9aafb95ae2 sws: init input_rgb2yuv_table depending on yuv colorspace 
For the default table we keep using the exact previous
coefficients, this way individual functions can be updated seperately
without breaking fate

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-15 01:30:15 +02:00
Martin Storsjö
d192ac3e03 swscale: Disallow conversion to GBRP16 
This reverts parts of d6d5ef5534, that didn't work right. (The
tests that were added failed on big endian, and the output looked
garbled on little endian as well.)

This is due to the fact that the intermediate scaling values (from
e.g. hScale8To19_c or hScale16To19_c) are stored as int32_t and
thus requires a separate output function, while yuv2gbrp_full_X_c
only interprets it as int16_t.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-02-11 20:03:16 +02:00
Michael Niedermayer
f2b89f21cc Merge commit '7b41c24c5fa221b55a9302efaf1a9eeb38b12551' 
* commit '7b41c24c5fa221b55a9302efaf1a9eeb38b12551':
  sws: dont enable chrSrcHSubSample for planar RGB

Conflicts:
	libswscale/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-10 14:07:27 +01:00
Michael Niedermayer
42431a557e Merge commit 'd6d5ef5534d582f9dbaf18ac2605cf5bb72cd821' 
* commit 'd6d5ef5534d582f9dbaf18ac2605cf5bb72cd821':
  sws: GBRP9, GBRP10, and GBRP16 output support

Conflicts:
	libswscale/output.c
	libswscale/utils.c
	tests/ref/lavfi/pixdesc
	tests/ref/lavfi/pixfmts_copy
	tests/ref/lavfi/pixfmts_null
	tests/ref/lavfi/pixfmts_scale
	tests/ref/lavfi/pixfmts_vflip

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-02-10 13:49:53 +01:00
Michael Niedermayer
7b41c24c5f sws: dont enable chrSrcHSubSample for planar RGB 
This code path is not implemented and makes not much sense to implement
either.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2013-02-09 14:31:53 -05:00
Michael Niedermayer
d6d5ef5534 sws: GBRP9, GBRP10, and GBRP16 output support 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2013-02-09 14:31:11 -05:00
Michael Niedermayer
bb2f4ae434 Merge commit '05b0998f511ffa699407465d48c7d5805f746ad2' 
* commit '05b0998f511ffa699407465d48c7d5805f746ad2':
  dsputil: Fix error by not using redzone and register name
  swscale: GBRP output support

Conflicts:
	libswscale/output.c
	libswscale/swscale.c
	libswscale/swscale_internal.h
	libswscale/utils.c
	tests/ref/lavfi/pixdesc
	tests/ref/lavfi/pixfmts_copy
	tests/ref/lavfi/pixfmts_null
	tests/ref/lavfi/pixfmts_scale
	tests/ref/lavfi/pixfmts_vflip

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-28 14:11:31 +01:00
Michael Niedermayer
4eb93bed4e swscale: GBRP output support 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2013-01-27 15:28:07 -05:00
Michael Niedermayer
3c2ecfcc24 sws: dont enable chrSrcHSubSample for planar RGB 
This code path is not implemented and makes not much sense to implement
either.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-26 20:40:44 +01:00
Michael Niedermayer
e4033d89f1 sws: GBRP9, GBRP10 GBRP12 GBRP14 output support 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-26 06:11:52 +01:00
Michael Niedermayer
61884d1985 sws: GBRP output support 
Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-26 06:11:52 +01:00
Michael Niedermayer
aef5c0b68f sws: Check for unsupported combination of ED/FULL_CHR flags 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-19 23:13:40 +01:00
Michael Niedermayer
2dc2e4f5af sws: Enable full chroma resolution when needed for ED dither 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-19 02:38:48 +01:00
Michael Niedermayer
ca447592b1 sws: rgb/bgr 4/8 error diffusion dither 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-19 02:38:48 +01:00
Michael Niedermayer
646ade7679 sws: Support error diffusion dither for mono output 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-18 23:26:00 +01:00
Michael Niedermayer
bb4fb7715c Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  swscale: fix NULL checking in sws_alloc_context()
  mxfdec: fix NULL checking in mxf_get_sorted_table_segments()
  finalize changelog for version 9

Conflicts:
	Changelog
	libavformat/mxfdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-05 13:37:30 +01:00
Xi Wang
f73f76fd20 swscale: fix NULL checking in sws_alloc_context() 
sws_getCachedContext() and sws_getContext() expect sws_alloc_context()
to return NULL when out of memory, as follows.

    if (!(context = sws_alloc_context()))
        return NULL;

This patch fixes sws_alloc_context() to return NULL in that case.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2013-01-04 20:44:00 -05:00
Michael Niedermayer
add7513e64 Merge commit 'fa8fcab1e0d31074c0644c4ac5194474c6c26415' 
* commit 'fa8fcab1e0d31074c0644c4ac5194474c6c26415':
  x86: h264_chromamc_10bit: drop pointless PAVG %define
  x86: mmx2 ---> mmxext in function names
  swscale: do not forget to swap data in formats with different endianness

Conflicts:
	libavcodec/x86/dsputil_mmx.c
	libavfilter/x86/gradfun.c
	libswscale/input.c
	libswscale/utils.c
	libswscale/x86/swscale.c
	tests/ref/lavfi/pixfmts_scale

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2012-11-01 13:11:51 +01:00
Diego Biurrun
d8eda37080 x86: mmx2 ---> mmxext in function names 2012-10-31 17:53:57 +01:00
Michael Niedermayer
4b874fc4fc Merge commit 'a65bdceb060628881578afb29df4eb222421381f' 
* commit 'a65bdceb060628881578afb29df4eb222421381f':
  x86: mmx2 ---> mmxext in variable names

Conflicts:
	libswscale/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2012-10-31 14:08:49 +01:00
Michael Niedermayer
78ec407d5a Merge commit '652f5185945c8405fc57aed353286858df8d066f' 
* commit '652f5185945c8405fc57aed353286858df8d066f':
  x86: mmx2 ---> mmxext in comments and messages

Conflicts:
	libswscale/x86/swscale_template.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2012-10-31 14:02:35 +01:00
Diego Biurrun
a65bdceb06 x86: mmx2 ---> mmxext in variable names 2012-10-31 00:37:42 +01:00
Diego Biurrun
652f518594 x86: mmx2 ---> mmxext in comments and messages 2012-10-31 00:37:42 +01:00
Michael Niedermayer
a201639a01 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  pixfmt: support more yuva formats
  swscale: support gray to 9bit and 10bit formats
  configure: rewrite print_config() function using awk
  FATE: fix (AD)PCM test dependencies broken in e519990
  Use ptrdiff_t instead of int for intra pred "stride" function parameter.
  x86: use PRED4x4/8x8/8x8L/16x16 macros to declare intrapred prototypes.

Conflicts:
	libavcodec/h264pred.c
	libavcodec/h264pred_template.c
	libavutil/pixfmt.h
	libswscale/swscale_unscaled.c
	tests/ref/lavfi/pixdesc
	tests/ref/lavfi/pixfmts_copy
	tests/ref/lavfi/pixfmts_null
	tests/ref/lavfi/pixfmts_scale
	tests/ref/lavfi/pixfmts_vflip

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2012-10-30 17:47:36 +01:00
Luca Barbato
7658295ba3 pixfmt: support more yuva formats 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2012-10-30 12:02:42 +01:00
Michael Niedermayer
8edf9b1fa4 sws: rgb has no range, avoid random results if the user tries to mess with it anyway. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-10-28 02:46:56 +02:00
Michael Niedermayer
425c30ddae sws: loose the minimum dimension checks 
A few quick tests show no fundamental problem with such diemnsions

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2012-10-27 16:54:31 +02:00