f44d50a94c
swscale: fix 16-bit horizontal scaling underflow.
...
When using e.g. lanczos scaling, values can drop below 0, so they
should never be unsigned.
2011-07-08 15:15:30 -07:00
42d622fab3
swscale: fix 16-bit scaling when output is 8-bits.
...
We would use the second half of the U plane buffer, rather than the
V plane buffer, to output the V plane pixels.
2011-07-08 15:15:30 -07:00
f28aaae1c5
swscale: amend documentation to mention use of native depth for scaling.
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
2011-07-06 03:33:36 +02:00
e589e4b82d
Remove unused static tables and static inline functions.
2011-07-04 14:59:35 +02:00
abc78a5a7c
Do not include log.h in avutil.h
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-07-03 21:42:07 +01:00
d49ea4afb4
Do not include pixfmt.h in avutil.h
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-07-03 21:42:07 +01:00
01c17c88ed
doxygen: Remove spurious documentation for non-existing function parameters.
2011-07-03 18:30:02 +02:00
8f440223f6
swscale: disable full_chroma_int when converting to non-24/32bpp RGB.
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This functionality is only implemented for RGB24/32 and causes crashes
otherwise.
2011-07-02 08:33:52 -07:00
8a8d0ce208
swscale: for >8bit scaling, read in native bit-depth.
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For 9/10bit, it means we don't have to upscale to 16bit before
actual scaling or pixel format conversion, and thus a performance
gain.
2011-07-01 09:08:26 -07:00
81cc7d0bd1
swscale: fix another yuv range conversion overflow in 16bit scaling.
2011-06-30 07:05:52 -07:00
705b21a06e
swscale: Unbreak build with --enable-small
...
This fixes building with --enable-small, by using the correct
variable name.
Signed-off-by: Martin Storsjö <martin@martin.st>
2011-06-30 11:58:38 +03:00
e0b8fff6c7
swscale: fix yuv range correction when using 16-bit scaling.
2011-06-29 21:04:45 -07:00
ef1ee362b3
swscale: implement >8bit scaling support.
...
This means that precision is retained when scaling between sample
formats with >8 bits per component (48bit RGB, 16bit grayscale,
9/10/16bit YUV).
2011-06-29 09:45:52 -07:00
4578435f35
swscale: Add Doxygen for hyscale_fast/hScale.
2011-06-29 01:20:34 +02:00
635930d466
PPC: swscale: disable altivec functions for unsupported formats
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Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-06-28 23:22:31 +01:00
d6cc6ac6b8
swscale: Add Doxygen for yuv2planar*/yuv2packed* functions.
2011-06-28 20:18:58 +02:00
57b4a3dd2b
build: include sub-makefiles using full path instead of symlinks
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Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-06-28 18:15:19 +01:00
13a099799e
swscale: change prototypes of scaled YUV output functions.
...
Remove unused variables "flags" and "dstFormat" in yuv2packed1,
merge source rows per plane for yuv2packed[12], and make every
source argument int16_t (some where invalidly set to uint16_t).
This prevents stack pollution and is part of the Great Evil Plan
to simplify swscale.
2011-06-27 21:24:44 -07:00
dff5a83532
swscale: re-add support for non-native endianness.
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This works through some non-obvious hacks in utils.c.
2011-06-27 18:10:41 -07:00
3d3c814937
swscale: disentangle yuv2rgbX_c_full() into small functions.
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This is part of the Great Evil Plan to simplify swscale.
2011-06-27 18:10:24 -07:00
6fba14eecb
swscale: split yuv2packed[12X]_c() remainders into small functions.
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This is part of the Great Evil Plan to simplify swscale.
2011-06-27 18:10:03 -07:00
dc179ec819
swscale: split yuv2packedX_altivec in smaller functions.
...
This will likely lead to a considerable performance boost,
since it removes a branch from the inner loop. Part of the
Great Evil Plan to simplify swscale.
2011-06-27 18:05:16 -07:00
0d994b2f45
swscale: don't use planar output functions to write to NV12/21.
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This prevents a crash when converting to NV12/21 without the bitexact
flags enabled.
2011-06-27 17:15:41 -07:00
97535ffb97
swscale: remove unused xInc/srcW arguments from hScale().
2011-06-26 14:41:44 -07:00
a6213f3dce
build: Remove redundant config.mak includes from subdirectory Makefiles.
...
Calling Make from subdirectories is not supported and config.mak has
multiple inclusion guards anyway, so the top-level include is enough.
2011-06-25 13:02:51 +02:00
087d93f568
swscale: Remove unused variable from ff_bfin_get_unscaled_swscale().
2011-06-21 20:53:52 +02:00
0793531859
Bump major version for b8e893399f
...
On architectures such as x86 (both 32 bit and 64bit), the stack element
size is fixed, which maintains alignment. Here, this change does not
break anything. However, we also support also other architectures where
this property is not maintained and therefore, applications will crash
horribly.
This change effectively forces all applications to be recompiled against
libswscale.
2011-06-20 18:01:39 +02:00
3636e791ec
swscale: use SwsContext for av_log when available
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
2011-06-15 13:20:20 +02:00
a60466dbc3
swscale: Remove HAVE_MMX from files that are only compiled with MMX enabled.
2011-06-15 01:18:10 +02:00
97e057ff81
swscale: Fix compilation with --disable-mmx2.
...
Some MMX2 functions were being referenced without proper #ifdefs.
2011-06-15 01:17:59 +02:00
4e05830205
swscale: remove misplaced comment.
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The comment should have been placed only in
yuv2rgb48_X_c_template, not yuv2rgb48_1_c_template.
2011-06-14 16:55:24 -04:00
9f63211175
swscale: split out RGB48 output functions from yuv2packed[12X]_c().
...
This is part of the Great Evil Plan to simplify swscale. Note that
you'll see some code duplication between the output functions for
different RGB variants, and even between packed-YUV and RGB
variants. This is intentional because it improves readability.
2011-06-14 15:59:14 -04:00
0af8a71d66
swscale: fix JPEG-range YUV scaling artifacts.
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YUV planes were marked as uint16_t, but they contained signed data.
Fixes issue 1108 and 675.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-06-14 09:46:49 -04:00
103278f7b0
libavutil/swscale: YUV444P10/YUV444P9 support.
...
Also add missing glue code for recently added YUV422P10 formats
to swscale.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-06-10 15:12:24 -04:00
af2faf2076
swscale: split YUYV output out of yuv2packed[12X]_c().
...
This is part of the Great Evil Plan to simplify swscale.
2011-06-09 20:52:38 -04:00
6b105e3ee6
swscale: extract monowhite/black output from yuv2packed[12X]_c().
...
This is part of the Great Evil Plan to simplify swscale.
2011-06-09 16:47:45 -04:00
6d4d483eee
swscale: de-macro'ify RGB15/16/32 input functions.
...
Inline functions are easier to read, maintain, modify and test,
which justifies the slightly increased source size. This patch
also adds support for non-native endianness RGB15/16 and fixes
isSupportedOutput() to no longer claim that we support writing
non-native RGB565/555/444.
2011-06-09 16:47:45 -04:00
e2babb9b47
swscale: rearrange code.
...
This way the code in the file is less cluttered all-over-the-
place.
2011-06-09 16:47:45 -04:00
dbd3183935
swscale: change 48bit RGB input macros to inline functions.
...
Inline functions are slightly larger in source code, but
are easier to handle in source code editors. The binary code
generated is the same.
2011-06-09 09:29:20 -04:00
f30ee65700
swscale: change 9/10bit YUV input macros to inline functions.
...
Inline functions are slightly larger in source code, but
are easier to handle in source code editors. The binary code
generated is the same.
2011-06-09 09:29:03 -04:00
aa39f5f6d6
swscale: extract gray16 output functions from yuv2packed[12X]().
...
This is part of the Great Evil Plan to simplify swscale.
2011-06-09 09:29:02 -04:00
f1e0b90c64
swscale: use standard clipping functions.
...
This generates better code on some non-x86 architectures.
2011-06-09 09:27:51 -04:00
e458b53605
swscale: merge macros that are used only once.
...
This reduces source code size without affecting the binary.
2011-06-09 09:26:00 -04:00
6e5a8d3c9a
swscale: fix function declarations in swscale.c.
...
Remove inline keyword from functions that are never inlined.
Use av_always_inline for functions that should be force-inlined
for performance reasons. Use av_cold for init functions.
2011-06-09 09:25:59 -04:00
a27db4c349
swscale: fix function declaration keywords in x86/swscale_template.c.
...
Remove inline keyword for functions that are only called through
their function pointers (and thus cannot be inlined); add av_cold
keyword to init function, and use av_always_inline instead of
inline for functions that must be inlined for performance reasons.
2011-06-09 09:25:59 -04:00
9bcbb250e2
swscale: fix types of assembly arguments.
...
This prevents the following compiler warnings: "warning:
initialization from incompatible pointer type". Since the
variables are only ever used in inline assembly, their type
is actually irrelevant (so the part where it was wrong did
not invoke any buggy behaviour).
2011-06-08 11:39:26 -04:00
496d95c34c
swscale: move two macros that are only used once into caller.
...
This way, they look like regular code, which is easier to
understand.
2011-06-08 11:33:46 -04:00
9d84dfce93
swscale: remove unused function.
...
Use of this wrapper was removed in a previous patch, but I
forgot to actually remove the function itself.
2011-06-08 11:08:20 -04:00
edeb56fa31
swscale: remove duplicate conversion routine in swScale().
2011-06-07 10:05:55 -04:00
b73fe70025
swscale: add yuv2planar/packed function typedefs.
2011-06-07 10:05:55 -04:00
df91d09174
swscale: integrate yuv2nv12X_C into yuv2yuvX() function pointers.
2011-06-07 10:05:54 -04:00
0fb5193156
swscale: reindent x86 init code.
2011-06-07 10:05:50 -04:00
ca364a5b43
swscale: extract SWS_FULL_CHR_H_INT conditional into init code.
2011-06-07 10:03:47 -04:00
b3b28b080f
swscale: cosmetics.
2011-06-07 10:03:46 -04:00
ea28175312
swscale: remove alp/chr/lumSrcOffset.
...
They are hacks added to reuse the same scaling function for
different formats and they may cause problems when SIMD
implementation of the same functions are used along with pure
C functions.
2011-06-07 10:03:18 -04:00
bda9b20fa4
swscale: un-special-case yuv2yuvX16_c().
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Make yuv2yuvX16_c a function pointer for yuv2yuvX(), so that the
function pointer becomes bitdepth-independent.
2011-06-07 10:03:12 -04:00
6af2801088
swscale: split swscale.c in unscaled and generic conversion routines.
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This duplicates the function fillPlane().
2011-06-03 09:52:09 -07:00
2762ee3034
swscale: cosmetics.
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Remove duplicate "inC" and "_c" functions that do the same thing;
give each function that handles data and acts as a function pointer
a "_c" suffix; remove "_c" suffix from functions that are inherently
not optimizable. Remove inline keyword from functions that are only
used through function pointers.
2011-06-03 09:52:09 -07:00
1674bd2abe
swscale: integrate (literally) swscale_template.c in swscale.c.
2011-06-03 09:52:09 -07:00
983260b0a4
swscale: split out x86/swscale_template.c from swscale.c.
2011-06-03 09:52:09 -07:00
075d0ae72c
swscale: enable hScale_altivec_real.
2011-06-03 09:52:09 -07:00
67d80a5421
swscale: split out ppc _template.c files from main swscale.c.
2011-06-03 09:52:09 -07:00
a3e9bb5dee
swscale: remove indirections in ppc/swscale_template.c.
2011-06-03 09:52:09 -07:00
0e5d31b16b
swscale: split out unscaled altivec YUV converters in their own file.
2011-06-03 09:52:09 -07:00
0d793db1b0
swscale: remove unused COMPILE_TEMPLATE_ALTIVEC.
2011-06-02 21:29:59 -07:00
808d8ff6bb
swscale: allocate larger buffer to handle altivec overreads.
...
Altivec sws code intentionally overreads buffers for better performance,
so we need to allocate larger buffers to handle that.
2011-06-02 11:25:56 -07:00
f635a233e3
swscale: Remove unused variable.
2011-05-30 23:19:06 +02:00
06b5facd4b
swscale: Remove disabled code.
2011-05-29 14:32:08 +02:00
b8e893399f
sws: replace all long with int.
...
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-05-28 10:03:37 -04:00
009f829dde
swscale: fix crash in bilinear scaling.
2011-05-28 08:59:56 -04:00
5a5a0f1613
swscale: Remove unused variables in x86 code.
...
libswscale/x86/swscale_template.c:2072: warning: unused variable ‘canMMX2BeUsed’
libswscale/x86/swscale_template.c:2145: warning: unused variable ‘canMMX2BeUsed’
libswscale/x86/swscale_template.c:2209: warning: unused variable ‘chrVPixBuf’
libswscale/x86/swscale_template.c:2237: warning: unused variable ‘chrVSrcPtr’
2011-05-27 21:25:57 +02:00
389e2000eb
swscale: delay allocation of formatConvBuffer().
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That means it won't be allocated when not needed. Alongside
this, it fixes valgrind/fate-detected memory leaks.
2011-05-27 13:22:27 -04:00
f327bfa6dc
swscale: fix build with --disable-swscale-alpha.
2011-05-27 13:22:27 -04:00
9f5d45025e
swscale: fix non-bitexact yuv2yuv[X2]() MMX/MMX2 functions.
2011-05-27 09:41:48 -04:00
93681fbd50
swscale: fix compile on ppc.
2011-05-26 11:32:32 -04:00
e758573a88
swscale: fix compile on x86-32.
2011-05-26 10:41:27 -04:00
48520772d9
swscale: use av_clip_uint8() in yuv2yuv1_c().
2011-05-26 09:31:27 -04:00
0f4eb8b043
swscale: remove VOF/VOFW.
2011-05-26 09:31:27 -04:00
b4a224c5e4
swscale: split chroma buffers into separate U/V planes.
...
Preparatory step to implement support for sizes > VOFW.
2011-05-26 09:31:27 -04:00
69645c021a
swscale: replace formatConvBuffer[VOF] by allocated array.
...
This allows to convert between formats of arbitrary width,
regardless of the value of VOF/VOFW.
2011-05-26 09:31:02 -04:00
522d65ba25
rgb2rgb: remove duplicate mmx/mmx2/3dnow/sse2 functions.
...
Many functions have such a prefix, but do not actually use any
instructions or features from that set, thus giving the false
impression that swscale is highly optimized for a particular
system, whereas in reality it is not.
2011-05-26 09:31:02 -04:00
836b82e3c9
swscale: reindent h[cy]scale_fast() and updateDitherTables().
2011-05-26 09:31:02 -04:00
e2bad983b5
swscale: reformat x86/swscale_template.c.
...
Interleave macros and code so that it's easier to find the
actual code that belongs to a function. Also reindent where
appropriate and remove dead code.
2011-05-26 09:30:15 -04:00
71d9c33c86
swscale: remove duplicate mmx/mmx2 functions if they are identical.
2011-05-26 09:30:15 -04:00
acb96bc268
swscale: remove if (c->dstFormat) branch from yuv2packed[12X]().
...
This allows cutting up the function in much smaller and easier-
to-maintain chunks.
2011-05-26 09:30:14 -04:00
b6cac9b3bf
swscale: remove if(full_chr_int) from yuv2packed1().
...
If that flag is set, swScale() already proxies the call to
yuv2rgbXinC_full(). Therefore, this flag is never set when
yuv2packed1() is called.
2011-05-26 09:30:14 -04:00
2159a24573
swscale: remove if(accurate_rnd) branch from functions.
2011-05-26 09:30:14 -04:00
c7a973e44a
swscale: revive SWS_CPU_CAPS until next major bump.
2011-05-26 06:50:12 +02:00
0093199184
swscale: Remove commented-out printf cruft.
2011-05-26 03:45:58 +02:00
6f7a280ead
swscale: Remove orphaned, commented-out function declaration.
2011-05-26 00:56:07 +02:00
7dc303a60e
swscale: Eliminate rgb24toyv12_c() duplication.
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
2011-05-26 00:56:06 +02:00
a724ee6265
swscale: unbreak the build on non-x86 systems.
2011-05-24 15:32:03 -04:00
1bb0f0c925
swscale: remove if(bitexact) branch from functions.
...
Instead, only set the function pointers if bitexact flag is
not set during initialization. Since a change in flags triggers
a re-init anyway, this doesn't situations where flag values
change during runtime.
2011-05-24 14:50:20 -04:00
566b5fbbb3
swscale: remove if(canMMX2BeUsed) conditional.
...
Instead, set function pointers conditionally during init. This
patch also reveals a whole branch of dead assembly code that is
therefore also removed.
2011-05-24 14:50:19 -04:00
aaca69c130
swscale: remove swScale_{c,MMX,MMX2} duplication.
2011-05-24 14:50:15 -04:00
c4fd283a46
swscale: use emms_c().
2011-05-24 14:48:49 -04:00
b9eb2136af
swscale: remove dead macro WRITEBGR24OLD.
2011-05-24 10:46:40 -04:00
1dd4f4be5a
swscale: remove AMD3DNOW "optimizations".
...
The functions are identical to their MMX counterparts. Thus,
pretending that swscale is highly optimized for AMD3DNOW
extensions is a poorly executed practical joke at best.
2011-05-24 10:19:41 -04:00
fe43d5d71e
swscale: remove duplicate code in ppc/ subdirectory.
2011-05-24 10:16:32 -04:00
11ffefefdb
swscale: remove duplicated x86/ functions.
2011-05-24 10:11:26 -04:00
Ronald S. Bultje