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* swscale/ppc: VSX-optimize non-full-chroma yuv2rgb_2Lauri Kasanen2019-04-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 -sws_flags fast_bilinear \ -s 1200x720 -f null -vframes 100 -pix_fmt $i -nostats \ -cpuflags 0 -v error - 32-bit mul, power8 only. ~2x speedup: rgb24 24431 UNITS in yuv2packed2, 16384 runs, 0 skips 13783 UNITS in yuv2packed2, 16383 runs, 1 skips bgr24 24396 UNITS in yuv2packed2, 16384 runs, 0 skips 14059 UNITS in yuv2packed2, 16384 runs, 0 skips rgba 26815 UNITS in yuv2packed2, 16383 runs, 1 skips 12797 UNITS in yuv2packed2, 16383 runs, 1 skips bgra 27060 UNITS in yuv2packed2, 16384 runs, 0 skips 13138 UNITS in yuv2packed2, 16384 runs, 0 skips argb 26998 UNITS in yuv2packed2, 16384 runs, 0 skips 12728 UNITS in yuv2packed2, 16381 runs, 3 skips bgra 26651 UNITS in yuv2packed2, 16384 runs, 0 skips 13124 UNITS in yuv2packed2, 16384 runs, 0 skips This is a low speedup, but the x86 mmx version also gets only ~2x. The mmx version is also heavily inaccurate, while the vsx version has high accuracy.
* swscale/ppc: VSX-optimize yuv2rgb_full_XLauri Kasanen2019-04-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 \ -s 1200x720 -f null -vframes 100 -pix_fmt $i -nostats \ -cpuflags 0 -v error - 32-bit mul, power8 only. ~6.4x speedup: rgb24 214278 UNITS in yuv2packedX, 16384 runs, 0 skips 33249 UNITS in yuv2packedX, 16384 runs, 0 skips bgr24 214616 UNITS in yuv2packedX, 16384 runs, 0 skips 33233 UNITS in yuv2packedX, 16384 runs, 0 skips rgba 214517 UNITS in yuv2packedX, 16384 runs, 0 skips 33271 UNITS in yuv2packedX, 16384 runs, 0 skips bgra 214973 UNITS in yuv2packedX, 16384 runs, 0 skips 33397 UNITS in yuv2packedX, 16384 runs, 0 skips argb 214613 UNITS in yuv2packedX, 16384 runs, 0 skips 33310 UNITS in yuv2packedX, 16384 runs, 0 skips bgra 214637 UNITS in yuv2packedX, 16384 runs, 0 skips 33330 UNITS in yuv2packedX, 16384 runs, 0 skips
* swscale/ppc: VSX-optimize yuv2rgb_full_2Lauri Kasanen2019-04-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 -sws_flags area \ -s 1200x720 -f null -vframes 100 -pix_fmt $i -nostats \ -cpuflags 0 -v error - 32-bit mul, power8 only. ~4x speedup: rgb24 52763 UNITS in yuv2packed2, 16384 runs, 0 skips 13453 UNITS in yuv2packed2, 16384 runs, 0 skips bgr24 53144 UNITS in yuv2packed2, 16384 runs, 0 skips 13616 UNITS in yuv2packed2, 16384 runs, 0 skips rgba 52796 UNITS in yuv2packed2, 16384 runs, 0 skips 12904 UNITS in yuv2packed2, 16384 runs, 0 skips bgra 52732 UNITS in yuv2packed2, 16384 runs, 0 skips 13262 UNITS in yuv2packed2, 16384 runs, 0 skips argb 52661 UNITS in yuv2packed2, 16384 runs, 0 skips 12879 UNITS in yuv2packed2, 16384 runs, 0 skips bgra 52662 UNITS in yuv2packed2, 16384 runs, 0 skips 12932 UNITS in yuv2packed2, 16384 runs, 0 skips
* swscale/ppc: VSX-optimize non-full-chroma yuv2rgb_1Lauri Kasanen2019-04-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 -sws_flags fast_bilinear \ -s 1200x1440 -f null -vframes 100 -pix_fmt $i -nostats \ -cpuflags 0 -v error - 32-bit mul, power8 only. 1.8-2.3x speedup: rgb24 18192 UNITS in yuv2packed1, 32767 runs, 1 skips 9983 UNITS in yuv2packed1, 32760 runs, 8 skips bgr24 18665 UNITS in yuv2packed1, 32766 runs, 2 skips 9925 UNITS in yuv2packed1, 32763 runs, 5 skips rgba 20239 UNITS in yuv2packed1, 32767 runs, 1 skips 8794 UNITS in yuv2packed1, 32759 runs, 9 skips bgra 20354 UNITS in yuv2packed1, 32768 runs, 0 skips 8770 UNITS in yuv2packed1, 32761 runs, 7 skips argb 20185 UNITS in yuv2packed1, 32768 runs, 0 skips 8761 UNITS in yuv2packed1, 32761 runs, 7 skips bgra 20360 UNITS in yuv2packed1, 32766 runs, 2 skips 8759 UNITS in yuv2packed1, 32764 runs, 4 skips This is a low speedup, but the x86 mmx version also gets only ~2x. The mmx version is also heavily inaccurate, while the vsx version has high accuracy.
* swscale/ppc: VSX-optimize yuv2422_XLauri Kasanen2019-03-31
| | | | | | | | | | | | | | | | | | ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 \ -s 1200x720 -f null -vframes 100 -pix_fmt $i -nostats \ -cpuflags 0 -v error - 7.2x speedup: yuyv422 126354 UNITS in yuv2packedX, 16384 runs, 0 skips 16383 UNITS in yuv2packedX, 16382 runs, 2 skips yvyu422 117669 UNITS in yuv2packedX, 16384 runs, 0 skips 16271 UNITS in yuv2packedX, 16379 runs, 5 skips uyvy422 117310 UNITS in yuv2packedX, 16384 runs, 0 skips 16226 UNITS in yuv2packedX, 16382 runs, 2 skips
* swscale/ppc: VSX-optimize yuv2422_2Lauri Kasanen2019-03-31
| | | | | | | | | | | | | | | | | | ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 -sws_flags area \ -s 1200x720 -f null -vframes 100 -pix_fmt $i -nostats \ -cpuflags 0 -v error - 5.1x speedup: yuyv422 19339 UNITS in yuv2packed2, 16384 runs, 0 skips 3718 UNITS in yuv2packed2, 16383 runs, 1 skips yvyu422 19438 UNITS in yuv2packed2, 16384 runs, 0 skips 3800 UNITS in yuv2packed2, 16380 runs, 4 skips uyvy422 19128 UNITS in yuv2packed2, 16384 runs, 0 skips 3721 UNITS in yuv2packed2, 16380 runs, 4 skips
* swscale/ppc: VSX-optimize yuv2422_1Lauri Kasanen2019-03-31
| | | | | | | | | | | | | | | | | | ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 \ -s 1200x1440 -f null -vframes 100 -pix_fmt $i -nostats \ -cpuflags 0 -v error - 15.3x speedup: yuyv422 14513 UNITS in yuv2packed1, 32768 runs, 0 skips 949 UNITS in yuv2packed1, 32767 runs, 1 skips yvyu422 14516 UNITS in yuv2packed1, 32767 runs, 1 skips 943 UNITS in yuv2packed1, 32767 runs, 1 skips uyvy422 14530 UNITS in yuv2packed1, 32767 runs, 1 skips 941 UNITS in yuv2packed1, 32766 runs, 2 skips
* swscale/swscale_unscaled: Fix chroma slice heightMichael Niedermayer2019-03-28
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* swscale/swscale_unscaled: fixed the issue that when width/height is not ↵Dong, Jerry2019-03-28
| | | | | | | | 2-multiple, transition of nv12 to u/v planes is not completed. Signed-off-by: Dong, Jerry <jerry.dong@intel.com> Signed-off-by: Decai Lin <decai.lin@intel.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* swscale/ppc: VSX-optimize yuv2rgb_fullLauri Kasanen2019-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 \ -s 1200x1440 -f null -vframes 100 -pix_fmt $i -nostats \ -cpuflags 0 -v error - This uses 32-bit mul, so POWER8 only. The following output formats get about 4.5x speedup: rgb24 39980 UNITS in yuv2packed1, 32768 runs, 0 skips 8774 UNITS in yuv2packed1, 32768 runs, 0 skips bgr24 40069 UNITS in yuv2packed1, 32768 runs, 0 skips 8772 UNITS in yuv2packed1, 32766 runs, 2 skips rgba 39759 UNITS in yuv2packed1, 32768 runs, 0 skips 8681 UNITS in yuv2packed1, 32767 runs, 1 skips bgra 39729 UNITS in yuv2packed1, 32768 runs, 0 skips 8696 UNITS in yuv2packed1, 32766 runs, 2 skips argb 39766 UNITS in yuv2packed1, 32768 runs, 0 skips 8672 UNITS in yuv2packed1, 32766 runs, 2 skips bgra 39784 UNITS in yuv2packed1, 32768 runs, 0 skips 8659 UNITS in yuv2packed1, 32767 runs, 1 skips
* swscale: Remove duplicated codeLauri Kasanen2019-03-27
| | | | In this function, the exact same clamping happens both in the if and unconditionally.
* swscale/ppc: Add av_unused to template vars only used in one includerLauri Kasanen2019-03-20
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* swscale/ppc: Clean up some mixed decl warningsLauri Kasanen2019-03-20
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* libswscale/ppc: VSX-optimize 9-16 bit yuv2planeXLauri Kasanen2019-02-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ./ffmpeg_g -f rawvideo -pix_fmt rgb24 -s hd1080 -i /dev/zero -pix_fmt yuv420p16be \ -s 1920x1728 -f null -vframes 100 -v error -nostats - 9-14 bit funcs get about 6x speedup, 16-bit gets about 15x. Fate passes, each format tested with an image to video conversion. Only POWER8 includes 32-bit vector multiplies, so POWER7 is locked out of the 16-bit function. This includes the vec_mulo/mule functions too, not just vmuluwm. With TIMER_REPORT skips disabled: yuv420p9le 12412 UNITS in planarX, 131072 runs, 0 skips 73136 UNITS in planarX, 131072 runs, 0 skips yuv420p9be 12481 UNITS in planarX, 131072 runs, 0 skips 73410 UNITS in planarX, 131072 runs, 0 skips yuv420p10le 12322 UNITS in planarX, 131072 runs, 0 skips 72546 UNITS in planarX, 131072 runs, 0 skips yuv420p10be 12291 UNITS in planarX, 131072 runs, 0 skips 72935 UNITS in planarX, 131072 runs, 0 skips yuv420p12le 12316 UNITS in planarX, 131072 runs, 0 skips 72708 UNITS in planarX, 131072 runs, 0 skips yuv420p12be 12319 UNITS in planarX, 131072 runs, 0 skips 72577 UNITS in planarX, 131072 runs, 0 skips yuv420p14le 12259 UNITS in planarX, 131072 runs, 0 skips 72516 UNITS in planarX, 131072 runs, 0 skips yuv420p14be 12440 UNITS in planarX, 131072 runs, 0 skips 72962 UNITS in planarX, 131072 runs, 0 skips yuv420p16le 10548 UNITS in planarX, 131072 runs, 0 skips 73429 UNITS in planarX, 131072 runs, 0 skips yuv420p16be 10634 UNITS in planarX, 131072 runs, 0 skips 150959 UNITS in planarX, 131072 runs, 0 skips Signed-off-by: Lauri Kasanen <cand@gmx.com>
* swscale/yuv2rgb: Return a more specific error code from ↵Michael Niedermayer2019-01-01
| | | | | | | ff_yuv2rgb_c_init_tables() Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* swscale/output: Altivec-optimize float yuv2plane1Lauri Kasanen2018-12-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This function wouldn't benefit from VSX instructions, so I put it under altivec. ./ffmpeg_g -f rawvideo -pix_fmt rgb24 -s hd1080 -i /dev/zero -pix_fmt grayf32le \ -f null -vframes 100 -v error -nostats - 3743 UNITS in planar1, 65495 runs, 41 skips -cpuflags 0 23511 UNITS in planar1, 65530 runs, 6 skips grayf32be 4647 UNITS in planar1, 65449 runs, 87 skips -cpuflags 0 28608 UNITS in planar1, 65530 runs, 6 skips The native speedup is 6.28133, and the bswapping one 6.15623. Fate passes, each format tested with an image to video conversion. Signed-off-by: Lauri Kasanen <cand@gmx.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* swscale/output: VSX-optimize 16-bit yuv2plane1Lauri Kasanen2018-12-14
| | | | | | | | | | | | | | | | | | ./ffmpeg_g -f rawvideo -pix_fmt rgb24 -s hd1080 -i /dev/zero -pix_fmt yuv420p16le \ -f null -vframes 100 -v error -nostats - 2120 UNITS in planar1, 65393 runs, 143 skips -cpuflags 0 19157 UNITS in planar1, 65512 runs, 24 skips 9.03632 speedup, 16be similarly. Fate passes, each format tested with an image to video conversion. Signed-off-by: Lauri Kasanen <cand@gmx.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* swscale/output: VSX-optimize nbps yuv2plane1Lauri Kasanen2018-12-12
| | | | | | | | | | | | | | | | | | | ./ffmpeg_g -f rawvideo -pix_fmt rgb24 -s hd1080 -i /dev/zero -pix_fmt yuv420p9le \ -f null -vframes 100 -v error -nostats - Speedups: yuv2plane1_9BE_vsx 11.2042 yuv2plane1_9LE_vsx 11.156 yuv2plane1_10BE_vsx 9.89428 yuv2plane1_10LE_vsx 10.3637 yuv2plane1_12BE_vsx 9.71923 yuv2plane1_12LE_vsx 11.0404 yuv2plane1_14BE_vsx 10.1763 yuv2plane1_14LE_vsx 11.2728 Fate passes, each format tested with an image to video conversion. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* swscale/ppc: Move VSX-using code to its own fileLauri Kasanen2018-12-04
| | | | | | | | Passes fate on LE (with "lavc/jrevdct: Avoid an aliasing violation" applied). Signed-off-by: Lauri Kasanen <cand@gmx.com> Tested-by: Michael Kostylev on BE Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* swscale/output: Altivec-optimize yuv2plane1_8Lauri Kasanen2018-11-26
| | | | | | | | | | | | | | | | | | | | | ./ffmpeg_g -f rawvideo -pix_fmt rgb24 -s hd1080 -i /dev/zero -pix_fmt yuv420p \ -f null -vframes 100 -v error -nostats - 1158 UNITS in planar1, 65528 runs, 8 skips -cpuflags 0 19082 UNITS in planar1, 65533 runs, 3 skips 16.48 speedup ratio. On x86, SSE2 is ~7. Curiously, the Power C version takes as many cycles as the x86 SSE2 version, yikes it's fast. Note that this function uses VSX instructions, but is not marked so. This is because several existing functions also make that mistake. I'll submit a patch moving them once this is reviewed. Signed-off-by: Lauri Kasanen <cand@gmx.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* swscale : add support for YUVA444P12 and YUVA422P12Martin Vignali2018-11-24
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* Bump minor version for master after 4.1 branchpointMichael Niedermayer2018-11-02
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* Bump minor versions for branching 4.1Michael Niedermayer2018-11-02
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* swscale/swscale_unscaled : rename packed_16bpc_bswapMartin Vignali2018-10-24
| | | | is used for packed and planar format
* swscale/unscaled : add grayf32 le to beMartin Vignali2018-10-24
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* swscale/utils : simplify unscaled initial test for float pixfmtMartin Vignali2018-10-24
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* swscale : add YA16 LE/BE outputMartin Vignali2018-10-18
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* swscale/x86/rgb2rgb.asm : add Ivo Van Poorten name to the top of the fileMartin Vignali2018-10-18
| | | | suggested by Carl Eugen Hoyos
* swscale/x86/rgb2rgb : port shuffle 2103 mmxext to external asm and remove ↵Martin Vignali2018-10-13
| | | | inline asm version
* swscale/x86/rgb2rgb : remove mmx version for shuffle2103Martin Vignali2018-10-13
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* swscale/swscale_unscaled: add gbrap -> packed rgb pathPaul B Mahol2018-09-09
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* swscale/swscale : small cosmeticMartin Vignali2018-08-22
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* swscale : treat float input data as uint 16bpcMartin Vignali2018-08-22
| | | | | | | | | Currently float are converted to 16b uint in input part using src depth (32 bits) in hScale16To19 and hScale16to15, make an invalid shift for the data So shift the value when using float input like 16 bpc uint.
* libswscale: Adds conversions from/to float gray format.Sergey Lavrushkin2018-08-14
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* lsws/rgb2rgb_template: Do not compile unneeded shuffle functions on big-endian.Carl Eugen Hoyos2018-06-10
| | | | | | | | Fixes the following warnings: In file included from libswscale/rgb2rgb.c:128:0: libswscale/rgb2rgb_template.c:346:13: warning: 'shuffle_bytes_3210_c' defined but not used libswscale/rgb2rgb_template.c:346:13: warning: 'shuffle_bytes_3012_c' defined but not used libswscale/rgb2rgb_template.c:346:13: warning: 'shuffle_bytes_1230_c' defined but not used
* swscale: add gray14 supportPaul B Mahol2018-05-05
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* swscale/swscale_unscaled : add X86_64 (SSE2 and AVX) for uyvyto422Martin Vignali2018-04-22
| | | | and checkasm test
* Bump minor versions after release/4.0 branchingMichael Niedermayer2018-04-16
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* Bump minor versions for branching release/4.0Michael Niedermayer2018-04-16
| | | | Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avutil/pixdesc: deprecate AV_PIX_FMT_FLAG_PSEUDOPALwm42018-04-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PSEUDOPAL pixel formats are not paletted, but carried a palette with the intention of allowing code to treat unpaletted formats as paletted. The palette simply mapped the byte values to the resulting RGB values, making it some sort of LUT for RGB conversion. It was used for 1 byte formats only: RGB4_BYTE, BGR4_BYTE, RGB8, BGR8, GRAY8. The first 4 are awfully obscure, used only by some ancient bitmap formats. The last one, GRAY8, is more common, but its treatment is grossly incorrect. It considers full range GRAY8 only, so GRAY8 coming from typical Y video planes was not mapped to the correct RGB values. This cannot be fixed, because AVFrame.color_range can be freely changed at runtime, and there is nothing to ensure the pseudo palette is updated. Also, nothing actually used the PSEUDOPAL palette data, except xwdenc (trivially changed in the previous commit). All other code had to treat it as a special case, just to ignore or to propagate palette data. In conclusion, this was just a very strange old mechnaism that has no real justification to exist anymore (although it may have been nice and useful in the past). Now it's an artifact that makes the API harder to use: API users who allocate their own pixel data have to be aware that they need to allocate the palette, or FFmpeg will crash on them in _some_ situations. On top of this, there was no API to allocate the pseuo palette outside of av_frame_get_buffer(). This patch not only deprecates AV_PIX_FMT_FLAG_PSEUDOPAL, but also makes the pseudo palette optional. Nothing accesses it anymore, though if it's set, it's propagated. It's still allocated and initialized for compatibility with API users that rely on this feature. But new API users do not need to allocate it. This was an explicit goal of this patch. Most changes replace AV_PIX_FMT_FLAG_PSEUDOPAL with FF_PSEUDOPAL. I first tried #ifdefing all code, but it was a mess. The FF_PSEUDOPAL macro reduces the mess, and still allows defining FF_API_PSEUDOPAL to 0. Passes FATE with FF_API_PSEUDOPAL enabled and disabled. In addition, FATE passes with FF_API_PSEUDOPAL set to 1, but with allocation functions manually changed to not allocating a palette.
* arm: swscale: Only compile the rgb2yuv asm if .dn aliases are supportedMartin Storsjö2018-03-31
| | | | | | | | | | | | | | | Vanilla clang supports altmacro since clang 5.0, and thus doesn't require gas-preprocessor for building the arm assembly any longer. However, the built-in assembler doesn't support .dn directives. This readds checks that were removed in d7320ca3ed10f0d, when the last usage of .dn directives within libav were removed. Alternatively, the assembly could be rewritten to not use the .dn directive, making it available to clang users. Signed-off-by: Martin Storsjö <martin@martin.st>
* swscale/rgb2rgb : cosmetic, move shuffle_bytes func declarationMartin Vignali2018-03-24
| | | | | move shuffle_bytes_1230, 3012, 3210 with the other shuffle_byte declaration
* swscale/rgb : add X86 SIMD (SSSE3), for shuffle_bytes_1230, ↵Martin Vignali2018-03-24
| | | | shuffle_bytes_3012, shuffle_bytes_3210
* swscale/rgb : move shuffle func shuffle_bytes_1230, shuffle_bytes_3012, ↵Martin Vignali2018-03-24
| | | | shuffle_bytes_3210 in order to add SIMD
* swscale/rgb : add X86 SIMD (SSSE3) for shuffle_bytes_2103 and shuffle_bytes_0321Martin Vignali2018-03-24
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* swscale: Introduce a helper to identify semi-planar formatsPhilip Langdale2018-03-03
| | | | | This cleans up the ever-more-unreadable list of semi-planar exclusions for selecting the planar copy wrapper.
* swscale: Add p016 output support and generalise yuv420p1x to p010Philip Langdale2018-03-02
| | | | | | | | To make the best use of existing code, I generalised the wrapper that currently does yuv420p10 to p010 to support any mixture of input and output sizes between 10 and 16 bits. This had the side effect of yielding a working code path for all yuv420p1x formats to p01x.
* Fix missing used attribute for inline assembly variablesThomas Köppe2017-11-13
| | | | | | | | | | | | | Variables used in inline assembly need to be marked with attribute((used)). Static constants already were, via the define of DECLARE_ASM_CONST. But DECLARE_ALIGNED does not add this attribute, and some of the variables defined with it are const only used in inline assembly, and therefore appeared dead. This change adds a macro DECLARE_ASM_ALIGNED that marks variables as used. This change makes FFMPEG work with Clang's ThinLTO. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* Merge commit '29ccc641b17afad058a5c24071ea827865a8b3a9'James Almer2017-11-11
|\ | | | | | | | | | | | | * commit '29ccc641b17afad058a5c24071ea827865a8b3a9': build: Drop check for sys/mman.h in favor of mmap() check Merged-by: James Almer <jamrial@gmail.com>
| * build: Drop check for sys/mman.h in favor of mmap() checkDiego Biurrun2017-10-10
| | | | | | | | We already rely on just mmap() in other places.
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