[FFmpeg-devel] [PATCH v2 2/4] swscale/x86: add sse4 {lum, chr}ConvertRange

[James Almer]

On 6/11/2024 3:26 PM, Michael Niedermayer wrote:
> On Tue, Jun 11, 2024 at 02:28:56PM +0200, Ramiro Polla wrote:
>> chrRangeFromJpeg_8_c: 28.7
>> chrRangeFromJpeg_8_sse4: 16.2
>> chrRangeFromJpeg_24_c: 152.7
>> chrRangeFromJpeg_24_sse4: 29.7
>> chrRangeFromJpeg_128_c: 366.5
>> chrRangeFromJpeg_128_sse4: 233.0
>> chrRangeFromJpeg_144_c: 408.0
>> chrRangeFromJpeg_144_sse4: 182.5
>> chrRangeFromJpeg_256_c: 698.7
>> chrRangeFromJpeg_256_sse4: 325.5
>> chrRangeFromJpeg_512_c: 1348.7
>> chrRangeFromJpeg_512_sse4: 660.2
>> chrRangeToJpeg_8_c: 37.7
>> chrRangeToJpeg_8_sse4: 16.2
>> chrRangeToJpeg_24_c: 115.7
>> chrRangeToJpeg_24_sse4: 36.2
>> chrRangeToJpeg_128_c: 631.2
>> chrRangeToJpeg_128_sse4: 163.7
>> chrRangeToJpeg_144_c: 710.7
>> chrRangeToJpeg_144_sse4: 183.0
>> chrRangeToJpeg_256_c: 1253.0
>> chrRangeToJpeg_256_sse4: 343.5
>> chrRangeToJpeg_512_c: 2491.2
>> chrRangeToJpeg_512_sse4: 654.2
>> lumRangeFromJpeg_8_c: 11.7
>> lumRangeFromJpeg_8_sse4: 10.5
>> lumRangeFromJpeg_24_c: 38.5
>> lumRangeFromJpeg_24_sse4: 19.0
>> lumRangeFromJpeg_128_c: 237.5
>> lumRangeFromJpeg_128_sse4: 79.2
>> lumRangeFromJpeg_144_c: 255.7
>> lumRangeFromJpeg_144_sse4: 90.5
>> lumRangeFromJpeg_256_c: 441.5
>> lumRangeFromJpeg_256_sse4: 161.7
>> lumRangeFromJpeg_512_c: 879.0
>> lumRangeFromJpeg_512_sse4: 333.2
>> lumRangeToJpeg_8_c: 20.0
>> lumRangeToJpeg_8_sse4: 11.7
>> lumRangeToJpeg_24_c: 61.5
>> lumRangeToJpeg_24_sse4: 17.7
>> lumRangeToJpeg_128_c: 357.5
>> lumRangeToJpeg_128_sse4: 80.0
>> lumRangeToJpeg_144_c: 371.5
>> lumRangeToJpeg_144_sse4: 93.2
>> lumRangeToJpeg_256_c: 651.5
>> lumRangeToJpeg_256_sse4: 164.5
>> lumRangeToJpeg_512_c: 1279.0
>> lumRangeToJpeg_512_sse4: 333.7
>> ---
>>   libswscale/swscale_internal.h    |   1 +
>>   libswscale/utils.c               |   2 +
>>   libswscale/x86/Makefile          |   1 +
>>   libswscale/x86/range_convert.asm | 130 +++++++++++++++++++++++++++++++
>>   libswscale/x86/swscale.c         |  36 +++++++++
>>   5 files changed, 170 insertions(+)
>>   create mode 100644 libswscale/x86/range_convert.asm
> 
> breaks x86-32 build
> 
> LD	ffmpeg_g
> /usr/lib/gcc-cross/i686-linux-gnu/7/../../../../i686-linux-gnu/bin/ld: libswscale/libswscale.a(utils.o): in function `sws_setColorspaceDetails':
> ffmpeg/linux32/src/libswscale/utils.c:1086: undefined reference to `ff_sws_init_range_convert_x86'
> collect2: error: ld returned 1 exit status
> make: *** [Makefile:139: ffmpeg_g] Error 1
> 
> thx

The functions are wrapped in ARCH_X86_64 checks for seemingly no reason, 
so they should be removed in the next iteration.