falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38308 Commits
32 Branches
1.1GB
Tree: ce1e8045e0
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'ce1e8045e0'
${ noResults }
FFmpeg/libavcodec/arm/h264chroma_init_arm.c

52 lines
2.1KB
Raw Blame History 

  1. /*

  2.  * ARM NEON optimised H.264 chroma functions

  3.  * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>

  4.  *

  5.  * This file is part of Libav.

  6.  *

  7.  * Libav is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * Libav is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with Libav; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. #include <stdint.h>

  23. 

  24. #include "libavutil/attributes.h"

  25. #include "libavutil/cpu.h"

  26. #include "libavutil/arm/cpu.h"

  27. #include "libavcodec/h264chroma.h"

  28. 

  29. void ff_put_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);

  30. void ff_put_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);

  31. void ff_put_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);

  32. 

  33. void ff_avg_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);

  34. void ff_avg_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);

  35. void ff_avg_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);

  36. 

  37. av_cold void ff_h264chroma_init_arm(H264ChromaContext *c, int bit_depth)

  38. {

  39.     const int high_bit_depth = bit_depth > 8;

  40.     int cpu_flags = av_get_cpu_flags();

  41. 

  42.     if (have_neon(cpu_flags) && !high_bit_depth) {

  43.         c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_neon;

  44.         c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_neon;

  45.         c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_neon;

  46. 

  47.         c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_neon;

  48.         c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_neon;

  49.         c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_neon;

  50.     }

  51. }