ffmpeg/libavcodec/arm/h264pred_init_arm.c

   1 /*
   2  * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include <stdint.h>
  22
  23 #include "libavutil/attributes.h"
  24 #include "libavutil/arm/cpu.h"
  25 #include "libavcodec/avcodec.h"
  26 #include "libavcodec/h264pred.h"
  27
  28 void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride);
  29 void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride);
  30 void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride);
  31 void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride);
  32 void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride);
  33 void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride);
  34 void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride);
  35
  36 void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride);
  37 void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride);
  38 void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride);
  39 void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride);
  40 void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride);
  41 void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride);
  42 void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride);
  43 void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride);
  44 void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride);
  45 void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride);
  46 void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride);
  47
  48 static av_cold void h264_pred_init_neon(H264PredContext *h, int codec_id,
  49                                         const int bit_depth,
  50                                         const int chroma_format_idc)
  51 {
  52 #if HAVE_NEON
  53     const int high_depth = bit_depth > 8;
  54
  55     if (high_depth)
  56         return;
  57     if(chroma_format_idc == 1){
  58     h->pred8x8[VERT_PRED8x8     ] = ff_pred8x8_vert_neon;
  59     h->pred8x8[HOR_PRED8x8      ] = ff_pred8x8_hor_neon;
  60     if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
  61         h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon;
  62     h->pred8x8[DC_128_PRED8x8   ] = ff_pred8x8_128_dc_neon;
  63     if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 &&
  64         codec_id != AV_CODEC_ID_VP8) {
  65         h->pred8x8[DC_PRED8x8     ] = ff_pred8x8_dc_neon;
  66         h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon;
  67         h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon;
  68         h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon;
  69         h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon;
  70         h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon;
  71         h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon;
  72     }
  73     }
  74
  75     h->pred16x16[DC_PRED8x8     ] = ff_pred16x16_dc_neon;
  76     h->pred16x16[VERT_PRED8x8   ] = ff_pred16x16_vert_neon;
  77     h->pred16x16[HOR_PRED8x8    ] = ff_pred16x16_hor_neon;
  78     h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon;
  79     h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon;
  80     h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon;
  81     if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 &&
  82         codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
  83         h->pred16x16[PLANE_PRED8x8  ] = ff_pred16x16_plane_neon;
  84 #endif // HAVE_NEON
  85 }
  86
  87 av_cold void ff_h264_pred_init_arm(H264PredContext *h, int codec_id,
  88                                    int bit_depth, const int chroma_format_idc)
  89 {
  90     int cpu_flags = av_get_cpu_flags();
  91
  92     if (have_neon(cpu_flags))
  93         h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc);
  94 }