FFmpeg: libavcodec/arm/h264pred_init

00001 /*
00002  * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #include <stdint.h>
00022 
00023 #include "libavutil/arm/cpu.h"
00024 #include "libavcodec/h264pred.h"
00025 
00026 void ff_pred16x16_vert_neon(uint8_t *src, int stride);
00027 void ff_pred16x16_hor_neon(uint8_t *src, int stride);
00028 void ff_pred16x16_plane_neon(uint8_t *src, int stride);
00029 void ff_pred16x16_dc_neon(uint8_t *src, int stride);
00030 void ff_pred16x16_128_dc_neon(uint8_t *src, int stride);
00031 void ff_pred16x16_left_dc_neon(uint8_t *src, int stride);
00032 void ff_pred16x16_top_dc_neon(uint8_t *src, int stride);
00033 
00034 void ff_pred8x8_vert_neon(uint8_t *src, int stride);
00035 void ff_pred8x8_hor_neon(uint8_t *src, int stride);
00036 void ff_pred8x8_plane_neon(uint8_t *src, int stride);
00037 void ff_pred8x8_dc_neon(uint8_t *src, int stride);
00038 void ff_pred8x8_128_dc_neon(uint8_t *src, int stride);
00039 void ff_pred8x8_left_dc_neon(uint8_t *src, int stride);
00040 void ff_pred8x8_top_dc_neon(uint8_t *src, int stride);
00041 void ff_pred8x8_l0t_dc_neon(uint8_t *src, int stride);
00042 void ff_pred8x8_0lt_dc_neon(uint8_t *src, int stride);
00043 void ff_pred8x8_l00_dc_neon(uint8_t *src, int stride);
00044 void ff_pred8x8_0l0_dc_neon(uint8_t *src, int stride);
00045 
00046 static void ff_h264_pred_init_neon(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
00047 {
00048     const int high_depth = bit_depth > 8;
00049 
00050     if (high_depth)
00051         return;
00052     if(chroma_format_idc == 1){
00053     h->pred8x8[VERT_PRED8x8     ] = ff_pred8x8_vert_neon;
00054     h->pred8x8[HOR_PRED8x8      ] = ff_pred8x8_hor_neon;
00055     if (codec_id != CODEC_ID_VP8)
00056         h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon;
00057     h->pred8x8[DC_128_PRED8x8   ] = ff_pred8x8_128_dc_neon;
00058     if (codec_id != CODEC_ID_RV40 && codec_id != CODEC_ID_VP8) {
00059         h->pred8x8[DC_PRED8x8     ] = ff_pred8x8_dc_neon;
00060         h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon;
00061         h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon;
00062         h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon;
00063         h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon;
00064         h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon;
00065         h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon;
00066     }
00067     }
00068 
00069     h->pred16x16[DC_PRED8x8     ] = ff_pred16x16_dc_neon;
00070     h->pred16x16[VERT_PRED8x8   ] = ff_pred16x16_vert_neon;
00071     h->pred16x16[HOR_PRED8x8    ] = ff_pred16x16_hor_neon;
00072     h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon;
00073     h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon;
00074     h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon;
00075     if (codec_id != CODEC_ID_SVQ3 && codec_id != CODEC_ID_RV40 && codec_id != CODEC_ID_VP8)
00076         h->pred16x16[PLANE_PRED8x8  ] = ff_pred16x16_plane_neon;
00077 }
00078 
00079 void ff_h264_pred_init_arm(H264PredContext *h, int codec_id, int bit_depth, const int chroma_format_idc)
00080 {
00081     int cpu_flags = av_get_cpu_flags();
00082 
00083     if (have_neon(cpu_flags))
00084         ff_h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc);
00085 }
libavcodec/arm/h264pred_init_arm.c
