1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12 #include "vpx_ports/config.h" 13 #include "vpx_ports/arm.h" 14 #include "vpx_scale/vpxscale.h" 15 16 17 void (*vp8_yv12_extend_frame_borders_ptr)(YV12_BUFFER_CONFIG *ybf); 18 extern void vp8_yv12_extend_frame_borders(YV12_BUFFER_CONFIG *ybf); 19 extern void vp8_yv12_extend_frame_borders_neon(YV12_BUFFER_CONFIG *ybf); 20 21 void (*vp8_yv12_copy_frame_yonly_ptr)(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc); 22 extern void vp8_yv12_copy_frame_yonly(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc); 23 extern void vp8_yv12_copy_frame_yonly_neon(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc); 24 25 void (*vp8_yv12_copy_frame_ptr)(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc); 26 extern void vp8_yv12_copy_frame(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc); 27 extern void vp8_yv12_copy_frame_neon(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc); 28 29 /**************************************************************************** 30 * Imports 31 *****************************************************************************/ 32 33 /**************************************************************************** 34 * 35 * ROUTINE : vp8_scale_machine_specific_config 36 * 37 * INPUTS : UINT32 Version : Codec version number. 38 * 39 * OUTPUTS : None. 40 * 41 * RETURNS : void 42 * 43 * FUNCTION : Checks for machine specifc features such as MMX support 44 * sets appropriate flags and function pointers. 45 * 46 * SPECIAL NOTES : None. 47 * 48 ****************************************************************************/ 49 void vp8_scale_machine_specific_config() 50 { 51 #if HAVE_ARMV7 && CONFIG_RUNTIME_CPU_DETECT 52 int flags; 53 #endif 54 /* 55 vp8_horizontal_line_1_2_scale = horizontal_line_1_2_scale_armv4; 56 vp8_vertical_band_1_2_scale = vertical_band_1_2_scale_armv4; 57 vp8_last_vertical_band_1_2_scale = vp8cx_last_vertical_band_1_2_scale_c; 58 vp8_horizontal_line_3_5_scale = horizontal_line_3_5_scale_armv4; 59 vp8_vertical_band_3_5_scale = vertical_band_3_5_scale_armv4; 60 vp8_last_vertical_band_3_5_scale = vp8cx_last_vertical_band_3_5_scale_c; 61 vp8_horizontal_line_3_4_scale = horizontal_line_3_4_scale_armv4; 62 vp8_vertical_band_3_4_scale = vertical_band_3_4_scale_armv4; 63 vp8_last_vertical_band_3_4_scale = vp8cx_last_vertical_band_3_4_scale_c; 64 vp8_horizontal_line_2_3_scale = horizontal_line_2_3_scale_armv4; 65 vp8_vertical_band_2_3_scale = vertical_band_2_3_scale_armv4; 66 vp8_last_vertical_band_2_3_scale = vp8cx_last_vertical_band_2_3_scale_c; 67 vp8_horizontal_line_4_5_scale = horizontal_line_4_5_scale_armv4; 68 vp8_vertical_band_4_5_scale = vertical_band_4_5_scale_armv4; 69 vp8_last_vertical_band_4_5_scale = vp8cx_last_vertical_band_4_5_scale_c; 70 71 vp8_vertical_band_5_4_scale = vp8cx_vertical_band_5_4_scale_c; 72 vp8_vertical_band_5_3_scale = vp8cx_vertical_band_5_3_scale_c; 73 vp8_vertical_band_2_1_scale = vp8cx_vertical_band_2_1_scale_c; 74 vp8_vertical_band_2_1_scale_i = vp8cx_vertical_band_2_1_scale_i_c; 75 vp8_horizontal_line_2_1_scale = vp8cx_horizontal_line_2_1_scale_c; 76 vp8_horizontal_line_5_3_scale = vp8cx_horizontal_line_5_3_scale_c; 77 vp8_horizontal_line_5_4_scale = vp8cx_horizontal_line_5_4_scale_c; 78 */ 79 80 #if !HAVE_ARMV7 || CONFIG_RUNTIME_CPU_DETECT 81 vp8_yv12_extend_frame_borders_ptr = vp8_yv12_extend_frame_borders; 82 vp8_yv12_copy_frame_yonly_ptr = vp8_yv12_copy_frame_yonly; 83 vp8_yv12_copy_frame_ptr = vp8_yv12_copy_frame; 84 #endif 85 #if HAVE_ARMV7 86 #if CONFIG_RUNTIME_CPU_DETECT 87 flags = arm_cpu_caps(); 88 if (flags & HAS_NEON) 89 #endif 90 { 91 vp8_yv12_extend_frame_borders_ptr = vp8_yv12_extend_frame_borders_neon; 92 vp8_yv12_copy_frame_yonly_ptr = vp8_yv12_copy_frame_yonly_neon; 93 vp8_yv12_copy_frame_ptr = vp8_yv12_copy_frame_neon; 94 } 95 #endif 96 } 97