ref: 330dd67b7b0619da57492ca24207425026b387f4
dir: /vpx_scale/blackfin/yv12extend.c/
/* * Copyright (c) 2010 The VP8 project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ /**************************************************************************** * * Module Title : yv12extend.c * * Description : * ***************************************************************************/ /**************************************************************************** * Header Files ****************************************************************************/ #include <cdef_bf533.h> #include "vpx_scale/yv12config.h" #include "vpx_mem/vpx_mem.h" /**************************************************************************** * ****************************************************************************/ /**************************************************************************** * ****************************************************************************/ void extend_memset(void *dst, unsigned char value, unsigned int size) { #if 0 unsigned int quad_value; quad_value = (unsigned int) value; quad_value |= (unsigned int) value << 8; quad_value |= (unsigned int) value << 16; quad_value |= (unsigned int) value << 24; #else unsigned short quad_value; quad_value = (unsigned int) value; quad_value |= (unsigned int) value << 8; #endif if (size / 2 >= 64 * 1024) printf("_Extend_memset__________ dma memset is broken\n"); *p_mdma_s1_start_addr = &quad_value; *p_mdma_s1_x_count = size / 2; *p_mdma_s1_x_modify = 0x0; *p_mdma_d1_start_addr = dst; *p_mdma_d1_x_count = size / 2; *p_mdma_d1_x_modify = 2; *p_mdma_s1_config = DMAEN | WDSIZE_16; asm("ssync;"); *p_mdma_d1_config = DI_EN | DMAEN | WNR | WDSIZE_16; asm("ssync;"); while ((*p_mdma_d1_irq_status & DMA_DONE) == 0); *p_mdma_d1_irq_status |= DMA_DONE; } /**************************************************************************** * ****************************************************************************/ void extend_memcpy(void *dst, void *src, unsigned int size) { if (size / 2 >= 64 * 1024) printf("_Extend_memcpy__________ dma memcpy is broken\n"); if ((size & 0x3)) printf("_)__________ size not a multiple of 4\n"); //32 bit dma here caused some data to be corrupted --- WHY ?????? *p_mdma_s1_start_addr = src; *p_mdma_s1_x_count = size / 2; *p_mdma_s1_x_modify = 2; *p_mdma_d1_start_addr = dst; *p_mdma_d1_x_count = size / 2; *p_mdma_d1_x_modify = 2; *p_mdma_s1_config = DMAEN | WDSIZE_16; asm("ssync;"); *p_mdma_d1_config = DI_EN | DMAEN | WNR | WDSIZE_16; asm("ssync;"); while ((*p_mdma_d1_irq_status & DMA_DONE) == 0); *p_mdma_d1_irq_status |= DMA_DONE; } /**************************************************************************** * ****************************************************************************/ void vp8_yv12_extend_frame_borders(YV12_BUFFER_CONFIG *ybf) { #if 1 int i; unsigned char *src_ptr1, *src_ptr2; unsigned char *dest_ptr1, *dest_ptr2; unsigned int Border; int plane_stride; int plane_height; int plane_width; unsigned int quad_sample; unsigned int sample; /***********/ /* Y Plane */ /***********/ Border = ybf->border; plane_stride = ybf->y_stride; plane_height = ybf->y_height; plane_width = ybf->y_width; // copy the left and right most columns out src_ptr1 = ybf->y_buffer; src_ptr2 = src_ptr1 + plane_width - 1; dest_ptr1 = src_ptr1 - Border; dest_ptr2 = src_ptr2 + 1; for (i = 0; i < plane_height; i++) { extend_memset(dest_ptr1, src_ptr1[0], Border); extend_memset(dest_ptr2, src_ptr2[0], Border); src_ptr1 += plane_stride; src_ptr2 += plane_stride; dest_ptr1 += plane_stride; dest_ptr2 += plane_stride; } // Now copy the top and bottom source lines into each line of the respective borders src_ptr1 = ybf->y_buffer - Border; src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride; dest_ptr1 = src_ptr1 - (Border * plane_stride); dest_ptr2 = src_ptr2 + plane_stride; for (i = 0; i < (int)Border; i++) { extend_memcpy(dest_ptr1, src_ptr1, plane_stride); dest_ptr1 += plane_stride; } for (i = 0; i < (int)Border; i++) { extend_memcpy(dest_ptr2, src_ptr2, plane_stride); dest_ptr2 += plane_stride; } plane_stride /= 2; plane_height /= 2; plane_width /= 2; Border /= 2; /***********/ /* U Plane */ /***********/ // copy the left and right most columns out src_ptr1 = ybf->u_buffer; src_ptr2 = src_ptr1 + plane_width - 1; dest_ptr1 = src_ptr1 - Border; dest_ptr2 = src_ptr2 + 1; for (i = 0; i < plane_height; i++) { extend_memset(dest_ptr1, src_ptr1[0], Border); extend_memset(dest_ptr2, src_ptr2[0], Border); src_ptr1 += plane_stride; src_ptr2 += plane_stride; dest_ptr1 += plane_stride; dest_ptr2 += plane_stride; } // Now copy the top and bottom source lines into each line of the respective borders src_ptr1 = ybf->u_buffer - Border; src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride; dest_ptr1 = src_ptr1 - (Border * plane_stride); dest_ptr2 = src_ptr2 + plane_stride; for (i = 0; i < (int)(Border); i++) { extend_memcpy(dest_ptr1, src_ptr1, plane_stride); dest_ptr1 += plane_stride; } for (i = 0; i < (int)(Border); i++) { extend_memcpy(dest_ptr2, src_ptr2, plane_stride); dest_ptr2 += plane_stride; } /***********/ /* V Plane */ /***********/ // copy the left and right most columns out src_ptr1 = ybf->v_buffer; src_ptr2 = src_ptr1 + plane_width - 1; dest_ptr1 = src_ptr1 - Border; dest_ptr2 = src_ptr2 + 1; for (i = 0; i < plane_height; i++) { extend_memset(dest_ptr1, src_ptr1[0], Border); extend_memset(dest_ptr2, src_ptr2[0], Border); src_ptr1 += plane_stride; src_ptr2 += plane_stride; dest_ptr1 += plane_stride; dest_ptr2 += plane_stride; } // Now copy the top and bottom source lines into each line of the respective borders src_ptr1 = ybf->v_buffer - Border; src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride; dest_ptr1 = src_ptr1 - (Border * plane_stride); dest_ptr2 = src_ptr2 + plane_stride; for (i = 0; i < (int)(Border); i++) { extend_memcpy(dest_ptr1, src_ptr1, plane_stride); dest_ptr1 += plane_stride; } for (i = 0; i < (int)(Border); i++) { extend_memcpy(dest_ptr2, src_ptr2, plane_stride); dest_ptr2 += plane_stride; } #endif } /**************************************************************************** * * ROUTINE : vp8_yv12_copy_frame * * INPUTS : * * OUTPUTS : None. * * RETURNS : void * * FUNCTION : Copies the source image into the destination image and * updates the destination's UMV borders. * * SPECIAL NOTES : The frames are assumed to be identical in size. * ****************************************************************************/ void vp8_yv12_copy_frame(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc) { #if 1 int row; unsigned char *source, *dest; source = src_ybc->y_buffer; dest = dst_ybc->y_buffer; for (row = 0; row < src_ybc->y_height; row++) { extend_memcpy(dest, source, src_ybc->y_width); source += src_ybc->y_stride; dest += dst_ybc->y_stride; } source = src_ybc->u_buffer; dest = dst_ybc->u_buffer; for (row = 0; row < src_ybc->uv_height; row++) { extend_memcpy(dest, source, src_ybc->uv_width); source += src_ybc->uv_stride; dest += dst_ybc->uv_stride; } source = src_ybc->v_buffer; dest = dst_ybc->v_buffer; for (row = 0; row < src_ybc->uv_height; row++) { extend_memcpy(dest, source, src_ybc->uv_width); source += src_ybc->uv_stride; dest += dst_ybc->uv_stride; } vp8_yv12_extend_frame_borders(dst_ybc); #else int row; char *source, *dest; int height; int width; height = src_ybc->y_height + (src_ybc->border * 2); width = src_ybc->y_width + (src_ybc->border * 2); source = src_ybc->y_buffer; dest = dst_ybc->y_buffer; for (row = 0; row < height; row++) { extend_memcpy(dest, source, width); source += src_ybc->y_stride; dest += dst_ybc->y_stride; } height = src_ybc->uv_height + (src_ybc->border); width = src_ybc->uv_width + (src_ybc->border); source = src_ybc->u_buffer; dest = dst_ybc->u_buffer; for (row = 0; row < height; row++) { extend_memcpy(dest, source, width); source += src_ybc->uv_stride; dest += dst_ybc->uv_stride; } source = src_ybc->v_buffer; dest = dst_ybc->v_buffer; for (row = 0; row < height; row++) { extend_memcpy(dest, source, width); source += src_ybc->uv_stride; dest += dst_ybc->uv_stride; } #endif }