ref: a5906668a32c46a0f033b3a503ac5a159b77fce3
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
}