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hardware_samsung/exynos4/multimedia/libs/libcsc/csc.c

740 lines
22 KiB

/*
*
* Copyright 2012 Samsung Electronics S.LSI Co. LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* @file csc.c
*
* @brief color space convertion abstract source
*
* @author Pyoungjae Jung(pjet.jung@samsung.com)
*
* @version 1.0.0
*
* @history
* 2012.1.11 : Create
*/
#define LOG_TAG "libcsc"
#include <cutils/log.h>
#include <stdio.h>
#include <stdlib.h>
#include <utils/Log.h>
#include "csc.h"
#include "sec_format.h"
#include "sec_utils_v4l2.h"
#include "swconverter.h"
#ifdef EXYNOS_OMX
#include "Exynos_OMX_Def.h"
#else
#include "SEC_OMX_Def.h"
#endif
#ifdef USE_FIMC
#include "hwconverter_wrapper.h"
#endif
#ifdef USE_GSCALER
#include "exynos_gscaler.h"
#endif
#define GSCALER_IMG_ALIGN 16
#define CSC_MAX_PLANES 3
#define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
typedef enum _CSC_PLANE {
CSC_Y_PLANE = 0,
CSC_RGB_PLANE = 0,
CSC_U_PLANE = 1,
CSC_UV_PLANE = 1,
CSC_V_PLANE = 2
} CSC_PLANE;
typedef enum _CSC_HW_TYPE {
CSC_HW_TYPE_FIMC = 0,
CSC_HW_TYPE_GSCALER
} CSC_HW_TYPE;
typedef struct _CSC_FORMAT {
unsigned int width;
unsigned int height;
unsigned int crop_left;
unsigned int crop_top;
unsigned int crop_width;
unsigned int crop_height;
unsigned int color_format;
unsigned int cacheable;
} CSC_FORMAT;
typedef struct _CSC_BUFFER {
unsigned char *planes[CSC_MAX_PLANES];
int ion_fd;
} CSC_BUFFER;
typedef struct _CSC_HANDLE {
CSC_FORMAT dst_format;
CSC_FORMAT src_format;
CSC_BUFFER dst_buffer;
CSC_BUFFER src_buffer;
CSC_METHOD csc_method;
CSC_HW_TYPE csc_hw_type;
void *csc_hw_handle;
} CSC_HANDLE;
OMX_COLOR_FORMATTYPE hal_2_omx_pixel_format(
unsigned int hal_format)
{
OMX_COLOR_FORMATTYPE omx_format;
switch (hal_format) {
case HAL_PIXEL_FORMAT_YCbCr_420_P:
omx_format = OMX_COLOR_FormatYUV420Planar;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
omx_format = OMX_COLOR_FormatYUV420SemiPlanar;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
omx_format = OMX_SEC_COLOR_FormatNV12Tiled;
break;
case HAL_PIXEL_FORMAT_ARGB888:
omx_format = OMX_COLOR_Format32bitARGB8888;
break;
default:
omx_format = OMX_COLOR_FormatYUV420Planar;
break;
}
return omx_format;
}
unsigned int omx_2_hal_pixel_format(
OMX_COLOR_FORMATTYPE omx_format)
{
unsigned int hal_format;
switch (omx_format) {
case OMX_COLOR_FormatYUV420Planar:
hal_format = HAL_PIXEL_FORMAT_YCbCr_420_P;
break;
case OMX_COLOR_FormatYUV420SemiPlanar:
hal_format = HAL_PIXEL_FORMAT_YCbCr_420_SP;
break;
case OMX_SEC_COLOR_FormatNV12Tiled:
hal_format = HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED;
break;
case OMX_COLOR_Format32bitARGB8888:
hal_format = HAL_PIXEL_FORMAT_ARGB888;
break;
default:
hal_format = HAL_PIXEL_FORMAT_YCbCr_420_P;
break;
}
return hal_format;
}
/* source is RGB888 */
static CSC_ERRORCODE conv_sw_src_argb888(
CSC_HANDLE *handle)
{
CSC_ERRORCODE ret = CSC_ErrorNone;
switch (handle->dst_format.color_format) {
case HAL_PIXEL_FORMAT_YCbCr_420_P:
csc_ARGB8888_to_YUV420P(
(unsigned char *)handle->dst_buffer.planes[CSC_Y_PLANE],
(unsigned char *)handle->dst_buffer.planes[CSC_U_PLANE],
(unsigned char *)handle->dst_buffer.planes[CSC_V_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_RGB_PLANE],
handle->src_format.width,
handle->src_format.height);
ret = CSC_ErrorNone;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
csc_ARGB8888_to_YUV420SP(
(unsigned char *)handle->dst_buffer.planes[CSC_Y_PLANE],
(unsigned char *)handle->dst_buffer.planes[CSC_UV_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_RGB_PLANE],
handle->src_format.width,
handle->src_format.height);
ret = CSC_ErrorNone;
break;
default:
ret = CSC_ErrorUnsupportFormat;
break;
}
return ret;
}
/* source is NV12T */
static CSC_ERRORCODE conv_sw_src_nv12t(
CSC_HANDLE *handle)
{
CSC_ERRORCODE ret = CSC_ErrorNone;
switch (handle->dst_format.color_format) {
case HAL_PIXEL_FORMAT_YCbCr_420_P:
csc_tiled_to_linear_y_neon(
(unsigned char *)handle->dst_buffer.planes[CSC_Y_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_Y_PLANE],
handle->src_format.width,
handle->src_format.height);
csc_tiled_to_linear_uv_deinterleave_neon(
(unsigned char *)handle->dst_buffer.planes[CSC_U_PLANE],
(unsigned char *)handle->dst_buffer.planes[CSC_V_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_UV_PLANE],
handle->src_format.width,
handle->src_format.height / 2);
ret = CSC_ErrorNone;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
csc_tiled_to_linear_y_neon(
(unsigned char *)handle->dst_buffer.planes[CSC_Y_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_Y_PLANE],
handle->src_format.width,
handle->src_format.height);
csc_tiled_to_linear_uv_neon(
(unsigned char *)handle->dst_buffer.planes[CSC_UV_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_UV_PLANE],
handle->src_format.width,
handle->src_format.height / 2);
ret = CSC_ErrorNone;
break;
default:
ret = CSC_ErrorUnsupportFormat;
break;
}
return ret;
}
/* source is YUV420P */
static CSC_ERRORCODE conv_sw_src_yuv420p(
CSC_HANDLE *handle)
{
CSC_ERRORCODE ret = CSC_ErrorNone;
switch (handle->dst_format.color_format) {
case HAL_PIXEL_FORMAT_YCbCr_420_P: /* bypass */
memcpy((unsigned char *)handle->dst_buffer.planes[CSC_Y_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_Y_PLANE],
handle->src_format.width * handle->src_format.height);
memcpy((unsigned char *)handle->dst_buffer.planes[CSC_U_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_U_PLANE],
(handle->src_format.width * handle->src_format.height) >> 2);
memcpy((unsigned char *)handle->dst_buffer.planes[CSC_V_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_V_PLANE],
(handle->src_format.width * handle->src_format.height) >> 2);
ret = CSC_ErrorNone;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
memcpy((unsigned char *)handle->dst_buffer.planes[CSC_Y_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_Y_PLANE],
handle->src_format.width * handle->src_format.height);
csc_interleave_memcpy_neon(
(unsigned char *)handle->dst_buffer.planes[CSC_UV_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_U_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_V_PLANE],
(handle->src_format.width * handle->src_format.height) >> 2);
ret = CSC_ErrorNone;
break;
default:
ret = CSC_ErrorUnsupportFormat;
break;
}
return ret;
}
/* source is YUV420SP */
static CSC_ERRORCODE conv_sw_src_yuv420sp(
CSC_HANDLE *handle)
{
CSC_ERRORCODE ret = CSC_ErrorNone;
switch (handle->dst_format.color_format) {
case HAL_PIXEL_FORMAT_YCbCr_420_P:
memcpy((unsigned char *)handle->dst_buffer.planes[CSC_Y_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_Y_PLANE],
handle->src_format.width * handle->src_format.height);
csc_deinterleave_memcpy(
(unsigned char *)handle->dst_buffer.planes[CSC_U_PLANE],
(unsigned char *)handle->dst_buffer.planes[CSC_V_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_UV_PLANE],
handle->src_format.width * handle->src_format.height >> 1);
ret = CSC_ErrorNone;
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP: /* bypass */
memcpy((unsigned char *)handle->dst_buffer.planes[CSC_Y_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_Y_PLANE],
handle->src_format.width * handle->src_format.height);
memcpy((unsigned char *)handle->dst_buffer.planes[CSC_UV_PLANE],
(unsigned char *)handle->src_buffer.planes[CSC_UV_PLANE],
handle->src_format.width * handle->src_format.height >> 1);
ret = CSC_ErrorNone;
break;
default:
ret = CSC_ErrorUnsupportFormat;
break;
}
return ret;
}
static CSC_ERRORCODE conv_sw(
CSC_HANDLE *handle)
{
CSC_ERRORCODE ret = CSC_ErrorNone;
switch (handle->src_format.color_format) {
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
ret = conv_sw_src_nv12t(handle);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_P:
ret = conv_sw_src_yuv420p(handle);
break;
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
ret = conv_sw_src_yuv420sp(handle);
break;
case HAL_PIXEL_FORMAT_ARGB888:
ret = conv_sw_src_argb888(handle);
break;
default:
ret = CSC_ErrorUnsupportFormat;
break;
}
return ret;
}
static CSC_ERRORCODE conv_hw(
CSC_HANDLE *handle)
{
CSC_ERRORCODE ret = CSC_ErrorNone;
switch (handle->csc_hw_type) {
#ifdef USE_FIMC
case CSC_HW_TYPE_FIMC:
{
void *src_addr[3];
void *dst_addr[3];
OMX_COLOR_FORMATTYPE omx_format;
src_addr[0] = handle->src_buffer.planes[CSC_Y_PLANE];
src_addr[1] = handle->src_buffer.planes[CSC_UV_PLANE];
dst_addr[0] = handle->dst_buffer.planes[CSC_Y_PLANE];
dst_addr[1] = handle->dst_buffer.planes[CSC_U_PLANE];
dst_addr[2] = handle->dst_buffer.planes[CSC_V_PLANE];
omx_format = hal_2_omx_pixel_format(handle->dst_format.color_format);
csc_hwconverter_convert_nv12t(
handle->csc_hw_handle,
dst_addr,
src_addr,
handle->dst_format.width,
handle->dst_format.height,
omx_format);
break;
}
#endif
#ifdef USE_GSCALER
case CSC_HW_TYPE_GSCALER:
exynos_gsc_convert(handle->csc_hw_handle);
break;
#endif
default:
LOGE("%s:: unsupported csc_hw_type", __func__);
break;
}
return CSC_ErrorNotImplemented;
}
void *csc_init(
CSC_METHOD *method)
{
CSC_HANDLE *csc_handle;
csc_handle = (CSC_HANDLE *)malloc(sizeof(CSC_HANDLE));
if (csc_handle == NULL)
return NULL;
memset(csc_handle, 0, sizeof(CSC_HANDLE));
csc_handle->csc_method = *method;
if (csc_handle->csc_method == CSC_METHOD_HW ||
csc_handle->csc_method == CSC_METHOD_PREFER_HW) {
#ifdef USE_FIMC
csc_handle->csc_hw_type = CSC_HW_TYPE_FIMC;
#endif
#ifdef USE_GSCALER
csc_handle->csc_hw_type = CSC_HW_TYPE_GSCALER;
#endif
switch (csc_handle->csc_hw_type) {
#ifdef USE_FIMC
case CSC_HW_TYPE_FIMC:
csc_handle->csc_hw_handle = csc_hwconverter_open();
LOGD("%s:: CSC_HW_TYPE_FIMC", __func__);
break;
#endif
#ifdef USE_GSCALER
case CSC_HW_TYPE_GSCALER:
csc_handle->csc_hw_handle = exynos_gsc_create();
LOGD("%s:: CSC_HW_TYPE_GSCALER", __func__);
break;
#endif
default:
LOGE("%s:: unsupported csc_hw_type, csc use sw", __func__);
csc_handle->csc_hw_handle == NULL;
break;
}
}
if (csc_handle->csc_method == CSC_METHOD_PREFER_HW) {
if (csc_handle->csc_hw_handle == NULL) {
csc_handle->csc_method = CSC_METHOD_SW;
*method = CSC_METHOD_SW;
} else {
csc_handle->csc_method = CSC_METHOD_HW;
*method = CSC_METHOD_HW;
}
}
if (csc_handle->csc_method == CSC_METHOD_HW) {
if (csc_handle->csc_hw_handle == NULL) {
LOGE("%s:: CSC_METHOD_HW can't open HW", __func__);
free(csc_handle);
csc_handle = NULL;
}
}
LOGD("%s:: CSC_METHOD=%d", __func__, csc_handle->csc_method);
return (void *)csc_handle;
}
CSC_ERRORCODE csc_deinit(
void *handle)
{
CSC_ERRORCODE ret = CSC_ErrorNone;
CSC_HANDLE *csc_handle;
csc_handle = (CSC_HANDLE *)handle;
if (csc_handle->csc_method == CSC_METHOD_HW) {
switch (csc_handle->csc_hw_type) {
#ifdef USE_FIMC
case CSC_HW_TYPE_FIMC:
csc_hwconverter_close(csc_handle->csc_hw_handle);
break;
#endif
#ifdef USE_GSCALER
case CSC_HW_TYPE_GSCALER:
exynos_gsc_destroy(csc_handle->csc_hw_handle);
break;
#endif
default:
LOGE("%s:: unsupported csc_hw_type", __func__);
break;
}
}
if (csc_handle != NULL) {
free(csc_handle);
ret = CSC_ErrorNone;
}
return ret;
}
CSC_ERRORCODE csc_get_method(
void *handle,
CSC_METHOD *method)
{
CSC_HANDLE *csc_handle;
CSC_ERRORCODE ret = CSC_ErrorNone;
if (handle == NULL)
return CSC_ErrorNotInit;
csc_handle = (CSC_HANDLE *)handle;
*method = csc_handle->csc_method;
return ret;
}
CSC_ERRORCODE csc_get_src_format(
void *handle,
unsigned int *width,
unsigned int *height,
unsigned int *crop_left,
unsigned int *crop_top,
unsigned int *crop_width,
unsigned int *crop_height,
unsigned int *color_format,
unsigned int *cacheable)
{
CSC_HANDLE *csc_handle;
CSC_ERRORCODE ret = CSC_ErrorNone;
if (handle == NULL)
return CSC_ErrorNotInit;
csc_handle = (CSC_HANDLE *)handle;
*width = csc_handle->src_format.width;
*height = csc_handle->src_format.height;
*crop_left = csc_handle->src_format.crop_left;
*crop_top = csc_handle->src_format.crop_top;
*crop_width = csc_handle->src_format.crop_width;
*crop_height = csc_handle->src_format.crop_height;
*color_format = csc_handle->src_format.color_format;
*cacheable = csc_handle->src_format.cacheable;
return ret;
}
CSC_ERRORCODE csc_set_src_format(
void *handle,
unsigned int width,
unsigned int height,
unsigned int crop_left,
unsigned int crop_top,
unsigned int crop_width,
unsigned int crop_height,
unsigned int color_format,
unsigned int cacheable)
{
CSC_HANDLE *csc_handle;
CSC_ERRORCODE ret = CSC_ErrorNone;
if (handle == NULL)
return CSC_ErrorNotInit;
csc_handle = (CSC_HANDLE *)handle;
csc_handle->src_format.width = width;
csc_handle->src_format.height = height;
csc_handle->src_format.crop_left = crop_left;
csc_handle->src_format.crop_top = crop_top;
csc_handle->src_format.crop_width = crop_width;
csc_handle->src_format.crop_height = crop_height;
csc_handle->src_format.color_format = color_format;
csc_handle->src_format.cacheable = cacheable;
if (csc_handle->csc_method == CSC_METHOD_HW) {
switch (csc_handle->csc_hw_type) {
case CSC_HW_TYPE_FIMC:
break;
#ifdef USE_GSCALER
case CSC_HW_TYPE_GSCALER:
exynos_gsc_set_src_format(
csc_handle->csc_hw_handle,
ALIGN(csc_handle->src_format.width, GSCALER_IMG_ALIGN),
ALIGN(csc_handle->src_format.height, GSCALER_IMG_ALIGN),
csc_handle->src_format.crop_left,
csc_handle->src_format.crop_top,
ALIGN(csc_handle->src_format.crop_width, GSCALER_IMG_ALIGN),
ALIGN(csc_handle->src_format.crop_height, GSCALER_IMG_ALIGN),
HAL_PIXEL_FORMAT_2_V4L2_PIX(csc_handle->src_format.color_format),
csc_handle->src_format.cacheable);
break;
#endif
default:
LOGE("%s:: unsupported csc_hw_type", __func__);
break;
}
}
return ret;
}
CSC_ERRORCODE csc_get_dst_format(
void *handle,
unsigned int *width,
unsigned int *height,
unsigned int *crop_left,
unsigned int *crop_top,
unsigned int *crop_width,
unsigned int *crop_height,
unsigned int *color_format,
unsigned int *cacheable)
{
CSC_HANDLE *csc_handle;
CSC_ERRORCODE ret = CSC_ErrorNone;
if (handle == NULL)
return CSC_ErrorNotInit;
csc_handle = (CSC_HANDLE *)handle;
*width = csc_handle->dst_format.width;
*height = csc_handle->dst_format.height;
*crop_left = csc_handle->dst_format.crop_left;
*crop_top = csc_handle->dst_format.crop_top;
*crop_width = csc_handle->dst_format.crop_width;
*crop_height = csc_handle->dst_format.crop_height;
*color_format = csc_handle->dst_format.color_format;
*cacheable = csc_handle->dst_format.cacheable;
return ret;
}
CSC_ERRORCODE csc_set_dst_format(
void *handle,
unsigned int width,
unsigned int height,
unsigned int crop_left,
unsigned int crop_top,
unsigned int crop_width,
unsigned int crop_height,
unsigned int color_format,
unsigned int cacheable)
{
CSC_HANDLE *csc_handle;
CSC_ERRORCODE ret = CSC_ErrorNone;
if (handle == NULL)
return CSC_ErrorNotInit;
csc_handle = (CSC_HANDLE *)handle;
csc_handle->dst_format.width = width;
csc_handle->dst_format.height = height;
csc_handle->dst_format.crop_left = crop_left;
csc_handle->dst_format.crop_top = crop_top;
csc_handle->dst_format.crop_width = crop_width;
csc_handle->dst_format.crop_height = crop_height;
csc_handle->dst_format.color_format = color_format;
csc_handle->dst_format.cacheable = cacheable;
if (csc_handle->csc_method == CSC_METHOD_HW) {
switch (csc_handle->csc_hw_type) {
case CSC_HW_TYPE_FIMC:
break;
#ifdef USE_GSCALER
case CSC_HW_TYPE_GSCALER:
exynos_gsc_set_dst_format(
csc_handle->csc_hw_handle,
ALIGN(csc_handle->dst_format.width, GSCALER_IMG_ALIGN),
ALIGN(csc_handle->dst_format.height, GSCALER_IMG_ALIGN),
csc_handle->dst_format.crop_left,
csc_handle->dst_format.crop_top,
ALIGN(csc_handle->dst_format.crop_width, GSCALER_IMG_ALIGN),
ALIGN(csc_handle->dst_format.crop_height, GSCALER_IMG_ALIGN),
HAL_PIXEL_FORMAT_2_V4L2_PIX(csc_handle->dst_format.color_format),
csc_handle->dst_format.cacheable);
break;
#endif
default:
LOGE("%s:: unsupported csc_hw_type", __func__);
break;
}
}
return ret;
}
CSC_ERRORCODE csc_set_src_buffer(
void *handle,
unsigned char *y,
unsigned char *u,
unsigned char *v,
int ion_fd)
{
CSC_HANDLE *csc_handle;
CSC_ERRORCODE ret = CSC_ErrorNone;
void *addr[3] = {NULL, };
if (handle == NULL)
return CSC_ErrorNotInit;
csc_handle = (CSC_HANDLE *)handle;
csc_handle->src_buffer.planes[CSC_Y_PLANE] = y;
csc_handle->src_buffer.planes[CSC_U_PLANE] = u;
csc_handle->src_buffer.planes[CSC_V_PLANE] = v;
if (csc_handle->csc_method == CSC_METHOD_HW) {
addr[0] = csc_handle->src_buffer.planes[CSC_Y_PLANE];
addr[1] = csc_handle->src_buffer.planes[CSC_U_PLANE];
addr[2] = csc_handle->src_buffer.planes[CSC_V_PLANE];
switch (csc_handle->csc_hw_type) {
case CSC_HW_TYPE_FIMC:
break;
#ifdef USE_GSCALER
case CSC_HW_TYPE_GSCALER:
exynos_gsc_set_src_addr(csc_handle->csc_hw_handle, addr);
break;
#endif
default:
LOGE("%s:: unsupported csc_hw_type", __func__);
break;
}
}
return ret;
}
CSC_ERRORCODE csc_set_dst_buffer(
void *handle,
unsigned char *y,
unsigned char *u,
unsigned char *v,
int ion_fd)
{
CSC_HANDLE *csc_handle;
CSC_ERRORCODE ret = CSC_ErrorNone;
void *addr[3] = {NULL, };
if (handle == NULL)
return CSC_ErrorNotInit;
csc_handle = (CSC_HANDLE *)handle;
csc_handle->dst_buffer.planes[CSC_Y_PLANE] = y;
csc_handle->dst_buffer.planes[CSC_U_PLANE] = u;
csc_handle->dst_buffer.planes[CSC_V_PLANE] = v;
if (csc_handle->csc_method == CSC_METHOD_HW) {
addr[0] = csc_handle->dst_buffer.planes[CSC_Y_PLANE];
addr[1] = csc_handle->dst_buffer.planes[CSC_U_PLANE];
addr[2] = csc_handle->dst_buffer.planes[CSC_V_PLANE];
switch (csc_handle->csc_hw_type) {
case CSC_HW_TYPE_FIMC:
break;
#ifdef USE_GSCALER
case CSC_HW_TYPE_GSCALER:
exynos_gsc_set_dst_addr(csc_handle->csc_hw_handle, addr);
break;
#endif
default:
LOGE("%s:: unsupported csc_hw_type", __func__);
break;
}
}
return ret;
}
CSC_ERRORCODE csc_convert(
void *handle)
{
CSC_HANDLE *csc_handle = (CSC_HANDLE *)handle;
CSC_ERRORCODE ret = CSC_ErrorNone;
if (csc_handle == NULL)
return CSC_ErrorNotInit;
if (csc_handle->csc_method == CSC_METHOD_HW)
ret = conv_hw(csc_handle);
else
ret = conv_sw(csc_handle);
return ret;
}