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/* oclnv12toyuv.c
Copyright (c) 2003-2012 HandBrake Team
This file is part of the HandBrake source code
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License v2.
For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
Authors: Peng Gao <peng@multicorewareinc.com> <http://www.multicorewareinc.com/>
Li Cao <li@multicorewareinc.com> <http://www.multicorewareinc.com/>
*/
#ifdef USE_OPENCL
#ifdef USE_HWD
#include "vadxva2.h"
#include "oclnv12toyuv.h"
/**
* It creates are opencl bufs w is input frame width, h is input frame height
*/
static int hb_nv12toyuv_create_cl_buf( KernelEnv *kenv, int w, int h, hb_va_dxva2_t *dxva2 );
/**
* It creates are opencl kernel. kernel name is nv12toyuv
*/
static int hb_nv12toyuv_create_cl_kernel( KernelEnv *kenv, hb_va_dxva2_t *dxva2 );
/**
* It set opencl arg, input data,output data, input width, output height
*/
static int hb_nv12toyuv_setkernelarg( KernelEnv *kenv, int w, int h, hb_va_dxva2_t *dxva2 );
/**
* It initialize nv12 to yuv kernel.
*/
static int hb_init_nv12toyuv_ocl( KernelEnv *kenv, int w, int h, hb_va_dxva2_t *dxva2 );
/**
* Run nv12 to yuv kernel.
*/
static int hb_nv12toyuv( void **userdata, KernelEnv *kenv );
/**
* register nv12 to yuv kernel.
*/
static int hb_nv12toyuv_reg_kernel( void );
/**
* It creates are opencl bufs w is input frame width, h is input frame height
*/
static int hb_nv12toyuv_create_cl_buf( KernelEnv *kenv, int w, int h, hb_va_dxva2_t *dxva2 )
{
cl_int status = CL_SUCCESS;
int in_bytes = w*h*3/2;
CREATEBUF( dxva2->cl_mem_nv12, CL_MEM_READ_ONLY | CL_MEM_ALLOC_HOST_PTR, in_bytes );
CREATEBUF( dxva2->cl_mem_yuv, CL_MEM_READ_WRITE | CL_MEM_ALLOC_HOST_PTR, in_bytes );
return 0;
}
/**
* It creates are opencl kernel. kernel name is nv12toyuv
*/
static int hb_nv12toyuv_create_cl_kernel( KernelEnv *kenv, hb_va_dxva2_t *dxva2 )
{
int ret;
dxva2->nv12toyuv = clCreateKernel( kenv->program, "nv12toyuv", &ret );
return ret;
}
/**
* It set opencl arg, input data,output data, input width, output height
*/
static int hb_nv12toyuv_setkernelarg( KernelEnv *kenv, int w, int h, hb_va_dxva2_t *dxva2 )
{
int arg = 0, status;
kenv->kernel = dxva2->nv12toyuv;
OCLCHECK( clSetKernelArg, kenv->kernel, arg++, sizeof(cl_mem), &dxva2->cl_mem_nv12 );
OCLCHECK( clSetKernelArg, kenv->kernel, arg++, sizeof(cl_mem), &dxva2->cl_mem_yuv );
OCLCHECK( clSetKernelArg, kenv->kernel, arg++, sizeof(int), &w );
OCLCHECK( clSetKernelArg, kenv->kernel, arg++, sizeof(int), &h );
return 0;
}
/**
* It initialize nv12 to yuv kernel.
*/
static int hb_init_nv12toyuv_ocl( KernelEnv *kenv, int w, int h, hb_va_dxva2_t *dxva2 )
{
if( !dxva2->nv12toyuv )
{
if( hb_nv12toyuv_create_cl_buf( kenv, w, h, dxva2 ) )
{
hb_log( "OpenCL: nv12toyuv_create_cl_buf fail" );
return -1;
}
if (!dxva2->nv12toyuv_tmp_in)
{
dxva2->nv12toyuv_tmp_in = malloc (w*h*3/2);
}
if (!dxva2->nv12toyuv_tmp_out)
{
dxva2->nv12toyuv_tmp_out = malloc (w*h*3/2);
}
hb_nv12toyuv_create_cl_kernel( kenv, dxva2 );
}
return 0;
}
/**
* copy_plane
* @param dst -
* @param src -
* @param dstride -
* @param sstride -
* @param h -
*/
static uint8_t *copy_plane( uint8_t *dst, uint8_t* src, int dstride, int sstride,
int h )
{
if ( dstride == sstride )
{
memcpy( dst, src, dstride * h );
return dst + dstride * h;
}
int lbytes = dstride <= sstride? dstride : sstride;
while ( --h >= 0 )
{
memcpy( dst, src, lbytes );
src += sstride;
dst += dstride;
}
return dst;
}
/**
* Run nv12 to yuv kernel.
*/
static int hb_nv12toyuv( void **userdata, KernelEnv *kenv )
{
int status;
int w = (int)userdata[0];
int h = (int)userdata[1];
uint8_t *bufi1 = userdata[2];
int *crop = userdata[3];
hb_va_dxva2_t *dxva2 = userdata[4];
uint8_t *bufi2 = userdata[5];
int p = (int)userdata[6];
int decomb = (int)userdata[7];
int detelecine = (int)userdata[8];
int i;
if( hb_init_nv12toyuv_ocl( kenv, w, h, dxva2 ) )
{
return -1;
}
if( hb_nv12toyuv_setkernelarg( kenv, w, h, dxva2 ) )
{
return -1;
}
int in_bytes = w*h*3/2;
if( kenv->isAMD )
{
void *data = clEnqueueMapBuffer( kenv->command_queue, dxva2->cl_mem_nv12, CL_MAP_WRITE_INVALIDATE_REGION, CL_TRUE, 0, in_bytes, 0, NULL, NULL, NULL );
for ( i = 0; i < dxva2->height; i++ )
{
memcpy( data + i * dxva2->width, bufi1 + i * p, dxva2->width );
if ( i < dxva2->height >> 1 )
{
memcpy( data + ( dxva2->width * dxva2->height ) + i * dxva2->width, bufi2 + i * p, dxva2->width );
}
}
clEnqueueUnmapMemObject( kenv->command_queue, dxva2->cl_mem_nv12, data, 0, NULL, NULL );
}
else
{
uint8_t *tmp = (uint8_t*)malloc( dxva2->width * dxva2->height * 3 / 2 );
for( i = 0; i < dxva2->height; i++ )
{
memcpy( tmp + i * dxva2->width, bufi1 + i * p, dxva2->width );
if( i < dxva2->height >> 1 )
{
memcpy( tmp + (dxva2->width * dxva2->height) + i * dxva2->width, bufi2 + i * p, dxva2->width );
}
}
OCLCHECK( clEnqueueWriteBuffer, kenv->command_queue, dxva2->cl_mem_nv12, CL_TRUE, 0, in_bytes, tmp, 0, NULL, NULL );
free( tmp );
}
size_t gdim[2] = {w>>1, h>>1};
OCLCHECK( clEnqueueNDRangeKernel, kenv->command_queue, kenv->kernel, 2, NULL, gdim, NULL, 0, NULL, NULL );
if( (crop[0] || crop[1] || crop[2] || crop[3]) && (decomb == 0) && (detelecine == 0) )
{
AVPicture pic_in;
AVPicture pic_crop;
clEnqueueReadBuffer( kenv->command_queue, dxva2->cl_mem_yuv, CL_TRUE, 0, in_bytes, dxva2->nv12toyuv_tmp_out, 0, NULL, NULL );
hb_buffer_t *in = hb_video_buffer_init( w, h );
int wmp = in->plane[0].stride;
int hmp = in->plane[0].height;
copy_plane( in->plane[0].data, dxva2->nv12toyuv_tmp_out, wmp, w, hmp );
wmp = in->plane[1].stride;
hmp = in->plane[1].height;
copy_plane( in->plane[1].data, dxva2->nv12toyuv_tmp_out + w * h, wmp, w>>1, hmp );
wmp = in->plane[2].stride;
hmp = in->plane[2].height;
copy_plane( in->plane[2].data, dxva2->nv12toyuv_tmp_out + w * h +( ( w * h )>>2 ), wmp, w>>1, hmp );
hb_avpicture_fill( &pic_in, in );
av_picture_crop( &pic_crop, &pic_in, in->f.fmt, crop[0], crop[2] );
int i, ww = w - ( crop[2] + crop[3] ), hh = h - ( crop[0] + crop[1] );
for( i = 0; i< hh >> 1; i++ )
{
memcpy( dxva2->nv12toyuv_tmp_in + ( ( i << 1 ) + 0 ) * ww, pic_crop.data[0]+ ( ( i << 1 ) + 0 ) * pic_crop.linesize[0], ww );
memcpy( dxva2->nv12toyuv_tmp_in + ( ( i << 1 ) + 1 ) * ww, pic_crop.data[0]+ ( ( i << 1 ) + 1 ) * pic_crop.linesize[0], ww );
memcpy( dxva2->nv12toyuv_tmp_in + ( ww * hh ) + i * ( ww >> 1 ), pic_crop.data[1] + i * pic_crop.linesize[1], ww >> 1 );
memcpy( dxva2->nv12toyuv_tmp_in + ( ww * hh ) + ( ( ww * hh )>>2 ) + i * ( ww >> 1 ), pic_crop.data[2] + i * pic_crop.linesize[2], ww >> 1 );
}
if( kenv->isAMD )
{
void *data = clEnqueueMapBuffer( kenv->command_queue, dxva2->cl_mem_yuv, CL_MAP_WRITE_INVALIDATE_REGION, CL_TRUE, 0, ww * hh * 3 / 2, 0, NULL, NULL, NULL );
memcpy( data, dxva2->nv12toyuv_tmp_in, ww * hh * 3 / 2 );
clEnqueueUnmapMemObject( kenv->command_queue, dxva2->cl_mem_yuv, data, 0, NULL, NULL );
}
else
{
OCLCHECK( clEnqueueWriteBuffer, kenv->command_queue, dxva2->cl_mem_yuv, CL_TRUE, 0, in_bytes, dxva2->nv12toyuv_tmp_in, 0, NULL, NULL );
}
hb_buffer_close( &in );
}
return 0;
}
/**
* register nv12 to yuv kernel.
*/
static int hb_nv12toyuv_reg_kernel( void )
{
int st = hb_register_kernel_wrapper( "nv12toyuv", hb_nv12toyuv );
if( !st )
{
hb_log( "OpenCL: register kernel[%s] failed", "nv12toyuv" );
return -1;
}
return 0;
}
/**
* nv12 to yuv interface
* bufi is input frame of nv12, w is input frame width, h is input frame height
*/
int hb_ocl_nv12toyuv( uint8_t *bufi[], int p, int w, int h, int *crop, hb_va_dxva2_t *dxva2, int decomb, int detelecine )
{
void *userdata[9];
userdata[0] = (void*)w;
userdata[1] = (void*)h;
userdata[2] = bufi[0];
userdata[3] = crop;
userdata[4] = dxva2;
userdata[5] = bufi[1];
userdata[6] = (void*)p;
userdata[7] = decomb;
userdata[8] = detelecine;
if( hb_nv12toyuv_reg_kernel() )
{
return -1;
}
if( hb_run_kernel( "nv12toyuv", userdata ) )
{
hb_log( "OpenCL: run kernel[nv12toyuv] failed" );
return -1;
}
return 0;
}
#endif
#endif
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