PlaYUVerPixel PlaYUVerPixel::ConvertPixel( ColorSpace eOutputSpace )
{
Int outA, outB, outC;
PlaYUVerPixel outPixel( COLOR_INVALID, 0, 0, 0 );
if( ColorSpace() == eOutputSpace || eOutputSpace == COLOR_ARGB || eOutputSpace == COLOR_GRAY )
return *this;
if( eOutputSpace == COLOR_RGB )
{
YuvToRgb( Y(), Cb(), Cr(), outA, outB, outC );
outPixel.R() = outA;
outPixel.G() = outB;
outPixel.B() = outC;
}
if( eOutputSpace == COLOR_YUV )
{
rgbToYuv( R(), G(), B(), outA, outB, outC );
outPixel.Y() = outA;
outPixel.Cb() = outB;
outPixel.Cr() = outC;
}
return outPixel;
}
void
decode_start(int* out_data_image_width, int* out_data_image_height, int* out_data_comp_vpos, int* out_data_comp_hpos)
{
int i;
int CurrentMCU = 0;
int HuffBuff[NUM_COMPONENT][DCTSIZE2];
int IDCTBuff[6][DCTSIZE2];
/* Read buffer */
CurHuffReadBuf = p_jinfo_jpeg_data;
/*
* Initial value of DC element is 0
*/
for(i = 0; i < NUM_COMPONENT; i++){
HuffBuff[i][0] = 0;
}
/*
* Set the size of image to output buffer
*/
*out_data_image_width = p_jinfo_image_width;
*out_data_image_height = p_jinfo_image_height;
/*
* Initialize output buffer
*/
for(i = 0; i < RGB_NUM; i++){
out_data_comp_vpos[i] = 0;
out_data_comp_hpos[i] = 0;
}
if(p_jinfo_smp_fact == SF1_1_1){
// printf("Decode 1:1:1 NumMCU = %d\n",p_jinfo_NumMCU);
/*
* 1_1_1
*/
while(CurrentMCU < p_jinfo_NumMCU){
for(i = 0; i < NUM_COMPONENT; i++){
decode_block(i, IDCTBuff[i], HuffBuff[i]);
}
YuvToRgb(0,IDCTBuff[0],IDCTBuff[1],IDCTBuff[2]);
/*
* Write
*/
for(i = 0; i < RGB_NUM; i++){
WriteBlock(&rgb_buf[0][i][0],
&out_data_comp_vpos[i],
&out_data_comp_hpos[i],
&OutData_comp_buf[i][0]);
}
CurrentMCU++;
}
}else{
// printf("Decode 4:1:1 NumMCU = %d\n",p_jinfo_NumMCU);
/*
* 4_1_1
*/
while(CurrentMCU < p_jinfo_NumMCU){
/*
* Decode Y element
* Decoding Y, U and V elements should be sequentially conducted for the use of Huffman table
*/
for(i = 0; i < 4; i++){
decode_block(0, IDCTBuff[i], HuffBuff[0]);
}
/* Decode U */
decode_block(1, IDCTBuff[4], HuffBuff[1]);
/* Decode V */
decode_block(2, IDCTBuff[5], HuffBuff[2]);
/* Transform from Yuv into RGB */
for(i = 0; i < 4; i++){
YuvToRgb(i,IDCTBuff[i],IDCTBuff[4],IDCTBuff[5]);
}
for(i = 0; i < RGB_NUM; i++){
Write4Blocks(&rgb_buf[0][i][0],
&rgb_buf[1][i][0],
&rgb_buf[2][i][0],
&rgb_buf[3][i][0],
&out_data_comp_vpos[i],
&out_data_comp_hpos[i],
&OutData_comp_buf[i][0]);
}
CurrentMCU += 4;
}
}
}
int
decode_start (int x[4000],int m, int y[4000],int n)
{
data_in(x,m);
//data1();
int i;
int CurrentMCU = 0;
int HuffBuff[NUM_COMPONENT][DCTSIZE2];
int IDCTBuff[6][DCTSIZE2];
/* Read buffer */
CurHuffReadBuf = p_jinfo_jpeg_data_;
/*
* Initial value of DC element is 0
*/
for (i = 0; i < NUM_COMPONENT; i++)
{
HuffBuff[i][0] = 0;
}
/*
* Set the size of image to output buffer
*/
OutData_image_width_ = p_jinfo_image_width_;
OutData_image_height_ = p_jinfo_image_height_;
/*
* Initialize output buffer
*/
for (i = 0; i < RGB_NUM; i++)
{
OutData_comp_vpos_[i] = 0;
OutData_comp_hpos_[i] = 0;
}
if (p_jinfo_smp_fact_ == SF1_1_1)
{
printf ("Decode 1:1:1 NumMCU = %d\n", p_jinfo_NumMCU_);
/*
* 1_1_1
*/
while (CurrentMCU < p_jinfo_NumMCU_)
{
for (i = 0; i < NUM_COMPONENT; i++)
{
decode_block (i, IDCTBuff[i], HuffBuff[i]);
}
YuvToRgb (0, IDCTBuff[0], IDCTBuff[1], IDCTBuff[2]);
/*
* Write
*/
for (i = 0; i < RGB_NUM; i++)
{
WriteBlock (&rgb_buf[0][i][0],
&OutData_comp_vpos_[i],
&OutData_comp_hpos_[i], &OutData_comp_buf_[i][0]);
}
CurrentMCU++;
}
}
else
{
printf ("Decode 4:1:1 NumMCU = %d\n", p_jinfo_NumMCU_);
/*
* 4_1_1
*/
while (CurrentMCU < p_jinfo_NumMCU_)
{
/*
* Decode Y element
* Decoding Y, U and V elements should be sequentially conducted for the use of Huffman table
*/
for (i = 0; i < 4; i++)
{
decode_block (0, IDCTBuff[i], HuffBuff[0]);
}
/* Decode U */
decode_block (1, IDCTBuff[4], HuffBuff[1]);
/* Decode V */
decode_block (2, IDCTBuff[5], HuffBuff[2]);
/* Transform from Yuv into RGB */
for (i = 0; i < 4; i++)
{
YuvToRgb (i, IDCTBuff[i], IDCTBuff[4], IDCTBuff[5]);
}
for (i = 0; i < RGB_NUM; i++)
{
Write4Blocks (&rgb_buf[0][i][0],
&rgb_buf[1][i][0],
&rgb_buf[2][i][0],
&rgb_buf[3][i][0],
&OutData_comp_vpos_[i],
&OutData_comp_hpos_[i], &OutData_comp_buf_[i][0]);
}
CurrentMCU += 4;
}
}
//data2();
data_out(x,n);
return m+n+*y;
}
