void
setq(int q)
{
int qt[64];
jpeg_luma_qt(q, qt);
for (int i = 0; i < 64; ++i)
jfifhdr[i + JFIF_OFF_LUMA_QUANT] = qt[i];
jpeg_chroma_qt(q, qt);
for (i = 0; i < 64; ++i)
jfifhdr[i + JFIF_OFF_CHROMA_QUANT] = qt[i];
}
void XILOutputAssistor::setq(int q)
{
int qt[8][8];
XilJpegQTable xq;
inq_ = q;
sentfirstheader=0;
jpeg_luma_qt(q, (int*)qt);
xq.table = 0;
xq.value = qt;
(void)xil_cis_set_attribute(cis_, "QUANTIZATION_TABLE", (void*)&xq);
jpeg_chroma_qt(q, (int*)qt);
xq.table = 1;
xq.value = qt;
(void)xil_cis_set_attribute(cis_, "QUANTIZATION_TABLE", (void*)&xq);
}
void XILWindowAssistor::reset(int type,int q, int w, int h)
{
int qt[64];
unsigned int i,j;
//fprintf(stderr,"XILWindowAssistor::"__FUNCTION__"\n");
Module::size(w, h);
inq_ = q;
sentfirstheader=0;
lastjpegtype_ = type;
switch (type) {
case 1: /* 420 */
decimation_ = 420;
break;
default:
decimation_ = 422;
break;
}
for (i=0;i<sizeof(jfif_header1_);i++) {
if (jfif_header1[i]!=0xff)
continue;
i++;if (i==sizeof(jfif_header1)) break;
switch (jfif_header1[i]) {
case M_DQT:
//well the size is correct. we have defined the table
i+=3;
switch (jfif_header1[i]) {
case 0:/* LUMA */
i++;
jpeg_luma_qt(q,qt);
for (j=0;j<64;j++)
jfif_header1[i+j]=qt[mapkoord2jfifentry[j]];
break;
case 1:/* CHROMA */
i++;
jpeg_chroma_qt(q,qt);
for (j=0;j<64;j++)
jfif_header1[i+j]=qt[mapkoord2jfifentry[j]];
break;
}
break;
case M_SOF0:
i+=3;
i++; /* sample precision */
jfif_header1[i++] = h>>8;
jfif_header1[i++] = h&0xff;
jfif_header1[i++] = w>>8;
jfif_header1[i++] = w&0xff;
i++; /* components (3) */
i++; /* comp id 0 */
if (decimation_ == 420)
jfif_header1[i++] = 0x22;/* 0x22 for 2 hor/2 vert */
else
jfif_header1[i++] = 0x21;/* 0x21 for 2 hor/1 vert */
i++; /* quant dest */
i++; /* comp id 1 */
i++; /* hor/ver quant 1:1 */
i++; /* quant dest */
i++; /* comp id 2 */
i++; /* hor/ver quant 1:1 */
i++; /* quant dest */
break;
default:
//fprintf(stderr,"blocktype %02x\n",jfif_header1[i]);
break;
}
}
for (i=0;i<sizeof(jfif_header2);i++) {
if (jfif_header2[i]!=0xff)
continue;
i++;if (i==sizeof(jfif_header2)) break;
switch (jfif_header2[i]) {
case M_SOF0:
i+=3;
i++; /* sample precision */
jfif_header2[i++] = h>>8;
jfif_header2[i++] = h&0xff;
jfif_header2[i++] = w>>8;
jfif_header2[i++] = w&0xff;
i++; /* components (3) */
i++; /* comp id 0 */
if (decimation_ == 420)
jfif_header2[i++] = 0x22;/* 0x22 for 2 hor/2 vert */
else
jfif_header2[i++] = 0x21;/* 0x21 for 2 hor/1 vert */
i++; /* quant dest */
i++; /* comp id 1 */
i++; /* hor/ver quant 1:1 */
i++; /* quant dest */
i++; /* comp id 2 */
i++; /* hor/ver quant 1:1 */
i++; /* quant dest */
break;
default:
break;
}
}
/*
* Make sure all outstanding putimage's finish.
* Syncing with the first window, syncs the server,
* and hence all of them.
*/
window_->sync();
}
