static int
readCompressed(InstanceState *inst, void *buf, int len)
{
int clen, frames;
void *data = NULL;
/* Debug Message */
/* PRINT("In readCompressed\n"); */
if (inst == NULL) {
return -1;
}
if (inst->xil_cis == NULL) {
return -1;
}
if (inst->scaled_image) {
xil_scale(inst->rtvc_image, inst->scaled_image, "nearest",
inst->sx, inst->sy);
xil_compress(inst->scaled_image, inst->xil_cis);
xil_cis_sync(inst->xil_cis);
if (xil_cis_get_write_invalid(inst->xil_cis)) {
updateXilCis(inst);
return -1;
}
xil_toss(inst->rtvc_image);
xil_toss(inst->scaled_image);
} else {
xil_compress(inst->rtvc_image, inst->xil_cis);
xil_cis_sync(inst->xil_cis);
if (xil_cis_get_write_invalid(inst->xil_cis)) {
updateXilCis(inst);
return -1;
}
xil_toss(inst->rtvc_image);
}
if (xil_cis_has_frame(inst->xil_cis)) {
data = (void *)xil_cis_get_bits_ptr(inst->xil_cis, &clen, &frames);
}
if (data) {
if (clen > len) {
/* Debug Message */
PRINT("readCompressed: buffer too short\n");
clen = -1;
} else {
memcpy(buf, data, clen);
}
} else {
clen = -1;
}
return clen;
}
static int
readRaw(InstanceState *inst, void *buf, int len)
{
XilImage image;
XilMemoryStorage storage;
int clen;
/* Debug Message */
/* PRINT("In readRaw\n"); */
if (inst == NULL) {
return -1;
}
if (inst->scaled_image) {
xil_scale(inst->rtvc_image, inst->scaled_image, "nearest",
inst->sx, inst->sy);
image = inst->scaled_image;
} else {
image = inst->rtvc_image;
}
xil_color_convert(image, inst->colored_image);
xil_toss(image);
xil_export(inst->colored_image);
xil_get_memory_storage(inst->colored_image, &storage);
inst->inStrideX = storage.byte.scanline_stride;
clen = storage.byte.scanline_stride * inst->outHeight;
if (clen > len) {
/* Debug Message */
PRINT("readRaw: buffer too short\n");
clen = -1;
} else {
memcpy(buf, (void *)storage.byte.data, clen);
}
xil_import(inst->colored_image, 0);
xil_toss(inst->colored_image);
return clen;
}
int XILWindowAssistor::consume(const VideoFrame* vf)
{
int len=0,dofree=0;
u_char *bp,*p=NULL;
float scale[3], offset[3];
XilColorspace ycc, rgb;
// fprintf(stderr,"XILWindowAssistor::"__FUNCTION__"\n");
switch (type_) {
case FT_JPEG|FT_HW: {
JpegFrame* jf = (JpegFrame*)vf;
if ( (jf->type_ != lastjpegtype_) ||
(jf->q_ != inq_) ||
(jf->width_ != width_) ||
(jf->height_ != height_)
) {
//fprintf(stderr,"w=%d,h=%d,q=%d\n",jf->width_,jf->height_,jf->q_);
reset(jf->type_,jf->q_, jf->width_, jf->height_);
}
len=jf->len_;
bp=jf->bp_;
dofree=1;
if (sentfirstheader) {
p = new u_char[sizeof(jfif_header2)+len];
memcpy(p,jfif_header2,sizeof(jfif_header2));
memcpy(p+sizeof(jfif_header2),bp,len);
len+=sizeof(jfif_header2);
} else {
p = new u_char[sizeof(jfif_header1)+len];
memcpy(p,jfif_header1,sizeof(jfif_header1));
memcpy(p+sizeof(jfif_header1),bp,len);
len+=sizeof(jfif_header1);
sentfirstheader=1;
}
break;
}
case FT_CELLB: {
CellBFrame* hf = (CellBFrame*) vf;
len=hf->len_;
p=hf->bp_;
xil_cis_set_attribute(cis_, "WIDTH", (void *)hf->width_);
xil_cis_set_attribute(cis_, "HEIGHT", (void *)hf->height_);
break;
}
case FT_H261: {
H261Frame* hf = (H261Frame*) vf;
len=hf->len_;
p=hf->bp_;
//Don't accept double zero bytes. xil chokes on that.
while ((p[0]==0)&&(p[1]==0)&&len) {
p++;len--;
}
break;
}
}
xil_cis_put_bits(cis_,len,1/*framecount*/,p);
if (dofree) delete[] p; //move this to the end, if you use put_bits_ptr //SV-XXX: Debian
outputtype = xil_cis_get_output_type(cis_);
xil_imagetype_get_info(outputtype, &cis_xsize, &cis_ysize,&cis_nbands, &cis_datatype);
if (!imageYCC || (lastcisw!=cis_xsize) || (lastcish!=cis_ysize)) {
lastcish = cis_ysize;
lastcisw = cis_xsize;
//fprintf(stderr," w=%d,h=%d,b=%d,t=%d\n",cis_xsize,cis_ysize,cis_nbands,cis_datatype);
if (imageYCC) xil_destroy(imageYCC);
if (ximage_) xil_destroy(ximage_);
ximage_ = xil_create(xil_,cis_xsize,cis_ysize,cis_nbands,cis_datatype);
imageYCC = xil_create(xil_,cis_xsize,cis_ysize,cis_nbands,cis_datatype);
}
if (visual == PSEUDOCOLOR) {
scale[0] = 255.0 / (235.0 - 16.0);
scale[1] = 255.0 / (240.0 - 16.0);
scale[2] = 255.0 / (240.0 - 16.0);
offset[0] = -16.0 * scale[0];
offset[1] = -16.0 * scale[1];
offset[2] = -16.0 * scale[2];
if (!x_cmap) {
colorcube = xil_lookup_get_by_name(xil_, "cc855");
dmask = xil_dithermask_get_by_name(xil_, "dm443");
xil_cmap = create_cmap(&x_cmap, FT_JPEG, NULL,
xil_lookup_get_by_name(xil_, "yuv_to_rgb"),
colorcube
);
}
/* Begin XIL Molecule... */
xil_decompress( cis_, imageYCC );
xil_rescale(imageYCC, imageYCC, scale, offset);
xil_scale(imageYCC,ximage_,"nearest",(1.0*targetw_)/lastcisw,(1.0*targeth_)/lastcish);
xil_ordered_dither( ximage_, displayimage_, colorcube, dmask);
/* End of XIL Molecule */
}
if (visual == TRUECOLOR) {
ycc = xil_colorspace_get_by_name(xil_, "ycc601");
rgb = xil_colorspace_get_by_name(xil_, "rgb709");
/* for H261, XIL may drop core on the last frame
* to avoid this, only continue as long as 2 or
* more frames in the CIS */
/* Begin XIL molecule */
xil_set_attribute(displayimage_,"HW_DECOMPRESS_CIS",(void *)-1);
xil_decompress(cis_, imageYCC);
if ((targetw_ == lastcisw) && (targeth_ == lastcish)) {
xil_set_colorspace(imageYCC, ycc);
xil_set_colorspace(displayimage_, rgb);
xil_color_convert(imageYCC, displayimage_);
} else {
xil_set_colorspace(imageYCC, ycc);
xil_set_colorspace(ximage_, rgb);
xil_color_convert(imageYCC, ximage_);
xil_scale(ximage_,displayimage_,"nearest",(1.0*targetw_)/lastcisw,(1.0*targeth_)/lastcish);
}
/* End of XIL molecule */
}
xil_cis_sync(cis_);
xil_toss(imageYCC);
xil_toss(ximage_);
xil_cis_reset(cis_);
return (0);
}