s32 cellPngDecExtSetParameter(PHandle handle, PStream stream, PInParam inParam, POutParam outParam, PExtInParam extInParam, PExtOutParam extOutParam)
{
cellPngDec.warning("cellPngDecExtSetParameter(handle=*0x%x, stream=*0x%x, inParam=*0x%x, outParam=*0x%x, extInParam=*0x%x, extOutParam=*0x%x", handle, stream, inParam, outParam, extInParam, extOutParam);
return pngDecSetParameter(stream, inParam, outParam, extInParam, extOutParam);
}
static s32 decodePNG(pngDecSource *src,pngData *out)
{
s32 mHandle,sHandle,ret;
u32 space_allocated;
u64 bytes_per_line;
pngDecInfo DecInfo;
pngDecInParam inParam;
pngDecOutParam outParam;
pngDecDataInfo DecDataInfo;
pngDecThreadInParam InThdParam;
pngDecThreadOutParam OutThdParam;
InThdParam.enable = 0;
InThdParam.ppu_prio = 512;
InThdParam.spu_prio = 200;
InThdParam.malloc_func = __get_addr32(__get_opd32(png_malloc));
InThdParam.malloc_arg = 0; // no args
InThdParam.free_func = __get_addr32(__get_opd32(png_free));
InThdParam.free_arg = 0; // no args
ret= pngDecCreate(&mHandle, &InThdParam, &OutThdParam);
out->bmp_out = NULL;
if(ret==0) {
ret = pngDecOpen(mHandle,&sHandle,src,&space_allocated);
if(ret==0) {
ret = pngDecReadHeader(mHandle,sHandle,&DecInfo);
if(ret==0) {
inParam.cmd_ptr = 0;
inParam.mode = PNGDEC_TOP_TO_BOTTOM;
inParam.space = PNGDEC_ARGB;
inParam.bit_depth = 8;
inParam.pack_flag = 1;
if(DecInfo.space==PNGDEC_GRAYSCALE_ALPHA || DecInfo.space==PNGDEC_RGBA || DecInfo.chunk_info&0x10)
inParam.alpha_select = 0;
else
inParam.alpha_select = 1;
inParam.alpha = 0xff;
ret = pngDecSetParameter(mHandle,sHandle,&inParam,&outParam);
}
if(ret==0) {
out->pitch = bytes_per_line = outParam.width*4;
//out->bmp_out = malloc(out->pitch*outParam.height);
out->bmp_out = rsxMemalign(64, out->pitch*outParam.height);
if(!out->bmp_out)
ret = -1;
else {
memset(out->bmp_out,0,(bytes_per_line*outParam.height));
ret = pngDecDecodeData(mHandle,sHandle,out->bmp_out,&bytes_per_line,&DecDataInfo);
if(ret==0 && DecDataInfo.status==0) {
out->width = outParam.width;
out->height = outParam.height;
ret = 0;
}
}
}
pngDecClose(mHandle,sHandle);
}
if(ret && out->bmp_out) {
free(out->bmp_out);
out->bmp_out = NULL;
}
pngDecDestroy(mHandle);
}
return ret;
}