reallocBuffers(c, width, height, stride);
reallocBuffers(c, width, height, stride, qpStride);
pp_context_t *pp_get_context(int width, int height, int cpuCaps){	PPContext *c= memalign(32, sizeof(PPContext));	int stride= (width+15)&(~15); //assumed / will realloc if needed        	global_init();	memset(c, 0, sizeof(PPContext));	c->cpuCaps= cpuCaps;	if(cpuCaps&PP_FORMAT){		c->hChromaSubSample= cpuCaps&0x3;		c->vChromaSubSample= (cpuCaps>>4)&0x3;	}else{		c->hChromaSubSample= 1;		c->vChromaSubSample= 1;	}	reallocBuffers(c, width, height, stride);        	c->frameNum=-1;	return c;}