C++ (Cpp) pixconv_alloc_mblk Exemples

Exemple #1

static void pixconv_process(MSFilter *f){
	mblk_t *im,*om;
	PixConvState *s=(PixConvState*)f->data;

	while((im=ms_queue_get(f->inputs[0]))!=NULL){
		if (s->in_fmt==s->out_fmt){
			om=im;
		}else{
			AVPicture inbuf;
			avpicture_fill(&inbuf,im->b_rptr,s->in_fmt,s->size.width,s->size.height);
			om=pixconv_alloc_mblk(s);
			if (s->sws_ctx==NULL){
				s->sws_ctx=sws_getContext(s->size.width,s->size.height,
				s->in_fmt,s->size.width,s->size.height,
				s->out_fmt,SWS_FAST_BILINEAR,
                		NULL, NULL, NULL);
			}
			if (sws_scale(s->sws_ctx,inbuf.data,inbuf.linesize, 0,
				0, s->outbuf.planes, s->outbuf.strides)!=0){
				ms_error("MSPixConv: Error in sws_scale().");
			}
			freemsg(im);
		}
		if (om!=NULL) ms_queue_put(f->outputs[0],om);
	}
}

Exemple #2

Fichier : pixconv.c Projet : Accontech/mediastreamer2

static void pixconv_process(MSFilter *f){
	mblk_t *im,*om=NULL;
	PixConvState *s=(PixConvState*)f->data;

	while((im=ms_queue_get(f->inputs[0]))!=NULL){
		if (s->in_fmt==s->out_fmt){
			om=im;
		}else{
			MSPicture inbuf;
			if (ms_picture_init_from_mblk_with_size(&inbuf,im,s->in_fmt,s->size.width,s->size.height)==0){
				om=pixconv_alloc_mblk(s);
				if (s->scaler==NULL){
					s->scaler=ms_scaler_create_context(inbuf.w, inbuf.h,
						s->in_fmt,inbuf.w,inbuf.h,
						s->out_fmt,MS_SCALER_METHOD_BILINEAR);
				}
				if (s->in_fmt==MS_RGB24_REV){
					inbuf.planes[0]+=inbuf.strides[0]*(inbuf.h-1);
					inbuf.strides[0]=-inbuf.strides[0];
				}
				if (ms_scaler_process (s->scaler,inbuf.planes,inbuf.strides, s->outbuf.planes, s->outbuf.strides)<0){
					ms_error("MSPixConv: Error in ms_sws_scale().");
				}
			}
			freemsg(im);
		}
		if (om!=NULL) ms_queue_put(f->outputs[0],om);
	}
}