Ejemplo n.º 1
0
static mblk_t * pixconv_alloc_mblk(PixConvState *s){
	if (s->yuv_msg!=NULL){
		int ref=s->yuv_msg->b_datap->db_ref;
		if (ref==1){
			return dupmsg(s->yuv_msg);
		}else{
			/*the last msg is still referenced by somebody else*/
			ms_message("Somebody still retaining yuv buffer (ref=%i)",ref);
			freemsg(s->yuv_msg);
			s->yuv_msg=NULL;
		}
	}
	s->yuv_msg=yuv_buf_alloc(&s->outbuf,s->size.width,s->size.height);
	return dupmsg(s->yuv_msg);
}
Ejemplo n.º 2
0
static mblk_t *size_conv_alloc_mblk(SizeConvState *s){
	if (s->om!=NULL){
		int ref=s->om->b_datap->db_ref;
		if (ref==1){
			return dupmsg(s->om);
		}else{
			/*the last msg is still referenced by somebody else*/
			ms_message("size_conv_alloc_mblk: Somebody still retaining yuv buffer (ref=%i)",ref);
			freemsg(s->om);
			s->om=NULL;
		}
	}
	s->om=yuv_buf_alloc(&s->outbuf,s->target_vsize.width,s->target_vsize.height);
	return dupmsg(s->om);
}
Ejemplo n.º 3
0
static mblk_t *get_as_yuvmsg(MSFilter *f, DecData *s, AVFrame *orig){
	AVCodecContext *ctx=&s->av_context;

	if (s->outbuf.w!=ctx->width || s->outbuf.h!=ctx->height){
		if (s->sws_ctx!=NULL){
			ms_sws_freeContext(s->sws_ctx);
			s->sws_ctx=NULL;
			freemsg(s->yuv_msg);
			s->yuv_msg=NULL;
		}
		ms_message("Getting yuv picture of %ix%i",ctx->width,ctx->height);
		s->yuv_msg=yuv_buf_alloc(&s->outbuf,ctx->width,ctx->height);
		s->outbuf.w=ctx->width;
		s->outbuf.h=ctx->height;
		s->sws_ctx=ms_sws_getContext(ctx->width,ctx->height,ctx->pix_fmt,
			ctx->width,ctx->height,PIX_FMT_YUV420P,SWS_FAST_BILINEAR,
                	NULL, NULL, NULL);
	}
	if (ms_sws_scale(s->sws_ctx,orig->data,orig->linesize, 0,
					ctx->height, s->outbuf.planes, s->outbuf.strides)<0){
		ms_error("%s: error in sws_scale().",f->desc->name);
	}
	return dupmsg(s->yuv_msg);
}