remove sdlout (old file)

src/sdlout.c

-/*
-mediastreamer2 library - modular sound and video processing and streaming
-Copyright (C) 2006  Simon MORLAT (simon.morlat@linphone.org)
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-*/
-
-
-#include "mediastreamer2/msfilter.h"
-#include "mediastreamer2/msvideo.h"
-
-#include <SDL/SDL.h>
-#include <SDL/SDL_video.h>
-
-typedef struct SdlOut
-{
-	MSVideoSize size;
-	MSVideoSize local_size; /*size of local preview */
-	MSPixFmt format;
-	SDL_Surface *screen;
-	SDL_Overlay *overlay;
-	mblk_t *smallb;
-	int scale_factor;
-	bool_t lsize_init;
-} SdlOut;
-
-
-#define SCALE_FACTOR 6
-
-static bool_t sdl_initialized=FALSE;
-
-static void sdl_out_init(MSFilter  *f){
-	SdlOut *obj=ms_new(SdlOut,1);
-	obj->size.width = MS_VIDEO_SIZE_CIF_W;
-	obj->size.height = MS_VIDEO_SIZE_CIF_H;
-	obj->local_size.width = MS_VIDEO_SIZE_CIF_W;
-	obj->local_size.height = MS_VIDEO_SIZE_CIF_H;
-	obj->lsize_init=FALSE;
-	obj->scale_factor=SCALE_FACTOR;
-	obj->format=MS_RGB24;
-	obj->screen=NULL;
-	obj->overlay=NULL;
-	obj->smallb=NULL;
-
-#if !defined(WIN32) && !defined(__APPLE__)
-	if (!sdl_initialized){
-
-		/* Initialize the SDL library */
-		if( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
-			ms_error("Couldn't initialize SDL: %s", SDL_GetError());
-			return;
-		}
-		/* Clean up on exit */
-		atexit(SDL_Quit);
-		sdl_initialized=TRUE;
-	}
-#endif
-	f->data=obj;
-}
-
-static void sdl_destroy_window(SdlOut *obj){
-	if (obj->overlay!=NULL){
-		SDL_FreeYUVOverlay(obj->overlay);
-		obj->overlay=NULL;
-	}
-	if (obj->screen!=NULL){
-		SDL_FreeSurface(obj->screen);
-		obj->screen=NULL;
-	}
-}
-
-static void sdl_out_uninit(MSFilter *f){
-	SdlOut *s=(SdlOut*)f->data;
-	sdl_destroy_window(s);
-	if (s->smallb!=NULL) freemsg(s->smallb);
-	ms_free(s);
-}
-
-static void sdl_create_window(SdlOut *obj){
-	obj->screen = SDL_SetVideoMode(obj->size.width, obj->size.height, 0,SDL_SWSURFACE);
-	if ( obj->screen == NULL ) {
-		ms_warning("Couldn't set video mode: %s\n",
-						SDL_GetError());
-		return ;
-	}
-	if (obj->screen->flags & SDL_HWSURFACE) ms_message("SDL surface created in hardware");
-	SDL_WM_SetCaption("Linphone Video", NULL);
-	
-	if (obj->format==MS_YUV420P){
-		ms_message("Using yuv overlay.");
-		obj->overlay=SDL_CreateYUVOverlay(obj->size.width,obj->size.height,SDL_YV12_OVERLAY,obj->screen);
-		if (obj->overlay==NULL){
-			ms_warning("Couldn't create yuv overlay: %s\n",
-							SDL_GetError());
-			return;
-		}else{
-			if (obj->overlay->hw_overlay) ms_message("YUV overlay using hardware acceleration.");
-		}
-	}
-}
-
-mblk_t * resize_yuv_small(unsigned char *pict, int w, int h, int scale){
-	int i,j,id,jd;
-	int nh,nw;
-	unsigned char *smallpict;
-	int ysize,usize,ydsize,udsize;
-	int smallpict_sz;
-	unsigned char *dptr,*sptr;
-	mblk_t *smallb;
-	nw=w/scale;
-	nh=h/scale;
-	ysize=w*h;
-	usize=ysize/4;
-	ydsize=nw*nh;
-	udsize=ydsize/4;
-	smallpict_sz=(ydsize*3)/2;
-	smallb=allocb(smallpict_sz,0);
-	smallpict=smallb->b_wptr;
-	smallb->b_wptr+=smallpict_sz;
-	
-	dptr=smallpict;
-	sptr=pict;
-	for (j=0,jd=0;j<nh;j++,jd+=scale){
-		for (i=0,id=0;i<nw;i++,id+=scale){
-			dptr[(j*nw) + i]=sptr[(jd*w)+id];
-		}
-	}
-	
-	nh=nh/2;
-	nw=nw/2;
-	w=w/2;
-	h=h/2;
-	dptr+=ydsize;
-	sptr+=ysize;
-	for (j=0,jd=0;j<nh;j++,jd+=scale){
-		for (i=0,id=0;i<nw;i++,id+=scale){
-			dptr[(j*nw) + i]=sptr[(jd*w)+id];
-		}
-	}
-	dptr+=udsize;
-	sptr+=usize;
-	for (j=0,jd=0;j<nh;j++,jd+=scale){
-		for (i=0,id=0;i<nw;i++,id+=scale){
-			dptr[(j*nw) + i]=sptr[(jd*w)+id];
-		}
-	}
-	
-	return smallb;
-}
-
-static void fill_overlay_at_pos(SDL_Overlay *lay, mblk_t *m, int x, int y, int w, int h){
-	unsigned char *data=m->b_rptr;
-	int i,j;
-	int jlim,ilim;
-	int off;
-	unsigned char *dptr;
-	
-	ilim=MIN(x+w,lay->w);
-	jlim=MIN(y+h,lay->h);
-	SDL_LockYUVOverlay(lay);
-	/* set Y */
-	dptr=lay->pixels[0];
-	for (j=y;j<jlim;j++){
-		off=j*lay->w;
-		for (i=x;i<ilim;i++){
-			dptr[off + i]=*data;
-			data++;
-		}
-	}
-	/*set U and V*/
-	ilim=ilim/2;
-	jlim=jlim/2;
-	dptr=lay->pixels[2];
-	for (j=y/2;j<jlim;j++){
-		off=j*(lay->w/2);
-		for (i=x/2;i<ilim;i++){
-			dptr[off + i]=*data;
-			data++;
-		}
-	}
-	dptr=lay->pixels[1];
-	for (j=y/2;j<jlim;j++){
-		off=j*(lay->w/2);
-		for (i=x/2;i<ilim;i++){
-			dptr[off + i]=*data;
-			data++;
-		}
-	}
-	SDL_UnlockYUVOverlay(lay);
-}
-
-static void fill_overlay(SDL_Overlay *lay,mblk_t *m){
-	
-	int w2,h2;
-	char *data=(char*)m->b_rptr;
-	int ysize=lay->pitches[0]*lay->h;
-	int usize;
-	w2=lay->w/2;
-	h2=lay->h/2;
-	usize=w2*h2;
-	SDL_LockYUVOverlay(lay);
-	memcpy(lay->pixels[0],data,ysize);
-	memcpy(lay->pixels[2],data+ysize,usize);
-	memcpy(lay->pixels[1],data+ysize+usize,usize);
-	SDL_UnlockYUVOverlay(lay);
-}
-
-static void sdl_out_process(MSFilter *f){
-	SdlOut *obj=(SdlOut*)f->data;
-	mblk_t *inm0=NULL;
-	mblk_t *inm1=NULL;
-	int err;
-	SDL_Rect smallrect;
-	SDL_Rect rect;
-	bool_t got_preview=FALSE;
-	
-#if defined(WIN32) || defined(__APPLE__)
-	if (!sdl_initialized){
-
-		/* Initialize the SDL library */
-		if( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
-			ms_error("Couldn't initialize SDL: %s", SDL_GetError());
-			return;
-		}
-		/* Clean up on exit */
-		atexit(SDL_Quit);
-		sdl_initialized=TRUE;
-	}
-#endif
-
-	if (obj->screen==NULL){
-		sdl_create_window(obj);
-	}
-
-	rect.w=obj->size.width;
-	rect.h=obj->size.height;
-	rect.x=0;
-	rect.y=0;
-	smallrect.w=obj->size.width/SCALE_FACTOR;
-	smallrect.h=obj->size.height/SCALE_FACTOR;
-	smallrect.x=obj->size.width - smallrect.w ;
-	smallrect.y=obj->size.height -smallrect.h;
-	
-	
-	while (f->inputs[0]!=NULL && (inm0=ms_queue_get(f->inputs[0]))!=NULL){
-		SDL_Surface *surf;
-		if  (obj->format==MS_YUV420P){
-			fill_overlay(obj->overlay,inm0);
-		}else {
-			surf=SDL_CreateRGBSurfaceFrom(inm0->b_rptr,obj->size.width,obj->size.height,24,obj->size.width*3,0,0,0,0);
-
-			err=SDL_BlitSurface(surf,NULL,obj->screen,NULL);
-			if (err<0) ms_warning("Fail to blit surface: %s",SDL_GetError());
-			SDL_FreeSurface(surf);
-		}
-		freemsg(inm0);
-	}
-	while (f->inputs[1]!=NULL && (inm1=ms_queue_get(f->inputs[1]))!=NULL){
-		/* this message is blitted on the right,bottom corner of the screen */
-		SDL_Surface *surf;
-		got_preview=TRUE;
-		if (!obj->lsize_init){
-			/*attempt to guess the video size of the local preview buffer*/
-			int bsize=msgdsize(inm1);
-			if (bsize<(MS_VIDEO_SIZE_CIF_W*MS_VIDEO_SIZE_CIF_H*3/2)){
-				/*surely qcif ?*/
-				obj->local_size.width=MS_VIDEO_SIZE_QCIF_W;
-				obj->local_size.height=MS_VIDEO_SIZE_QCIF_H;
-				ms_message("preview is in QCIF.");
-				obj->scale_factor=SCALE_FACTOR/2;
-			}
-			obj->lsize_init=TRUE;
-		}
-		if  (obj->format==MS_YUV420P){
-			if (obj->smallb!=NULL) {
-				freemsg(obj->smallb);
-			}
-			obj->smallb=resize_yuv_small(inm1->b_rptr,obj->local_size.width,obj->local_size.height,obj->scale_factor);
-			fill_overlay_at_pos(obj->overlay,obj->smallb,smallrect.x, smallrect.y, smallrect.w, smallrect.h);
-			freemsg(inm1);
-		}else {
-			surf=SDL_CreateRGBSurfaceFrom(inm1->b_rptr,obj->size.width,obj->size.height,24,obj->size.width*3,0,0,0,0);
-
-			err=SDL_BlitSurface(surf,NULL,obj->screen,&smallrect);
-			if (err<0) ms_warning("Fail to blit surface: %s",SDL_GetError());
-			SDL_FreeSurface(surf);
-		}
-	}
-	if (!got_preview){
-		/* this is the case were we have only inm0, we have to redisplay inm1 */
-		if  (obj->format==MS_YUV420P){
-			if (obj->smallb!=NULL){
-				fill_overlay_at_pos(obj->overlay,obj->smallb,smallrect.x, smallrect.y, smallrect.w, smallrect.h);
-			}
-		}
-	}
-	
-	if (obj->format==MS_YUV420P) SDL_DisplayYUVOverlay(obj->overlay,&rect);
-	else SDL_UpdateRect(obj->screen,0,0,obj->size.width,obj->size.height);
-	
-#if defined(WIN32) || defined(__APPLE__)
-	{
-		SDL_Event event;
-		SDL_PollEvent(&event);
-	}
-#endif
-}
-
-static int sdl_out_set_pix_fmt(MSFilter *f,void *arg){
-	SdlOut *s=(SdlOut*)f->data;
-	s->format=*(MSPixFmt*)arg;
-	return 0;
-}
-
-static int sdl_out_set_vsize(MSFilter *f,void *arg){
-	SdlOut *s=(SdlOut*)f->data;
-	s->size=*(MSVideoSize*)arg;
-	s->local_size=*(MSVideoSize*)arg;
-	return 0;
-}
-
-static MSFilterMethod methods[]={
-	{	MS_FILTER_SET_PIX_FMT	,	sdl_out_set_pix_fmt},
-	{	MS_FILTER_SET_VIDEO_SIZE	,	sdl_out_set_vsize },
-	{	0	,NULL}
-};
-
-#ifdef _MSC_VER
-
-MSFilterDesc ms_sdl_out_desc={
-	MS_SDL_OUT_ID,
-	"MSSdlOut",
-	N_("A video display window using SDL"),
-	MS_FILTER_OTHER,
-	NULL,
-	2,
-	0,
-	sdl_out_init,
-	NULL,
-	sdl_out_process,
-	NULL,
-	sdl_out_uninit,
-	methods
-};
-
-#else
-
-MSFilterDesc ms_sdl_out_desc={
-	.id=MS_SDL_OUT_ID,
-	.name="MSSdlOut",
-	.text=N_("A video display window using SDL"),
-	.category=MS_FILTER_OTHER,
-	.ninputs=2,
-	.noutputs=0,
-	.init=sdl_out_init,
-	.process=sdl_out_process,
-	.uninit=sdl_out_uninit,
-	.methods=methods
-};
-
-#endif
-
-MS_FILTER_DESC_EXPORT(ms_sdl_out_desc)