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|
/*********************************************************************************
* recordMyDesktop *
**********************************************************************************
* *
* Copyright (C) 2006 John Varouhakis *
* *
* *
* 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 *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
**********************************************************************************/
#include <recordmydesktop.h>
int main(int argc,char **argv){
ProgData pdata;
int exit_status=0;
if(XInitThreads ()==0){
fprintf(stderr,"Couldn't initialize thread support!\n");
exit(7);
}
DEFAULT_ARGS(&pdata.args);
if(ParseArgs(argc,argv,&pdata.args)){
exit(1);
}
if(pdata.args.display!=NULL)
pdata.dpy = XOpenDisplay(pdata.args.display);
else{
fprintf(stderr,"No display specified for connection!\n");
exit(8);
}
if (pdata.dpy == NULL) {
fprintf(stderr, "Cannot connect to X server %s\n",pdata.args.display);
exit(9);
}
else{
EncData enc_data;
CacheData cache_data;
pthread_t poll_damage_t,
image_capture_t,
image_encode_t,
image_cache_t,
sound_capture_t,
sound_encode_t,
sound_cache_t,
flush_to_ogg_t,
load_cache_t;
XShmSegmentInfo shminfo;
int i;
QUERY_DISPLAY_SPECS(pdata.dpy,&pdata.specs);
if(pdata.specs.depth!=24){
fprintf(stderr,"Only 24bpp color depth mode is currently supported.\n");
exit(10);
}
if(SetBRWindow(pdata.dpy,&pdata.brwin,&pdata.specs,&pdata.args))
exit(11);
//check if we are under compiz or beryl,in which case we must enable full-shots
//and with it use of shared memory.User can override this
pdata.window_manager=((pdata.args.nowmcheck)?NULL:rmdWMCheck(pdata.dpy,pdata.specs.root));
if(pdata.window_manager==NULL){
fprintf(stderr,"Not taking window manager into account.\n");
}
//Right now only wm's that I know of performing 3d compositing are beryl and compiz.
//No, the blue screen in metacity doesn't count :)
else if(!strcmp(pdata.window_manager,"compiz") || !strcmp(pdata.window_manager,"beryl")){
fprintf(stderr,"\nDetected 3d compositing window manager.\n"
"Reverting to full screen capture at every frame.\n"
"To disable this check run with --no-wm-check\n"
"(though that is not advised, since it will probably produce faulty results).\n\n");
pdata.args.full_shots=1;
pdata.args.noshared=0;
pdata.args.nocondshared=1;
}
QueryExtensions(pdata.dpy,&pdata.args,&pdata.damage_event, &pdata.damage_error);
//init data
//these are globals, look for them at the header
frames_total=frames_lost=encoder_busy=capture_busy=0;
fprintf(stderr,"Initializing...\n");
MakeMatrices();
if(pdata.args.have_dummy_cursor){
pdata.dummy_pointer=MakeDummyPointer(&pdata.specs,16,pdata.args.cursor_color,0,&pdata.npxl);
pdata.dummy_p_size=16;
}
if((pdata.args.noshared))
pdata.datamain=(char *)malloc(pdata.brwin.nbytes);
if(pdata.args.noshared)
pdata.datatemp=(char *)malloc(pdata.brwin.nbytes);
pdata.rect_root[0]=pdata.rect_root[1]=NULL;
pthread_mutex_init(&pdata.list_mutex[0],NULL);
pthread_mutex_init(&pdata.list_mutex[1],NULL);
pthread_mutex_init(&pdata.sound_buffer_mutex,NULL);
pthread_mutex_init(&pdata.libogg_mutex,NULL);
pthread_mutex_init(&pdata.yuv_mutex,NULL);
pthread_cond_init(&pdata.time_cond,NULL);
pthread_cond_init(&pdata.pause_cond,NULL);
pthread_cond_init(&pdata.image_buffer_ready,NULL);
pthread_cond_init(&pdata.sound_buffer_ready,NULL);
pthread_cond_init(&pdata.sound_data_read,NULL);
pdata.list_selector=Paused=Aborted=pdata.avd=0;
pdata.running=1;
time_cond=&pdata.time_cond;
pause_cond=&pdata.pause_cond;
Running=&pdata.running;
if((pdata.args.noshared)){
pdata.image=XCreateImage(pdata.dpy, pdata.specs.visual, pdata.specs.depth, ZPixmap, 0,pdata.datamain,pdata.brwin.rgeom.width,
pdata.brwin.rgeom.height, 8, 0);
XInitImage(pdata.image);
GetZPixmap(pdata.dpy,pdata.specs.root,pdata.image->data,pdata.brwin.rgeom.x,pdata.brwin.rgeom.y,
pdata.brwin.rgeom.width,pdata.brwin.rgeom.height);
}
if((!pdata.args.noshared)||(!pdata.args.nocondshared)){
pdata.shimage=XShmCreateImage (pdata.dpy,pdata.specs.visual,pdata.specs.depth,ZPixmap,pdata.datash,
&shminfo, pdata.brwin.rgeom.width,pdata.brwin.rgeom.height);
shminfo.shmid = shmget (IPC_PRIVATE,
pdata.shimage->bytes_per_line * pdata.shimage->height,
IPC_CREAT|0777);
shminfo.shmaddr = pdata.shimage->data = shmat (shminfo.shmid, 0, 0);
shminfo.readOnly = False;
if(!XShmAttach(pdata.dpy,&shminfo)){
fprintf(stderr,"Failed to attach shared memory to proccess.\n");
exit(12);
}
XShmGetImage(pdata.dpy,pdata.specs.root,pdata.shimage,pdata.brwin.rgeom.x,pdata.brwin.rgeom.y,AllPlanes);
}
if(!pdata.args.nosound){
pdata.sound_handle=OpenDev(pdata.args.device,&pdata.args.channels,&pdata.args.frequency,&pdata.periodsize, &pdata.periodtime,&pdata.hard_pause);
if(pdata.sound_handle==NULL){
fprintf(stderr,"Error while opening/configuring soundcard %s\nTry running with the --no-sound or specify a correct device.\n",pdata.args.device);
exit(3);
}
}
if(pdata.args.encOnTheFly)
InitEncoder(&pdata,&enc_data,0);
else
InitCacheData(&pdata,&enc_data,&cache_data);
for(i=0;i<(pdata.enc_data->yuv.y_width*pdata.enc_data->yuv.y_height);i++)
pdata.enc_data->yuv.y[i]=0;
for(i=0;i<(pdata.enc_data->yuv.uv_width*pdata.enc_data->yuv.uv_height);i++){
pdata.enc_data->yuv.v[i]=pdata.enc_data->yuv.u[i]=127;
}
if((pdata.args.nocondshared)&&(!pdata.args.noshared)){
if(pdata.args.no_quick_subsample){
UPDATE_YUV_BUFFER_IM_AVG((&pdata.enc_data->yuv),((unsigned char*)pdata.shimage->data),
(pdata.enc_data->x_offset),(pdata.enc_data->y_offset),
(pdata.brwin.rgeom.width),(pdata.brwin.rgeom.height));
}
else{
UPDATE_YUV_BUFFER_IM((&pdata.enc_data->yuv),((unsigned char*)pdata.shimage->data),
(pdata.enc_data->x_offset),(pdata.enc_data->y_offset),
(pdata.brwin.rgeom.width),(pdata.brwin.rgeom.height));
}
}
else{
if(pdata.args.no_quick_subsample){
UPDATE_YUV_BUFFER_IM_AVG((&pdata.enc_data->yuv),((unsigned char*)pdata.image->data),
(pdata.enc_data->x_offset),(pdata.enc_data->y_offset),
(pdata.brwin.rgeom.width),(pdata.brwin.rgeom.height));
}
else{
UPDATE_YUV_BUFFER_IM((&pdata.enc_data->yuv),((unsigned char*)pdata.image->data),
(pdata.enc_data->x_offset),(pdata.enc_data->y_offset),
(pdata.brwin.rgeom.width),(pdata.brwin.rgeom.height));
}
}
pdata.frametime=(1000000)/pdata.args.fps;
if(pdata.args.delay>0){
fprintf(stderr,"Will sleep for %d seconds now.\n",pdata.args.delay);
sleep(pdata.args.delay);
}
/*start threads*/
if(!pdata.args.full_shots)
pthread_create(&poll_damage_t,NULL,PollDamage,(void *)&pdata);
pthread_create(&image_capture_t,NULL,GetFrame,(void *)&pdata);
if(pdata.args.encOnTheFly)
pthread_create(&image_encode_t,NULL,EncodeImageBuffer,(void *)&pdata);
else
pthread_create(&image_cache_t,NULL,CacheImageBuffer,(void *)&pdata);
if(!pdata.args.nosound){
pthread_create(&sound_capture_t,NULL,CaptureSound,(void *)&pdata);
if(pdata.args.encOnTheFly)
pthread_create(&sound_encode_t,NULL,EncodeSoundBuffer,(void *)&pdata);
else
pthread_create(&sound_cache_t,NULL,CacheSoundBuffer,(void *)&pdata);
}
if(pdata.args.encOnTheFly)
pthread_create(&flush_to_ogg_t,NULL,FlushToOgg,(void *)&pdata);
RegisterCallbacks(&pdata.args);
fprintf(stderr,"Capturing!\n");
//wait all threads to finish
pthread_join(image_capture_t,NULL);
fprintf(stderr,"Shutting down.");
//if no damage events have been received the thread will get stuck
pthread_cond_broadcast(&pdata.image_buffer_ready);
if(pdata.args.encOnTheFly)
pthread_join(image_encode_t,NULL);
else
pthread_join(image_cache_t,NULL);
fprintf(stderr,".");
if(!pdata.args.nosound){
int *snd_exit;
pthread_join(sound_capture_t,(void *)(&snd_exit));
fprintf(stderr,".");
if(pdata.args.encOnTheFly){
if(!(*snd_exit))
pthread_join(sound_encode_t,NULL);
else{
pthread_cancel(sound_encode_t);
exit_status=*snd_exit;
}
}
else{
if(!(*snd_exit))
pthread_join(sound_cache_t,NULL);
else{
pthread_cancel(sound_cache_t);
exit_status=*snd_exit;
}
}
}
else
fprintf(stderr,"..");
if(pdata.args.encOnTheFly)
pthread_join(flush_to_ogg_t,NULL);
fprintf(stderr,".");
if(!pdata.args.full_shots)
pthread_join(poll_damage_t,NULL);
fprintf(stderr,".");
if((!pdata.args.noshared)||(!pdata.args.nocondshared)){
XShmDetach (pdata.dpy, &shminfo);
shmdt (&shminfo.shmaddr);
shmctl (shminfo.shmid, IPC_RMID, 0);
}
fprintf(stderr,"\n");
//Now that we are done with recording we cancel the timer
CancelTimer();
/** Encoding */
if(!pdata.args.encOnTheFly){
if(!Aborted){
fprintf(stderr,"Encoding started!\nThis may take several minutes.\n"
"Pressing Ctrl-C will cancel the procedure (resuming will not be possible, but\n"
"any portion of the video, which is already encoded won't be deleted).\n"
"Please wait...\n");
pdata.running=1;
InitEncoder(&pdata,&enc_data,1);
//load encoding and flushing threads
if(!pdata.args.nosound){
//before we start loading again
//we need to free any left-overs
while(pdata.sound_buffer!=NULL){
free(pdata.sound_buffer->data);
pdata.sound_buffer=pdata.sound_buffer->next;
}
}
pthread_create(&flush_to_ogg_t,NULL,FlushToOgg,(void *)&pdata);
//start loading image and audio
pthread_create(&load_cache_t,NULL,LoadCache,(void *)&pdata);
//join and finish
pthread_join(load_cache_t,NULL);
fprintf(stderr,"Encoding finished!\nWait a moment please...\n");
pthread_join(flush_to_ogg_t,NULL);
fprintf(stderr,"Done!!!\n");
}
}
/**@_______________________________________________@*/
//This can happen earlier, but in some cases it might get stuck.
//So we must make sure the recording is not wasted.
XCloseDisplay(pdata.dpy);
if(Aborted){
if(remove(pdata.args.filename)){
perror("Error while removing file:\n");
return 1;
}
else{
fprintf(stderr,"SIGABRT received,file %s removed\n",pdata.args.filename);
return 0;
}
}
else
fprintf(stderr,"Goodbye!\n");
}
return exit_status;
}
|
