void weed_layer_set_from_yuv4m(weed_plant_t *layer, lives_clip_t *sfile) { lives_yuv4m_t *yuv4mpeg=(lives_yuv4m_t *)(sfile->ext_src); y4data thread_data; int error; pthread_t y4thread; int alarm_handle; if (!yuv4mpeg->ready) lives_yuv_stream_start_read(sfile); weed_set_int_value(layer,"width",sfile->hsize); weed_set_int_value(layer,"height",sfile->vsize); weed_set_int_value(layer,"current_palette",WEED_PALETTE_YUV420P); weed_set_int_value(layer,"YUV_subspace",WEED_YUV_SUBSPACE_YCBCR); create_empty_pixel_data(layer,TRUE,TRUE); if (!yuv4mpeg->ready) { return; } yuv4mpeg->pixel_data=weed_get_voidptr_array(layer,"pixel_data",&error); // create a thread to open the stream header thread_data.yuv4mpeg=yuv4mpeg; pthread_create(&y4thread,NULL,y4frame_thread,&thread_data); alarm_handle=lives_alarm_set(YUV4_F_TIME); while (!lives_alarm_get(alarm_handle)&&!pthread_kill(y4thread,0)) { // wait for thread to complete or timeout lives_usleep(prefs->sleep_time); } if (lives_alarm_get(alarm_handle)) { // timeout - kill thread and wait for it to terminate // timeout - kill thread and wait for it to terminate pthread_cancel(y4thread); d_print(_("Unable to read the incoming video frame\n")); } pthread_join(y4thread,NULL); lives_alarm_clear(alarm_handle); lives_free(yuv4mpeg->pixel_data); yuv4mpeg->pixel_data=NULL; weed_set_int_value(layer,"YUV_sampling",WEED_YUV_SAMPLING_MPEG); return; }
void load_rfx_preview(lives_rfx_t *rfx) { // load a preview of an rfx (rendered effect) in clip editor LiVESPixbuf *pixbuf; FILE *infofile=NULL; int max_frame=0,tot_frames=0; int vend=cfile->start; int retval; int alarm_handle; int current_file=mainw->current_file; boolean retb; boolean timeout; weed_timecode_t tc; const char *img_ext; if (mainw->framedraw_frame==0) mainw->framedraw_frame=1; lives_set_cursor_style(LIVES_CURSOR_BUSY,NULL); clear_mainw_msg(); mainw->write_failed=FALSE; if (cfile->clip_type==CLIP_TYPE_FILE&&vend<=cfile->end) { // pull some frames for 10 seconds alarm_handle=lives_alarm_set(LIVES_DEFAULT_TIMEOUT); do { lives_widget_context_update(); if (is_virtual_frame(mainw->current_file,vend)) { retb=virtual_to_images(mainw->current_file,vend,vend,FALSE,NULL); if (!retb) return; } vend++; timeout=lives_alarm_get(alarm_handle); } while (vend<=cfile->end&&!timeout&&!mainw->cancelled); lives_alarm_clear(alarm_handle); } if (mainw->cancelled) { lives_set_cursor_style(LIVES_CURSOR_NORMAL,NULL); return; } // get message from back end processor while (!(infofile=fopen(cfile->info_file,"r"))&&!mainw->cancelled) { // wait until we get at least 1 frame lives_widget_context_update(); if (cfile->clip_type==CLIP_TYPE_FILE&&vend<=cfile->end) { // if we have a virtual clip (frames inside a video file) // pull some more frames to images to get us started do { retb=FALSE; if (is_virtual_frame(mainw->current_file,vend)) { retb=virtual_to_images(mainw->current_file,vend,vend,FALSE,NULL); if (!retb) { fclose(infofile); return; } } vend++; } while (vend<=cfile->end&&!retb); } else { // otherwise wait lives_usleep(prefs->sleep_time); } } if (mainw->cancelled) { if (infofile) fclose(infofile); lives_set_cursor_style(LIVES_CURSOR_NORMAL,NULL); return; } do { retval=0; mainw->read_failed=FALSE; lives_fgets(mainw->msg,512,infofile); if (mainw->read_failed) retval=do_read_failed_error_s_with_retry(cfile->info_file,NULL,NULL); } while (retval==LIVES_RESPONSE_RETRY); fclose(infofile); if (strncmp(mainw->msg,"completed",9)) { if (rfx->num_in_channels>0) { max_frame=atoi(mainw->msg); } else { int numtok=get_token_count(mainw->msg,'|'); if (numtok>4) { char **array=lives_strsplit(mainw->msg,"|",numtok); max_frame=atoi(array[0]); cfile->hsize=atoi(array[1]); cfile->vsize=atoi(array[2]); cfile->fps=cfile->pb_fps=strtod(array[3],NULL); if (cfile->fps==0) cfile->fps=cfile->pb_fps=prefs->default_fps; tot_frames=atoi(array[4]); lives_strfreev(array); } } } else { max_frame=cfile->end; } lives_set_cursor_style(LIVES_CURSOR_NORMAL,NULL); if (max_frame>0) { if (rfx->num_in_channels==0) { int maxlen=calc_spin_button_width(1.,(double)tot_frames,0); lives_spin_button_set_range(LIVES_SPIN_BUTTON(mainw->framedraw_spinbutton),1,tot_frames); lives_entry_set_width_chars(LIVES_ENTRY(mainw->framedraw_spinbutton),maxlen); lives_widget_queue_draw(mainw->framedraw_spinbutton); lives_widget_queue_draw(mainw->framedraw_scale); } if (mainw->framedraw_frame>max_frame) { lives_spin_button_set_value(LIVES_SPIN_BUTTON(mainw->framedraw_spinbutton),max_frame); mainw->current_file=current_file; return; } } if (rfx->num_in_channels>0) { img_ext=LIVES_FILE_EXT_PRE; } else { img_ext=get_image_ext_for_type(cfile->img_type); } tc=((mainw->framedraw_frame-1.))/cfile->fps*U_SECL; pixbuf=pull_lives_pixbuf_at_size(mainw->current_file,mainw->framedraw_frame,(char *)img_ext, tc,(double)cfile->hsize, (double)cfile->vsize,LIVES_INTERP_BEST); load_framedraw_image(pixbuf); redraw_framedraw_image(); mainw->current_file=current_file; }
static boolean lives_yuv_stream_start_read(lives_clip_t *sfile) { double ofps=sfile->fps; lives_yuv4m_t *yuv4mpeg=(lives_yuv4m_t *)sfile->ext_src; pthread_t y4thread; char *filename=yuv4mpeg->filename,*tmp; int alarm_handle=0; int ohsize=sfile->hsize; int ovsize=sfile->vsize; y4data thread_data; register int i; if (filename==NULL) return FALSE; if (yuv4mpeg->fd==-1) { // create a thread to open the fifo thread_data.filename=filename; pthread_create(&y4thread,NULL,y4open_thread,(void *)&thread_data); alarm_handle=lives_alarm_set(YUV4_O_TIME); d_print(""); d_print(_("Waiting for yuv4mpeg frames...")); while (!lives_alarm_get(alarm_handle)&&!pthread_kill(y4thread,0)) { // wait for thread to complete or timeout lives_usleep(prefs->sleep_time); lives_widget_context_update(); } if (lives_alarm_get(alarm_handle)) { // timeout - kill thread and wait for it to terminate pthread_cancel(y4thread); pthread_join(y4thread,NULL); lives_alarm_clear(alarm_handle); d_print_failed(); d_print(_("Unable to open the incoming video stream\n")); yuv4mpeg->fd=thread_data.fd; if (yuv4mpeg->fd>=0) { close(yuv4mpeg->fd); yuv4mpeg->fd=-1; } return FALSE; } pthread_join(y4thread,NULL); lives_alarm_clear(alarm_handle); yuv4mpeg->fd=thread_data.fd; if (yuv4mpeg->fd<0) { return FALSE; } } // create a thread to open the stream header thread_data.yuv4mpeg=yuv4mpeg; pthread_create(&y4thread,NULL,y4header_thread,&thread_data); alarm_handle=lives_alarm_set(YUV4_H_TIME); while (!lives_alarm_get(alarm_handle)&&!pthread_kill(y4thread,0)) { // wait for thread to complete or timeout lives_usleep(prefs->sleep_time); lives_widget_context_update(); } if (lives_alarm_get(alarm_handle)) { // timeout - kill thread and wait for it to terminate pthread_cancel(y4thread); pthread_join(y4thread,NULL); lives_alarm_clear(alarm_handle); d_print(_("Unable to read the stream header\n")); return FALSE; } pthread_join(y4thread,NULL); lives_alarm_clear(alarm_handle); i=thread_data.i; if (i != Y4M_OK) { char *tmp; d_print((tmp=lives_strdup_printf("yuv4mpeg: %s\n", y4m_strerr(i)))); lives_free(tmp); return FALSE; } d_print(_("got header\n")); sfile->hsize = yuv4mpeg->hsize = y4m_si_get_width(&(yuv4mpeg->streaminfo)); sfile->vsize = yuv4mpeg->vsize = y4m_si_get_height(&(yuv4mpeg->streaminfo)); sfile->fps=cfile->pb_fps=lives_strtod(lives_strdup_printf("%.8f",Y4M_RATIO_DBL (y4m_si_get_framerate(&(yuv4mpeg->streaminfo)))),NULL); if (!(sfile->hsize*sfile->vsize)) { do_error_dialog(lives_strdup_printf(_("Video dimensions: %d x %d are invalid. Stream cannot be opened"), sfile->hsize,sfile->vsize)); return FALSE; } if (sfile->hsize!=ohsize||sfile->vsize!=ovsize||sfile->fps!=ofps) { set_main_title(sfile->file_name,0); } d_print((tmp=lives_strdup_printf(_("Reset clip values for %s: size=%dx%d fps=%.3f\n"),yuv4mpeg->name, cfile->hsize,yuv4mpeg->vsize,cfile->bpp,cfile->fps))); lives_free(tmp); yuv4mpeg->ready=TRUE; return TRUE; }