void load_framedraw_image(LiVESPixbuf *pixbuf) {
// this is for the single frame framedraw widget
// it should be called whenever mainw->framedraw_bitmap changes
weed_timecode_t tc;
if (mainw->framedraw_frame>cfile->frames) mainw->framedraw_frame=cfile->frames;
if (pixbuf==NULL) {
const char *img_ext=get_image_ext_for_type(cfile->img_type);
// can happen if we preview for rendered generators
if ((mainw->multitrack==NULL||mainw->current_file!=mainw->multitrack->render_file)&&mainw->framedraw_frame==0) return;
tc=((mainw->framedraw_frame-1.))/cfile->fps*U_SECL;
pixbuf=pull_lives_pixbuf_at_size(mainw->current_file,mainw->framedraw_frame,img_ext,tc,
(double)cfile->hsize,(double)cfile->vsize,
LIVES_INTERP_BEST);
}
if (pixbuf!=NULL) {
if (mainw->fd_layer_orig!=NULL) {
weed_layer_free(mainw->fd_layer_orig);
}
mainw->fd_layer_orig=weed_layer_new(0,0,NULL,WEED_PALETTE_END);
if (!pixbuf_to_layer(mainw->fd_layer_orig,pixbuf)) lives_object_unref(pixbuf);
}
if (mainw->fd_layer!=NULL) weed_layer_free(mainw->fd_layer);
mainw->fd_layer=NULL;
}
void load_framedraw_image(LiVESPixbuf *pixbuf) {
// this is for the single frame framedraw widget
// it should be called whenever mainw->framedraw_bitmap changes
weed_timecode_t tc;
boolean needs_unlock=FALSE;
if (mainw->framedraw_frame>cfile->frames) mainw->framedraw_frame=cfile->frames;
if (pixbuf==NULL) {
const char *img_ext=get_image_ext_for_type(cfile->img_type);
// can happen if we preview for rendered generators
if ((mainw->multitrack==NULL||mainw->current_file!=mainw->multitrack->render_file)&&mainw->framedraw_frame==0) return;
tc=((mainw->framedraw_frame-1.))/cfile->fps*U_SECL;
pixbuf=pull_lives_pixbuf_at_size(mainw->current_file,mainw->framedraw_frame,img_ext,tc,
(double)cfile->hsize,(double)cfile->vsize,
LIVES_INTERP_BEST);
}
if (pixbuf!=NULL) {
if (mainw->fd_layer_orig!=NULL) {
weed_layer_free(mainw->fd_layer_orig);
}
mainw->fd_layer_orig=weed_layer_new(0,0,NULL,WEED_PALETTE_END);
if (pixbuf_to_layer(mainw->fd_layer_orig,pixbuf)) {
mainw->do_not_free=(livespointer)lives_pixbuf_get_pixels_readonly(pixbuf);
// might be threaded here so we need a mutex to stop other thread resetting free_fn
pthread_mutex_lock(&mainw->free_fn_mutex);
needs_unlock=TRUE;
mainw->free_fn=_lives_free_with_check;
}
lives_object_unref(pixbuf);
mainw->do_not_free=NULL;
mainw->free_fn=_lives_free_normal;
if (needs_unlock) pthread_mutex_unlock(&mainw->free_fn_mutex);
}
if (mainw->fd_layer!=NULL) weed_layer_free(mainw->fd_layer);
mainw->fd_layer=NULL;
}
boolean virtual_to_images(int sfileno, int sframe, int eframe, boolean update_progress, LiVESPixbuf **pbr) {
// pull frames from a clip to images
// from sframe to eframe inclusive (first frame is 1)
// if update_progress, set mainw->msg with number of frames pulled
// should be threadsafe apart from progress update
// if pbr is non-null, it will be set to point to the pulled pixbuf (
// return FALSE on write error
register int i;
lives_clip_t *sfile=mainw->files[sfileno];
LiVESPixbuf *pixbuf=NULL;
LiVESError *error=NULL;
char *oname;
int retval;
int progress=1;
if (sframe<1) sframe=1;
for (i=sframe; i<=eframe; i++) {
if (i>sfile->frames) break;
if (sfile->frame_index[i-1]>=0) {
oname=NULL;
if (update_progress) {
threaded_dialog_spin();
lives_widget_context_update();
}
if (pbr!=NULL&&pixbuf!=NULL) lives_object_unref(pixbuf);
pixbuf=pull_lives_pixbuf_at_size(sfileno,i,get_image_ext_for_type(sfile->img_type),
q_gint64((i-1.)/sfile->fps,sfile->fps),sfile->hsize,sfile->vsize,LIVES_INTERP_BEST);
oname=lives_strdup_printf("%s/%s/%08d.%s",prefs->tmpdir,sfile->handle,i,get_image_ext_for_type(sfile->img_type));
do {
retval=0;
lives_pixbuf_save(pixbuf, oname, sfile->img_type, 100-prefs->ocp, TRUE, &error);
if (error!=NULL&&pbr==NULL) {
retval=do_write_failed_error_s_with_retry(oname,error->message,NULL);
lives_error_free(error);
error=NULL;
}
} while (retval==LIVES_RESPONSE_RETRY);
if (oname!=NULL) lives_free(oname);
if (pbr==NULL) {
if (pixbuf!=NULL) lives_object_unref(pixbuf);
pixbuf=NULL;
}
if (retval==LIVES_RESPONSE_CANCEL) return FALSE;
// another thread may have called check_if_non_virtual - TODO : use a mutex
if (sfile->frame_index==NULL) break;
sfile->frame_index[i-1]=-1;
if (update_progress) {
// sig_progress...
lives_snprintf(mainw->msg,256,"%d",progress++);
threaded_dialog_spin();
lives_widget_context_update();
}
if (mainw->cancelled!=CANCEL_NONE) {
if (!check_if_non_virtual(sfileno,1,sfile->frames)) save_frame_index(sfileno);
if (pbr!=NULL) *pbr=pixbuf;
return TRUE;
}
}
}
if (pbr!=NULL) *pbr=pixbuf;
if (!check_if_non_virtual(sfileno,1,sfile->frames)) if (!save_frame_index(sfileno)) return FALSE;
return TRUE;
}
