boolean lives_yuv_stream_start_write(lives_yuv4m_t *yuv4mpeg, const char *filename, int hsize, int vsize, double fps) {
int i;
if (mainw->fixed_fpsd>-1.&&mainw->fixed_fpsd!=fps) {
do_error_dialog(lives_strdup_printf(_("Unable to set display framerate to %.3f fps.\n\n"),fps));
return FALSE;
}
mainw->fixed_fpsd=fps;
if (filename==NULL) filename=lives_strdup_printf("%s/streamout.yuv",prefs->tmpdir);
// TODO - do_threaded_dialog
if ((yuvout=creat(filename,O_CREAT))<0) {
do_error_dialog(lives_strdup_printf(_("Unable to open yuv4mpeg out stream %s\n"),filename));
return FALSE;
}
if (mainw->fixed_fpsd>23.9999&&mainw->fixed_fpsd<24.0001) {
y4m_si_set_framerate(&(yuv4mpeg->streaminfo),y4m_fps_FILM);
} else return FALSE;
y4m_si_set_interlace(&(yuv4mpeg->streaminfo), Y4M_ILACE_NONE);
y4m_si_set_width(&(yuv4mpeg->streaminfo), (hsize_out=hsize));
y4m_si_set_height(&(yuv4mpeg->streaminfo), (vsize_out=vsize));
y4m_si_set_sampleaspect(&(yuv4mpeg->streaminfo), yuv4mpeg->sar);
i = y4m_write_stream_header(yuvout, &(yuv4mpeg->streaminfo));
if (i != Y4M_OK) return FALSE;
return TRUE;
}
static void do_renew(GtkWidget *widget, GtkWidget *entry)
{
char *pass;
krb5_error_code code;
krb5_context kcontext;
krb5_principal me = NULL;
char *service_name = NULL;
krb5_ccache ccache = NULL;
krb5_creds my_creds;
char *msg = NULL;
krb5_deltat start_time = 0;
krb5_deltat lifetime = 10 * 60 * 60;
krb5_get_init_creds_opt opts;
int non_fatal = 0;
pass = g_strdup(gtk_entry_get_text(GTK_ENTRY(entry)));
gtk_entry_set_text(GTK_ENTRY(entry), "");
krb5_get_init_creds_opt_init(&opts);
if (!pass || !strlen(pass))
{
non_fatal = 1;
msg = g_strdup("Incorrect password: please try again.");
}
else if ((code = krb5_init_context(&kcontext)))
msg = g_strdup_printf("%s when initializing kerberos library",
error_message(code));
else if ((code = krb5_cc_default(kcontext, &ccache)))
msg = g_strdup_printf("%s while getting default cache.",
error_message(code));
else if ((code = krb5_parse_name(kcontext, name, &me)))
msg = g_strdup_printf("%s while parsing name %s.", error_message(code),
name);
else if ((code = krb5_get_init_creds_password(kcontext,
&my_creds, me, pass,
krb5_prompter_posix, NULL,
start_time, service_name,
&opts)))
{
if (code == KRB5KRB_AP_ERR_BAD_INTEGRITY)
{
non_fatal = 1;
msg = g_strdup("Incorrect password: please try again.");
}
else
{
msg = g_strdup_printf("%s while getting initial"
" credentials", error_message(code));
}
}
else
{
if ((code = krb5_cc_initialize(kcontext, ccache, me)))
{
msg = g_strdup_printf("%s while initializing cache",
error_message(code));
}
else if ((code = krb5_cc_store_cred(kcontext, ccache,
&my_creds)))
{
msg = g_strdup_printf("%s while storing credentials",
error_message(code));
}
else
{
if (me)
krb5_free_principal(kcontext, me);
if (ccache)
krb5_cc_close(kcontext, ccache);
krb5_free_context(kcontext);
}
}
g_free(pass);
if (msg)
{
/* encountered an error. don't quit */
if (non_fatal)
do_error_dialog(msg);
else
do_fatal_dialog(msg);
g_free(msg);
}
else
/* no errors, we're done */
{
system("fsid -a > /dev/null");
system("zctl load /dev/null > /dev/null");
exit(0);
}
}
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;
}
