void
QcRoundRobinDatabase::clear()
{
seek_to(0);
for (size_t i = 0; i < m_number_of_reserved_slots * m_slot_size; i++)
m_buffer << static_cast<quint8>(0);
}
static void
slider_cb (GtkRange * range, AppInfo * info)
{
gdouble val;
val = gtk_range_get_value (range);
seek_to (info, val);
}
void
QcRoundRobinDatabase::read(size_t position, QByteArray & data)
{
if (static_cast<size_t>(data.size()) == m_slot_size) { // Fixme: use int ?
seek_to(position);
m_buffer.readRawData(data.data(), m_slot_size);
// qInfo() << "QcRoundRobinDatabase::read" << data;
}
// else
}
void
QcRoundRobinDatabase::write(const QByteArray & data)
{
if (static_cast<size_t>(data.size()) == m_slot_size) { // Fixme: use int ?
seek_to(m_position);
qInfo() << "QcRoundRobinDatabase::write @" << m_position; // << data;
m_buffer.writeRawData(data.data(), m_slot_size);
if (is_unlimited() || m_number_of_used_slots != m_number_of_reserved_slots)
m_number_of_used_slots++;
m_position++;
if (is_round_robin() && m_position == m_number_of_reserved_slots)
m_position = 0; // loop
update_position();
}
// else
}
QcRoundRobinDatabase::QcRoundRobinDatabase(const QString & path)
: m_file(path),
m_buffer(),
m_slot_format(),
m_created(false),
m_version(),
m_position(),
m_number_of_reserved_slots(),
m_number_of_used_slots(),
m_header_size(),
m_slot_size()
{
open();
if (!m_created) {
read_header();
seek_to(m_position); // go to next position
} else {
// ...
}
}
char *capture_until(char *str)
{
char *search,*startPos = currentPos;
char *cv;
int i;
size_t len;
search = strcasestr(startPos,str);
if (search == NULL) return NULL;
for(;*startPos == ' ';startPos++);
len = search - startPos;
cv = calloc(1,len+1);
strncpy(cv,startPos,len);
for(;cv[strlen(cv)-1]==' ';) cv[strlen(cv)-1]='\0';
for(i=0;i != strlen(cv); i++) {
if (strchr("\t\n\r\b",cv[i])) cv[i]=' ';
}
set_current_value(cv);
return seek_to(str);
}
static void
bus_message_cb (GstBus * bus, GstMessage * msg, AppInfo * info)
{
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_ASYNC_DONE:{
/* only interested in async-done messages from the top-level pipeline */
if (msg->src != GST_OBJECT_CAST (info->pipe))
break;
if (!info->prerolled) {
/* make slider visible if it's not visible already */
gtk_widget_show (info->slider);
/* initial frame is often black, so seek to beginning plus a bit */
seek_to (info, 0.001);
info->prerolled = TRUE;
}
/* update position */
if (!gst_element_query_position (info->pipe, GST_FORMAT_TIME,
&info->cur_pos))
info->cur_pos = -1;
break;
}
case GST_MESSAGE_ELEMENT:{
const GValue *val;
GdkPixbuf *pixbuf = NULL;
const GstStructure *structure;
/* only interested in element messages from our gdkpixbufsink */
if (msg->src != GST_OBJECT_CAST (info->sink))
break;
/* only interested in these two messages */
if (!gst_message_has_name (msg, "preroll-pixbuf") &&
!gst_message_has_name (msg, "pixbuf")) {
break;
}
g_print ("pixbuf\n");
structure = gst_message_get_structure (msg);
val = gst_structure_get_value (structure, "pixbuf");
g_return_if_fail (val != NULL);
pixbuf = GDK_PIXBUF (g_value_dup_object (val));
gtk_image_set_from_pixbuf (GTK_IMAGE (info->img), pixbuf);
g_object_unref (pixbuf);
break;
}
case GST_MESSAGE_ERROR:{
GError *err = NULL;
gchar *dbg = NULL;
gst_message_parse_error (msg, &err, &dbg);
g_error ("Error: %s\n%s\n", err->message, (dbg) ? dbg : "");
g_error_free (err);
g_free (dbg);
break;
}
default:
break;
}
}
