static gboolean
gst_dvbsrc_start (GstBaseSrc * bsrc)
{
GstDvbSrc *src = GST_DVBSRC (bsrc);
gst_dvbsrc_open_frontend (src);
if (!gst_dvbsrc_tune (src)) {
GST_ERROR_OBJECT (src, "Not able to lock on to the dvb channel");
close (src->fd_frontend);
return FALSE;
}
if (!gst_dvbsrc_frontend_status (src)) {
/* unset filters also */
gst_dvbsrc_unset_pes_filters (src);
close (src->fd_frontend);
return FALSE;
}
if (!gst_dvbsrc_open_dvr (src)) {
GST_ERROR_OBJECT (src, "Not able to open dvr_device");
/* unset filters also */
gst_dvbsrc_unset_pes_filters (src);
close (src->fd_frontend);
return FALSE;
}
return TRUE;
}
static GstFlowReturn
gst_dvbsrc_create (GstPushSrc * element, GstBuffer ** buf)
{
gint buffer_size;
GstFlowReturn retval = GST_FLOW_ERROR;
GstDvbSrc *object;
object = GST_DVBSRC (element);
GST_LOG ("fd_dvr: %d", object->fd_dvr);
//g_object_get(G_OBJECT(object), "blocksize", &buffer_size, NULL);
buffer_size = DEFAULT_BUFFER_SIZE;
/* device can not be tuned during read */
g_mutex_lock (&object->tune_mutex);
if (object->fd_dvr > -1) {
/* --- Read TS from DVR device --- */
GST_DEBUG_OBJECT (object, "Reading from DVR device");
retval = gst_dvbsrc_read_device (object, buffer_size, buf);
if (object->stats_interval != 0 &&
++object->stats_counter == object->stats_interval) {
gst_dvbsrc_output_frontend_stats (object);
object->stats_counter = 0;
}
}
g_mutex_unlock (&object->tune_mutex);
return retval;
}
static gboolean
gst_dvbsrc_stop (GstBaseSrc * bsrc)
{
GstDvbSrc *src = GST_DVBSRC (bsrc);
gst_dvbsrc_close_devices (src);
return TRUE;
}
static gboolean
gst_dvbsrc_unlock_stop (GstBaseSrc * bsrc)
{
GstDvbSrc *src = GST_DVBSRC (bsrc);
src->need_unlock = FALSE;
return TRUE;
}
static gboolean
gst_dvbsrc_unlock_stop (GstBaseSrc * bsrc)
{
GstDvbSrc *src = GST_DVBSRC (bsrc);
gst_poll_set_flushing (src->poll, FALSE);
return TRUE;
}
static gboolean
gst_dvbsrc_stop (GstBaseSrc * bsrc)
{
GstDvbSrc *src = GST_DVBSRC (bsrc);
gst_dvbsrc_close_devices (src);
if (src->poll) {
gst_poll_free (src->poll);
src->poll = NULL;
}
return TRUE;
}
static GstFlowReturn
gst_dvbsrc_create (GstPushSrc * element, GstBuffer ** buf)
{
gint buffer_size;
GstFlowReturn retval = GST_FLOW_ERROR;
GstDvbSrc *object;
object = GST_DVBSRC (element);
GST_LOG ("fd_dvr: %d", object->fd_dvr);
//g_object_get(G_OBJECT(object), "blocksize", &buffer_size, NULL);
buffer_size = DEFAULT_BUFFER_SIZE;
/* device can not be tuned during read */
g_mutex_lock (object->tune_mutex);
if (object->fd_dvr > -1) {
/* --- Read TS from DVR device --- */
GST_DEBUG_OBJECT (object, "Reading from DVR device");
*buf = read_device (object->fd_dvr, object->adapter_number,
object->frontend_number, buffer_size, object);
if (*buf != NULL) {
GstCaps *caps;
retval = GST_FLOW_OK;
caps = gst_pad_get_caps (GST_BASE_SRC_PAD (object));
gst_buffer_set_caps (*buf, caps);
gst_caps_unref (caps);
} else {
GST_DEBUG_OBJECT (object, "Failed to read from device");
gst_element_post_message (GST_ELEMENT_CAST (object),
gst_message_new_element (GST_OBJECT (object),
gst_structure_empty_new ("dvb-read-failure")));
}
if (object->stats_interval != 0 &&
++object->stats_counter == object->stats_interval) {
gst_dvbsrc_output_frontend_stats (object);
object->stats_counter = 0;
}
}
g_mutex_unlock (object->tune_mutex);
return retval;
}
static void
gst_dvbsrc_finalize (GObject * _object)
{
GstDvbSrc *object;
GST_DEBUG_OBJECT (_object, "gst_dvbsrc_finalize");
g_return_if_fail (GST_IS_DVBSRC (_object));
object = GST_DVBSRC (_object);
/* freeing the mutex segfaults somehow */
g_mutex_free (object->tune_mutex);
if (G_OBJECT_CLASS (parent_class)->finalize)
G_OBJECT_CLASS (parent_class)->finalize (_object);
}
static gboolean
gst_dvbsrc_start (GstBaseSrc * bsrc)
{
GstDvbSrc *src = GST_DVBSRC (bsrc);
gst_dvbsrc_open_frontend (src, TRUE);
if (!gst_dvbsrc_tune (src)) {
GST_ERROR_OBJECT (src, "Not able to lock on to the dvb channel");
close (src->fd_frontend);
return FALSE;
}
if (!gst_dvbsrc_frontend_status (src)) {
/* unset filters also */
gst_dvbsrc_unset_pes_filters (src);
close (src->fd_frontend);
return FALSE;
}
if (!gst_dvbsrc_open_dvr (src)) {
GST_ERROR_OBJECT (src, "Not able to open dvr_device");
/* unset filters also */
gst_dvbsrc_unset_pes_filters (src);
close (src->fd_frontend);
return FALSE;
}
if (!(src->poll = gst_poll_new (TRUE))) {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ_WRITE, (NULL),
("could not create an fdset: %s (%d)", g_strerror (errno), errno));
/* unset filters also */
gst_dvbsrc_unset_pes_filters (src);
close (src->fd_frontend);
return FALSE;
} else {
gst_poll_fd_init (&src->poll_fd_dvr);
src->poll_fd_dvr.fd = src->fd_dvr;
gst_poll_add_fd (src->poll, &src->poll_fd_dvr);
gst_poll_fd_ctl_read (src->poll, &src->poll_fd_dvr, TRUE);
}
return TRUE;
}
static GstStateChangeReturn
gst_dvbsrc_change_state (GstElement * element, GstStateChange transition)
{
GstDvbSrc *src;
GstStateChangeReturn ret;
src = GST_DVBSRC (element);
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
/* open frontend then close it again, just so caps sent */
gst_dvbsrc_open_frontend (src);
if (src->fd_frontend) {
close (src->fd_frontend);
}
break;
default:
break;
}
return ret;
}
static void
gst_dvbsrc_get_property (GObject * _object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstDvbSrc *object;
g_return_if_fail (GST_IS_DVBSRC (_object));
object = GST_DVBSRC (_object);
switch (prop_id) {
case ARG_DVBSRC_ADAPTER:
g_value_set_int (value, object->adapter_number);
break;
case ARG_DVBSRC_FRONTEND:
g_value_set_int (value, object->frontend_number);
break;
case ARG_DVBSRC_FREQUENCY:
g_value_set_int (value, object->freq);
break;
case ARG_DVBSRC_POLARITY:
if (object->pol == DVB_POL_H)
g_value_set_string (value, "H");
else
g_value_set_string (value, "V");
break;
case ARG_DVBSRC_SYM_RATE:
g_value_set_int (value, object->sym_rate);
break;
case ARG_DVBSRC_DISEQC_SRC:
g_value_set_int (value, object->diseqc_src);
break;
case ARG_DVBSRC_BANDWIDTH:
g_value_set_enum (value, object->bandwidth);
break;
case ARG_DVBSRC_CODE_RATE_HP:
g_value_set_enum (value, object->code_rate_hp);
break;
case ARG_DVBSRC_CODE_RATE_LP:
g_value_set_enum (value, object->code_rate_lp);
break;
case ARG_DVBSRC_GUARD:
g_value_set_enum (value, object->guard_interval);
break;
case ARG_DVBSRC_MODULATION:
g_value_set_enum (value, object->modulation);
break;
case ARG_DVBSRC_TRANSMISSION_MODE:
g_value_set_enum (value, object->transmission_mode);
break;
case ARG_DVBSRC_HIERARCHY_INF:
g_value_set_enum (value, object->hierarchy_information);
break;
case ARG_DVBSRC_INVERSION:
g_value_set_enum (value, object->inversion);
break;
case ARG_DVBSRC_STATS_REPORTING_INTERVAL:
g_value_set_uint (value, object->stats_interval);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gst_dvbsrc_set_property (GObject * _object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstDvbSrc *object;
g_return_if_fail (GST_IS_DVBSRC (_object));
object = GST_DVBSRC (_object);
switch (prop_id) {
case ARG_DVBSRC_ADAPTER:
object->adapter_number = g_value_get_int (value);
break;
case ARG_DVBSRC_FRONTEND:
object->frontend_number = g_value_get_int (value);
break;
case ARG_DVBSRC_DISEQC_SRC:
if (object->diseqc_src != g_value_get_int (value)) {
object->diseqc_src = g_value_get_int (value);
object->send_diseqc = TRUE;
}
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_DISEQC_ID");
break;
case ARG_DVBSRC_FREQUENCY:
object->freq = g_value_get_int (value);
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_FREQUENCY");
break;
case ARG_DVBSRC_POLARITY:
{
const char *s = NULL;
s = g_value_get_string (value);
if (s != NULL)
object->pol = (s[0] == 'h' || s[0] == 'H') ? DVB_POL_H : DVB_POL_V;
}
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_POLARITY");
break;
case ARG_DVBSRC_PIDS:
{
gchar *pid_string;
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_PIDS");
pid_string = g_value_dup_string (value);
if (!strcmp (pid_string, "8192")) {
/* get the whole ts */
object->pids[0] = 8192;
} else {
int pid = 0;
int pid_count;
gchar **pids;
char **tmp;
tmp = pids = g_strsplit (pid_string, ":", MAX_FILTERS);
if (pid_string)
g_free (pid_string);
/* always add the PAT and CAT pids */
object->pids[0] = 0;
object->pids[1] = 1;
pid_count = 2;
while (*pids != NULL && pid_count < MAX_FILTERS) {
pid = strtol (*pids, NULL, 0);
if (pid > 1 && pid <= 8192) {
GST_INFO_OBJECT (object, "Parsed Pid: %d\n", pid);
object->pids[pid_count] = pid;
pid_count++;
}
pids++;
}
g_strfreev (tmp);
}
/* if we are in playing or paused, then set filters now */
GST_INFO_OBJECT (object, "checking if playing for setting pes filters");
if (GST_ELEMENT (object)->current_state == GST_STATE_PLAYING ||
GST_ELEMENT (object)->current_state == GST_STATE_PAUSED) {
GST_INFO_OBJECT (object, "Setting pes filters now");
gst_dvbsrc_set_pes_filters (object);
}
}
break;
case ARG_DVBSRC_SYM_RATE:
object->sym_rate = g_value_get_int (value);
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_SYM_RATE to value %d",
g_value_get_int (value));
break;
case ARG_DVBSRC_BANDWIDTH:
object->bandwidth = g_value_get_enum (value);
break;
case ARG_DVBSRC_CODE_RATE_HP:
object->code_rate_hp = g_value_get_enum (value);
break;
case ARG_DVBSRC_CODE_RATE_LP:
object->code_rate_lp = g_value_get_enum (value);
break;
case ARG_DVBSRC_GUARD:
object->guard_interval = g_value_get_enum (value);
break;
case ARG_DVBSRC_MODULATION:
object->modulation = g_value_get_enum (value);
break;
case ARG_DVBSRC_TRANSMISSION_MODE:
object->transmission_mode = g_value_get_enum (value);
break;
case ARG_DVBSRC_HIERARCHY_INF:
object->hierarchy_information = g_value_get_enum (value);
break;
case ARG_DVBSRC_INVERSION:
object->inversion = g_value_get_enum (value);
break;
case ARG_DVBSRC_TUNE:
GST_INFO_OBJECT (object, "Set Property: ARG_DVBSRC_TUNE");
/* if we are in paused/playing state tune now, otherwise in ready to paused state change */
if (gst_element_get_state
(GST_ELEMENT (object), NULL, NULL,
GST_CLOCK_TIME_NONE) > GST_STATE_READY) {
g_mutex_lock (object->tune_mutex);
gst_dvbsrc_tune (object);
g_mutex_unlock (object->tune_mutex);
}
break;
case ARG_DVBSRC_STATS_REPORTING_INTERVAL:
object->stats_interval = g_value_get_uint (value);
object->stats_counter = 0;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
