-/* GStreamer Tuner interface implementation
+/* GStreamer
+ *
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ * 2006 Edgard Lima <edgard.lima@gmail.com>
*
* gstv4l2tuner.c: tuner interface implementation for V4L2
*
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <gst/gst.h>
+#include "gstv4l2object.h"
#include "gstv4l2tuner.h"
-#include "gstv4l2element.h"
-#include "v4l2_calls.h"
-
-static void gst_v4l2_tuner_channel_class_init (GstV4l2TunerChannelClass *
- klass);
-static void gst_v4l2_tuner_channel_init (GstV4l2TunerChannel * channel);
-
-static void gst_v4l2_tuner_norm_class_init (GstV4l2TunerNormClass * klass);
-static void gst_v4l2_tuner_norm_init (GstV4l2TunerNorm * norm);
-
-static const GList *gst_v4l2_tuner_list_channels (GstTuner * mixer);
-static void gst_v4l2_tuner_set_channel (GstTuner * mixer,
- GstTunerChannel * channel);
-static GstTunerChannel *gst_v4l2_tuner_get_channel (GstTuner * mixer);
-
-static const GList *gst_v4l2_tuner_list_norms (GstTuner * mixer);
-static void gst_v4l2_tuner_set_norm (GstTuner * mixer, GstTunerNorm * norm);
-static GstTunerNorm *gst_v4l2_tuner_get_norm (GstTuner * mixer);
+#include "gstv4l2object.h"
-static void gst_v4l2_tuner_set_frequency (GstTuner * mixer,
- GstTunerChannel * channel, gulong frequency);
-static gulong gst_v4l2_tuner_get_frequency (GstTuner * mixer,
- GstTunerChannel * channel);
-static gint gst_v4l2_tuner_signal_strength (GstTuner * mixer,
- GstTunerChannel * channel);
+G_DEFINE_TYPE (GstV4l2TunerChannel, gst_v4l2_tuner_channel,
+ GST_TYPE_TUNER_CHANNEL);
-static GstTunerNormClass *norm_parent_class = NULL;
-static GstTunerChannelClass *channel_parent_class = NULL;
+G_DEFINE_TYPE (GstV4l2TunerNorm, gst_v4l2_tuner_norm, GST_TYPE_TUNER_NORM);
-GType
-gst_v4l2_tuner_channel_get_type (void)
-{
- static GType gst_v4l2_tuner_channel_type = 0;
-
- if (!gst_v4l2_tuner_channel_type) {
- static const GTypeInfo v4l2_tuner_channel_info = {
- sizeof (GstV4l2TunerChannelClass),
- NULL,
- NULL,
- (GClassInitFunc) gst_v4l2_tuner_channel_class_init,
- NULL,
- NULL,
- sizeof (GstV4l2TunerChannel),
- 0,
- (GInstanceInitFunc) gst_v4l2_tuner_channel_init,
- NULL
- };
-
- gst_v4l2_tuner_channel_type =
- g_type_register_static (GST_TYPE_TUNER_CHANNEL,
- "GstV4l2TunerChannel", &v4l2_tuner_channel_info, 0);
- }
-
- return gst_v4l2_tuner_channel_type;
-}
static void
gst_v4l2_tuner_channel_class_init (GstV4l2TunerChannelClass * klass)
{
- channel_parent_class = g_type_class_ref (GST_TYPE_TUNER_CHANNEL);
}
static void
channel->audio = (guint32) - 1;
}
-GType
-gst_v4l2_tuner_norm_get_type (void)
-{
- static GType gst_v4l2_tuner_norm_type = 0;
-
- if (!gst_v4l2_tuner_norm_type) {
- static const GTypeInfo v4l2_tuner_norm_info = {
- sizeof (GstV4l2TunerNormClass),
- NULL,
- NULL,
- (GClassInitFunc) gst_v4l2_tuner_norm_class_init,
- NULL,
- NULL,
- sizeof (GstV4l2TunerNorm),
- 0,
- (GInstanceInitFunc) gst_v4l2_tuner_norm_init,
- NULL
- };
-
- gst_v4l2_tuner_norm_type =
- g_type_register_static (GST_TYPE_TUNER_NORM,
- "GstV4l2TunerNorm", &v4l2_tuner_norm_info, 0);
- }
-
- return gst_v4l2_tuner_norm_type;
-}
-
static void
gst_v4l2_tuner_norm_class_init (GstV4l2TunerNormClass * klass)
{
- norm_parent_class = g_type_class_ref (GST_TYPE_TUNER_NORM);
}
static void
norm->index = 0;
}
-void
-gst_v4l2_tuner_interface_init (GstTunerClass * klass)
-{
- /* default virtual functions */
- klass->list_channels = gst_v4l2_tuner_list_channels;
- klass->set_channel = gst_v4l2_tuner_set_channel;
- klass->get_channel = gst_v4l2_tuner_get_channel;
-
- klass->list_norms = gst_v4l2_tuner_list_norms;
- klass->set_norm = gst_v4l2_tuner_set_norm;
- klass->get_norm = gst_v4l2_tuner_get_norm;
-
- klass->set_frequency = gst_v4l2_tuner_set_frequency;
- klass->get_frequency = gst_v4l2_tuner_get_frequency;
- klass->signal_strength = gst_v4l2_tuner_signal_strength;
-}
-
-static gboolean
-gst_v4l2_tuner_is_sink (GstV4l2Element * v4l2element)
-{
- GstPadDirection dir = GST_PAD_UNKNOWN;
-
- return (dir == GST_PAD_SINK);
-}
-
static G_GNUC_UNUSED gboolean
-gst_v4l2_tuner_contains_channel (GstV4l2Element * v4l2element,
+gst_v4l2_tuner_contains_channel (GstV4l2Object * v4l2object,
GstV4l2TunerChannel * v4l2channel)
{
const GList *item;
- for (item = v4l2element->inputs; item != NULL; item = item->next)
+ for (item = v4l2object->channels; item != NULL; item = item->next)
if (item->data == v4l2channel)
return TRUE;
return FALSE;
}
-static const GList *
-gst_v4l2_tuner_list_channels (GstTuner * mixer)
+const GList *
+gst_v4l2_tuner_list_channels (GstV4l2Object * v4l2object)
{
- /* ... or output, if we're a sink... */
- return GST_V4L2ELEMENT (mixer)->inputs;
+ return v4l2object->channels;
}
-static void
-gst_v4l2_tuner_set_channel (GstTuner * mixer, GstTunerChannel * channel)
+gboolean
+gst_v4l2_tuner_set_channel (GstV4l2Object * v4l2object,
+ GstTunerChannel * channel)
{
- GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
GstV4l2TunerChannel *v4l2channel = GST_V4L2_TUNER_CHANNEL (channel);
/* assert that we're opened and that we're using a known item */
- g_return_if_fail (GST_V4L2_IS_OPEN (v4l2element));
- g_return_if_fail (gst_v4l2_tuner_contains_channel (v4l2element, v4l2channel));
-
- /* ... or output, if we're a sink... */
- if (gst_v4l2_tuner_is_sink (v4l2element) ?
- gst_v4l2_set_output (v4l2element, v4l2channel->index) :
- gst_v4l2_set_input (v4l2element, v4l2channel->index)) {
- gst_tuner_channel_changed (mixer, channel);
- g_object_notify (G_OBJECT (v4l2element), "input");
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2object), FALSE);
+ g_return_val_if_fail (gst_v4l2_tuner_contains_channel (v4l2object,
+ v4l2channel), FALSE);
+
+ if (v4l2object->set_in_out_func (v4l2object, v4l2channel->index)) {
+ gst_tuner_channel_changed (GST_TUNER (v4l2object->element), channel);
+ /* can FPS change here? */
+ return TRUE;
}
+
+ return FALSE;
+
}
-static GstTunerChannel *
-gst_v4l2_tuner_get_channel (GstTuner * mixer)
+GstTunerChannel *
+gst_v4l2_tuner_get_channel (GstV4l2Object * v4l2object)
{
- GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
GList *item;
gint channel;
/* assert that we're opened and that we're using a known item */
- g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2element), NULL);
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2object), NULL);
+
+ if (v4l2object->get_in_out_func (v4l2object, &channel)) {
- /* ... or output, if we're a sink... */
- if (gst_v4l2_tuner_is_sink (v4l2element))
- gst_v4l2_get_output (v4l2element, &channel);
- else
- gst_v4l2_get_input (v4l2element, &channel);
+ for (item = v4l2object->channels; item != NULL; item = item->next) {
+ if (channel == GST_V4L2_TUNER_CHANNEL (item->data)->index)
+ return (GstTunerChannel *) item->data;
+ }
- for (item = v4l2element->inputs; item != NULL; item = item->next) {
- if (channel == GST_V4L2_TUNER_CHANNEL (item->data)->index)
- return (GstTunerChannel *) item->data;
}
return NULL;
}
static G_GNUC_UNUSED gboolean
-gst_v4l2_tuner_contains_norm (GstV4l2Element * v4l2element,
+gst_v4l2_tuner_contains_norm (GstV4l2Object * v4l2object,
GstV4l2TunerNorm * v4l2norm)
{
const GList *item;
- for (item = v4l2element->stds; item != NULL; item = item->next)
+ for (item = v4l2object->norms; item != NULL; item = item->next)
if (item->data == v4l2norm)
return TRUE;
return FALSE;
}
-static const GList *
-gst_v4l2_tuner_list_norms (GstTuner * mixer)
+const GList *
+gst_v4l2_tuner_list_norms (GstV4l2Object * v4l2object)
{
- return GST_V4L2ELEMENT (mixer)->stds;
+ return v4l2object->norms;
}
-static void
-gst_v4l2_tuner_set_norm (GstTuner * mixer, GstTunerNorm * norm)
+void
+gst_v4l2_tuner_set_norm_and_notify (GstV4l2Object * v4l2object,
+ GstTunerNorm * norm)
+{
+ if (gst_v4l2_tuner_set_norm (v4l2object, norm)) {
+#if 0
+ g_object_notify (G_OBJECT (v4l2object->element), "norm");
+#endif
+ }
+}
+
+gboolean
+gst_v4l2_tuner_set_norm (GstV4l2Object * v4l2object, GstTunerNorm * norm)
{
- GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
GstV4l2TunerNorm *v4l2norm = GST_V4L2_TUNER_NORM (norm);
/* assert that we're opened and that we're using a known item */
- g_return_if_fail (GST_V4L2_IS_OPEN (v4l2element));
- g_return_if_fail (gst_v4l2_tuner_contains_norm (v4l2element, v4l2norm));
-
- if (gst_v4l2_set_norm (v4l2element, v4l2norm->index)) {
- gst_tuner_norm_changed (mixer, norm);
- g_object_notify (G_OBJECT (v4l2element), "std");
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2object), FALSE);
+ g_return_val_if_fail (gst_v4l2_tuner_contains_norm (v4l2object, v4l2norm),
+ FALSE);
+
+ if (gst_v4l2_set_norm (v4l2object, v4l2norm->index)) {
+ gst_tuner_norm_changed (GST_TUNER (v4l2object->element), norm);
+ if (v4l2object->update_fps_func)
+ v4l2object->update_fps_func (v4l2object);
+ return TRUE;
}
+
+ return FALSE;
+
}
-static GstTunerNorm *
-gst_v4l2_tuner_get_norm (GstTuner * mixer)
+GstTunerNorm *
+gst_v4l2_tuner_get_norm (GstV4l2Object * v4l2object)
{
- GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
- GList *item;
v4l2_std_id norm;
/* assert that we're opened and that we're using a known item */
- g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2element), NULL);
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2object), NULL);
+
+ gst_v4l2_get_norm (v4l2object, &norm);
- gst_v4l2_get_norm (v4l2element, &norm);
+ return gst_v4l2_tuner_get_norm_by_std_id (v4l2object, norm);
+}
+
+GstTunerNorm *
+gst_v4l2_tuner_get_norm_by_std_id (GstV4l2Object * v4l2object, v4l2_std_id norm)
+{
+ GList *item;
- for (item = v4l2element->stds; item != NULL; item = item->next) {
- if (norm == GST_V4L2_TUNER_NORM (item->data)->index)
+ for (item = v4l2object->norms; item != NULL; item = item->next) {
+ if (norm & GST_V4L2_TUNER_NORM (item->data)->index)
return (GstTunerNorm *) item->data;
}
return NULL;
}
-static void
-gst_v4l2_tuner_set_frequency (GstTuner * mixer,
+v4l2_std_id
+gst_v4l2_tuner_get_std_id_by_norm (GstV4l2Object * v4l2object,
+ GstTunerNorm * norm)
+{
+ GList *item;
+
+ for (item = v4l2object->norms; item != NULL; item = item->next) {
+ if (norm == GST_TUNER_NORM (item->data))
+ return GST_V4L2_TUNER_NORM (item->data)->index;
+ }
+
+ return 0;
+}
+
+void
+gst_v4l2_tuner_set_frequency_and_notify (GstV4l2Object * v4l2object,
+ GstTunerChannel * channel, gulong frequency)
+{
+ if (gst_v4l2_tuner_set_frequency (v4l2object, channel, frequency)) {
+#if 0
+ g_object_notify (G_OBJECT (v4l2object->element), "frequency");
+#endif
+ }
+}
+
+gboolean
+gst_v4l2_tuner_set_frequency (GstV4l2Object * v4l2object,
GstTunerChannel * channel, gulong frequency)
{
- GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
GstV4l2TunerChannel *v4l2channel = GST_V4L2_TUNER_CHANNEL (channel);
gint chan;
/* assert that we're opened and that we're using a known item */
- g_return_if_fail (GST_V4L2_IS_OPEN (v4l2element));
- g_return_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
- GST_TUNER_CHANNEL_FREQUENCY));
- g_return_if_fail (gst_v4l2_tuner_contains_channel (v4l2element, v4l2channel));
-
- gst_v4l2_get_input (v4l2element, &chan);
- if (chan == GST_V4L2_TUNER_CHANNEL (channel)->index &&
- GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
- if (gst_v4l2_set_frequency (v4l2element, v4l2channel->tuner, frequency)) {
- gst_tuner_frequency_changed (mixer, channel, frequency);
- g_object_notify (G_OBJECT (v4l2element), "frequency");
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2object), FALSE);
+ g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
+ GST_TUNER_CHANNEL_FREQUENCY), FALSE);
+ g_return_val_if_fail (gst_v4l2_tuner_contains_channel (v4l2object,
+ v4l2channel), FALSE);
+
+ if (v4l2object->get_in_out_func (v4l2object, &chan)) {
+ if (chan == GST_V4L2_TUNER_CHANNEL (channel)->index &&
+ GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
+ if (gst_v4l2_set_frequency (v4l2object, v4l2channel->tuner, frequency)) {
+ gst_tuner_frequency_changed (GST_TUNER (v4l2object->element), channel,
+ frequency);
+ return TRUE;
+ }
}
}
+
+ return FALSE;
}
-static gulong
-gst_v4l2_tuner_get_frequency (GstTuner * mixer, GstTunerChannel * channel)
+gulong
+gst_v4l2_tuner_get_frequency (GstV4l2Object * v4l2object,
+ GstTunerChannel * channel)
{
- GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
GstV4l2TunerChannel *v4l2channel = GST_V4L2_TUNER_CHANNEL (channel);
gint chan;
gulong frequency = 0;
/* assert that we're opened and that we're using a known item */
- g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2element), 0);
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2object), 0);
g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
GST_TUNER_CHANNEL_FREQUENCY), 0);
- g_return_val_if_fail (gst_v4l2_tuner_contains_channel
- (v4l2element, v4l2channel), 0);
+ g_return_val_if_fail (gst_v4l2_tuner_contains_channel (v4l2object,
+ v4l2channel), 0);
- gst_v4l2_get_input (v4l2element, &chan);
- if (chan == GST_V4L2_TUNER_CHANNEL (channel)->index &&
- GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
- gst_v4l2_get_frequency (v4l2element, v4l2channel->tuner, &frequency);
+ if (v4l2object->get_in_out_func (v4l2object, &chan)) {
+ if (chan == GST_V4L2_TUNER_CHANNEL (channel)->index &&
+ GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
+ gst_v4l2_get_frequency (v4l2object, v4l2channel->tuner, &frequency);
+ }
}
return frequency;
}
-static gint
-gst_v4l2_tuner_signal_strength (GstTuner * mixer, GstTunerChannel * channel)
+gint
+gst_v4l2_tuner_signal_strength (GstV4l2Object * v4l2object,
+ GstTunerChannel * channel)
{
- GstV4l2Element *v4l2element = GST_V4L2ELEMENT (mixer);
GstV4l2TunerChannel *v4l2channel = GST_V4L2_TUNER_CHANNEL (channel);
gint chan;
gulong signal = 0;
/* assert that we're opened and that we're using a known item */
- g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2element), 0);
+ g_return_val_if_fail (GST_V4L2_IS_OPEN (v4l2object), 0);
g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
GST_TUNER_CHANNEL_FREQUENCY), 0);
- g_return_val_if_fail (gst_v4l2_tuner_contains_channel
- (v4l2element, v4l2channel), 0);
+ g_return_val_if_fail (gst_v4l2_tuner_contains_channel (v4l2object,
+ v4l2channel), 0);
- gst_v4l2_get_input (v4l2element, &chan);
- if (chan == GST_V4L2_TUNER_CHANNEL (channel)->index &&
- GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
- gst_v4l2_signal_strength (v4l2element, v4l2channel->tuner, &signal);
+ if (v4l2object->get_in_out_func (v4l2object, &chan)) {
+ if (chan == GST_V4L2_TUNER_CHANNEL (channel)->index &&
+ GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
+ gst_v4l2_signal_strength (v4l2object, v4l2channel->tuner, &signal);
+ }
}
return signal;
projects / platform / upstream / gst-plugins-good.git / blobdiff