diff options
Diffstat (limited to 'gst-libs/gst/tuner/tuner.c')
| -rw-r--r-- | gst-libs/gst/tuner/tuner.c | 94 |
1 files changed, 93 insertions, 1 deletions
diff --git a/gst-libs/gst/tuner/tuner.c b/gst-libs/gst/tuner/tuner.c index 43dda8d0..115cdbba 100644 --- a/gst-libs/gst/tuner/tuner.c +++ b/gst-libs/gst/tuner/tuner.c @@ -24,9 +24,20 @@ #endif #include "tuner.h" +#include "tunermarshal.h" + +enum { + NORM_CHANGED, + CHANNEL_CHANGED, + FREQUENCY_CHANGED, + SIGNAL_CHANGED, + LAST_SIGNAL +}; static void gst_tuner_class_init (GstTunerClass *klass); +static guint gst_tuner_signals[LAST_SIGNAL] = { 0 }; + GType gst_tuner_get_type (void) { @@ -49,7 +60,7 @@ gst_tuner_get_type (void) "GstTuner", &gst_tuner_info, 0); g_type_interface_add_prerequisite (gst_tuner_type, - GST_TYPE_INTERFACE); + GST_TYPE_IMPLEMENTS_INTERFACE); } return gst_tuner_type; @@ -58,6 +69,41 @@ gst_tuner_get_type (void) static void gst_tuner_class_init (GstTunerClass *klass) { + static gboolean initialized = FALSE; + + if (!initialized) { + gst_tuner_signals[NORM_CHANGED] = + g_signal_new ("norm_changed", + GST_TYPE_TUNER, G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GstTunerClass, norm_changed), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, + GST_TYPE_TUNER_NORM); + gst_tuner_signals[CHANNEL_CHANGED] = + g_signal_new ("channel_changed", + GST_TYPE_TUNER, G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GstTunerClass, channel_changed), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, + GST_TYPE_TUNER_CHANNEL); + gst_tuner_signals[NORM_CHANGED] = + g_signal_new ("norm_changed", + GST_TYPE_TUNER, G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GstTunerClass, frequency_changed), + NULL, NULL, + gst_tuner_marshal_VOID__OBJECT_ULONG, G_TYPE_NONE, 2, + GST_TYPE_TUNER_CHANNEL, G_TYPE_ULONG); + gst_tuner_signals[NORM_CHANGED] = + g_signal_new ("norm_changed", + GST_TYPE_TUNER, G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GstTunerClass, signal_changed), + NULL, NULL, + gst_tuner_marshal_VOID__OBJECT_INT, G_TYPE_NONE, 2, + GST_TYPE_TUNER_CHANNEL, G_TYPE_INT); + + initialized = TRUE; + } + /* default virtual functions */ klass->list_channels = NULL; klass->set_channel = NULL; @@ -188,3 +234,49 @@ gst_tuner_signal_strength (GstTuner *tuner, return 0; } + +void +gst_tuner_channel_changed (GstTuner *tuner, + GstTunerChannel *channel) +{ + g_signal_emit (G_OBJECT (tuner), + gst_tuner_signals[CHANNEL_CHANGED], 0, + channel); +} + +void +gst_tuner_norm_changed (GstTuner *tuner, + GstTunerNorm *norm) +{ + g_signal_emit (G_OBJECT (tuner), + gst_tuner_signals[NORM_CHANGED], 0, + norm); +} + +void +gst_tuner_frequency_changed (GstTuner *tuner, + GstTunerChannel *channel, + gulong frequency) +{ + g_signal_emit (G_OBJECT (tuner), + gst_tuner_signals[FREQUENCY_CHANGED], 0, + channel, frequency); + + g_signal_emit_by_name (G_OBJECT (channel), + "frequency_changed", + frequency); +} + +void +gst_tuner_signal_changed (GstTuner *tuner, + GstTunerChannel *channel, + gint signal) +{ + g_signal_emit (G_OBJECT (tuner), + gst_tuner_signals[SIGNAL_CHANGED], 0, + channel, signal); + + g_signal_emit_by_name (G_OBJECT (channel), + "signal_changed", + signal); +} |