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gst-libs/gst/interfaces/tuner.c: Fix some function guards, add some more function guards.

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Original commit message from CVS:
* gst-libs/gst/interfaces/tuner.c: (gst_tuner_list_channels),
(gst_tuner_set_channel), (gst_tuner_get_channel),
(gst_tuner_list_norms), (gst_tuner_set_norm), (gst_tuner_get_norm),
(gst_tuner_set_frequency), (gst_tuner_get_frequency),
(gst_tuner_signal_strength), (gst_tuner_find_norm_by_name),
(gst_tuner_find_channel_by_name):
Fix some function guards, add some more function guards.
This commit is contained in:
Tim-Philipp Müller 2006-10-17 17:17:16 +00:00
parent 7696cf6acb
commit acba248480
2 changed files with 49 additions and 11 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2006-10-17 Tim-Philipp Müller <tim at centricular dot net>
* gst-libs/gst/interfaces/tuner.c: (gst_tuner_list_channels),
(gst_tuner_set_channel), (gst_tuner_get_channel),
(gst_tuner_list_norms), (gst_tuner_set_norm), (gst_tuner_get_norm),
(gst_tuner_set_frequency), (gst_tuner_get_frequency),
(gst_tuner_signal_strength), (gst_tuner_find_norm_by_name),
(gst_tuner_find_channel_by_name):
Fix some function guards, add some more function guards.
2006-10-17 Jan Schmidt <thaytan@mad.scientist.com>
* gst/playback/gstdecodebin.c: (get_our_ghost_pad),

50
gst-libs/gst/interfaces/tuner.c
View file

@ -137,8 +137,11 @@ gst_tuner_class_init (GstTunerClass * klass)
const GList *
gst_tuner_list_channels (GstTuner * tuner)
{
GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
GstTunerClass *klass;
g_return_val_if_fail (GST_IS_TUNER (tuner), NULL);
klass = GST_TUNER_GET_CLASS (tuner);
if (klass->list_channels) {
return klass->list_channels (tuner);
}
@ -157,8 +160,11 @@ gst_tuner_list_channels (GstTuner * tuner)
void
gst_tuner_set_channel (GstTuner * tuner, GstTunerChannel * channel)
{
GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
GstTunerClass *klass;
g_return_if_fail (GST_IS_TUNER (tuner));
klass = GST_TUNER_GET_CLASS (tuner);
if (klass->set_channel) {
klass->set_channel (tuner, channel);
}
@ -176,8 +182,11 @@ gst_tuner_set_channel (GstTuner * tuner, GstTunerChannel * channel)
GstTunerChannel *
gst_tuner_get_channel (GstTuner * tuner)
{
GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
GstTunerClass *klass;
g_return_val_if_fail (GST_IS_TUNER (tuner), NULL);
klass = GST_TUNER_GET_CLASS (tuner);
if (klass->get_channel) {
return klass->get_channel (tuner);
}
@ -199,8 +208,11 @@ gst_tuner_get_channel (GstTuner * tuner)
const GList *
gst_tuner_list_norms (GstTuner * tuner)
{
GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
GstTunerClass *klass;
g_return_val_if_fail (GST_IS_TUNER (tuner), NULL);
klass = GST_TUNER_GET_CLASS (tuner);
if (klass->list_norms) {
return klass->list_norms (tuner);
}
@ -219,8 +231,11 @@ gst_tuner_list_norms (GstTuner * tuner)
void
gst_tuner_set_norm (GstTuner * tuner, GstTunerNorm * norm)
{
GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
GstTunerClass *klass;
g_return_if_fail (GST_IS_TUNER (tuner));
klass = GST_TUNER_GET_CLASS (tuner);
if (klass->set_norm) {
klass->set_norm (tuner, norm);
}
@ -239,8 +254,11 @@ gst_tuner_set_norm (GstTuner * tuner, GstTunerNorm * norm)
GstTunerNorm *
gst_tuner_get_norm (GstTuner * tuner)
{
GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
GstTunerClass *klass;
g_return_val_if_fail (GST_IS_TUNER (tuner), NULL);
klass = GST_TUNER_GET_CLASS (tuner);
if (klass->get_norm) {
return klass->get_norm (tuner);
}
@ -264,11 +282,14 @@ void
gst_tuner_set_frequency (GstTuner * tuner,
GstTunerChannel * channel, gulong frequency)
{
GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
GstTunerClass *klass;
g_return_if_fail (GST_IS_TUNER (tuner));
g_return_if_fail (GST_IS_TUNER_CHANNEL (channel));
g_return_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
GST_TUNER_CHANNEL_FREQUENCY));
klass = GST_TUNER_GET_CLASS (tuner);
if (klass->set_frequency) {
klass->set_frequency (tuner, channel, frequency);
}
@ -288,11 +309,15 @@ gst_tuner_set_frequency (GstTuner * tuner,
gulong
gst_tuner_get_frequency (GstTuner * tuner, GstTunerChannel * channel)
{
GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
GstTunerClass *klass;
g_return_val_if_fail (GST_IS_TUNER (tuner), 0);
g_return_val_if_fail (GST_IS_TUNER_CHANNEL (channel), 0);
g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
GST_TUNER_CHANNEL_FREQUENCY), 0);
klass = GST_TUNER_GET_CLASS (tuner);
if (klass->get_frequency) {
return klass->get_frequency (tuner, channel);
}
@ -317,11 +342,14 @@ gst_tuner_get_frequency (GstTuner * tuner, GstTunerChannel * channel)
gint
gst_tuner_signal_strength (GstTuner * tuner, GstTunerChannel * channel)
{
GstTunerClass *klass = GST_TUNER_GET_CLASS (tuner);
GstTunerClass *klass;
g_return_val_if_fail (GST_IS_TUNER (tuner), 0);
g_return_val_if_fail (GST_IS_TUNER_CHANNEL (channel), 0);
g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel,
GST_TUNER_CHANNEL_FREQUENCY), 0);
klass = GST_TUNER_GET_CLASS (tuner);
if (klass->signal_strength) {
return klass->signal_strength (tuner, channel);
}
@ -334,7 +362,7 @@ gst_tuner_find_norm_by_name (GstTuner * tuner, gchar * norm)
{
GList *walk;
g_return_val_if_fail (GST_TUNER (tuner), NULL);
g_return_val_if_fail (GST_IS_TUNER (tuner), NULL);
g_return_val_if_fail (norm != NULL, NULL);
walk = (GList *) gst_tuner_list_norms (tuner);
@ -351,7 +379,7 @@ gst_tuner_find_channel_by_name (GstTuner * tuner, gchar * channel)
{
GList *walk;
g_return_val_if_fail (GST_TUNER (tuner), NULL);
g_return_val_if_fail (GST_IS_TUNER (tuner), NULL);
g_return_val_if_fail (channel != NULL, NULL);
walk = (GList *) gst_tuner_list_channels (tuner);