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Comments and code beautification. Remove useless UI messages.

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This commit is contained in:
Xavi Artigas 2012-10-29 17:54:13 +01:00
parent e752ba790e
commit cfcfb180e6
1 changed files with 12 additions and 4 deletions
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16
gst-sdk/tutorials/android-tutorial-4/jni/tutorial-4.c
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@ -207,18 +207,20 @@ static void error_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
gst_element_set_state (data->pipeline, GST_STATE_NULL);
}
/* Called when the End Of the Stream is reached. Just move to the beginning of the media and pause. */
static void eos_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
set_ui_message (GST_MESSAGE_TYPE_NAME (msg), data);
refresh_ui (data);
data->target_state = GST_STATE_PAUSED;
data->is_live = (gst_element_set_state (data->pipeline, GST_STATE_PAUSED) == GST_STATE_CHANGE_NO_PREROLL);
execute_seek (0, data);
}
/* Called when the duration of the media changes. Just mark it as unknown, so we re-query it later. */
static void duration_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
data->duration = GST_CLOCK_TIME_NONE;
}
/* Called when buffering messages are received. We inform the UI about the current buffering level and
* keep the pipeline paused until 100% buffering is reached. At that point, set the desired state. */
static void buffering_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
gint percent;
@ -238,6 +240,7 @@ static void buffering_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
}
}
/* Called when the clock is lost */
static void clock_lost_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
if (data->target_state >= GST_STATE_PLAYING) {
gst_element_set_state (data->pipeline, GST_STATE_PAUSED);
@ -286,15 +289,18 @@ static void state_changed_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
/* Only pay attention to messages coming from the pipeline, not its children */
if (GST_MESSAGE_SRC (msg) == GST_OBJECT (data->pipeline)) {
data->state = new_state;
if (old_state < GST_STATE_PAUSED && new_state >= GST_STATE_PAUSED && GST_CLOCK_TIME_IS_VALID (data->desired_position))
execute_seek (data->desired_position, data);
gchar *message = g_strdup_printf("State changed to %s", gst_element_state_get_name(new_state));
set_ui_message(message, data);
g_free (message);
/* The Ready to Paused state change is particularly interesting: */
if (old_state == GST_STATE_READY && new_state == GST_STATE_PAUSED) {
/* By now the sink already knows the media size */
check_media_size(data);
/* If there was a scheduled seek, perform it now that we have moved to the Paused state */
if (GST_CLOCK_TIME_IS_VALID (data->desired_position))
execute_seek (data->desired_position, data);
}
}
}
@ -426,6 +432,7 @@ static void gst_native_finalize (JNIEnv* env, jobject thiz) {
GST_DEBUG ("Done finalizing");
}
/* Set playbin2's URI */
void gst_native_set_uri (JNIEnv* env, jobject thiz, jstring uri) {
CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
if (!data || !data->pipeline) return;
@ -457,6 +464,7 @@ static void gst_native_pause (JNIEnv* env, jobject thiz) {
data->is_live = (gst_element_set_state (data->pipeline, GST_STATE_PAUSED) == GST_STATE_CHANGE_NO_PREROLL);
}
/* Instruct the pipeline to seek to a different position */
void gst_native_set_position (JNIEnv* env, jobject thiz, int milliseconds) {
CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
if (!data) return;