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Implement handling of buffering and clock-lost messages

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This commit is contained in:
Sebastian Dröge 2012-09-26 10:27:27 +02:00
parent a247dddc71
commit 3e795c9a19
1 changed files with 24 additions and 3 deletions
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27
gst-sdk/tutorials/android-tutorial-1/jni/tutorial-1.c
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@ -32,6 +32,7 @@ typedef struct _CustomData {
GstElement *vsink; GstElement *vsink;
gint64 desired_position; gint64 desired_position;
gboolean initialized; gboolean initialized;
gboolean is_live;
} CustomData; } CustomData;
static pthread_t gst_app_thread; static pthread_t gst_app_thread;
@ -147,7 +148,7 @@ static void error_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
static void eos_cb (GstBus *bus, GstMessage *msg, CustomData *data) { static void eos_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
set_ui_message (GST_MESSAGE_TYPE_NAME (msg), data); set_ui_message (GST_MESSAGE_TYPE_NAME (msg), data);
refresh_ui (data); refresh_ui (data);
gst_element_set_state (data->pipeline, GST_STATE_PAUSED); data->is_live = (gst_element_set_state (data->pipeline, GST_STATE_PAUSED) == GST_STATE_CHANGE_NO_PREROLL);
execute_seek (0, data); execute_seek (0, data);
} }
@ -155,6 +156,24 @@ static void duration_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
data->duration = GST_CLOCK_TIME_NONE; data->duration = GST_CLOCK_TIME_NONE;
} }
static void buffering_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
gint percent;
if (data->is_live)
return;
gst_message_parse_buffering (msg, &percent);
if (percent < 100)
gst_element_set_state (data->pipeline, GST_STATE_PAUSED);
else
gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
}
static void clock_lost_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
gst_element_set_state (data->pipeline, GST_STATE_PAUSED);
gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
}
static void state_changed_cb (GstBus *bus, GstMessage *msg, CustomData *data) { static void state_changed_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
JNIEnv *env = get_jni_env (); JNIEnv *env = get_jni_env ();
GstState old_state, new_state, pending_state; GstState old_state, new_state, pending_state;
@ -227,6 +246,8 @@ static void *app_function (void *userdata) {
g_signal_connect (G_OBJECT (bus), "message::eos", (GCallback)eos_cb, data); g_signal_connect (G_OBJECT (bus), "message::eos", (GCallback)eos_cb, data);
g_signal_connect (G_OBJECT (bus), "message::state-changed", (GCallback)state_changed_cb, data); g_signal_connect (G_OBJECT (bus), "message::state-changed", (GCallback)state_changed_cb, data);
g_signal_connect (G_OBJECT (bus), "message::duration", (GCallback)duration_cb, data); g_signal_connect (G_OBJECT (bus), "message::duration", (GCallback)duration_cb, data);
g_signal_connect (G_OBJECT (bus), "message::buffering", (GCallback)buffering_cb, data);
g_signal_connect (G_OBJECT (bus), "message::clock-lost", (GCallback)clock_lost_cb, data);
gst_object_unref (bus); gst_object_unref (bus);
/* Register a function that GLib will call 4 times per second */ /* Register a function that GLib will call 4 times per second */
@ -286,14 +307,14 @@ void gst_native_play (JNIEnv* env, jobject thiz) {
CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id); CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
if (!data) return; if (!data) return;
GST_DEBUG ("Setting state to PLAYING"); GST_DEBUG ("Setting state to PLAYING");
gst_element_set_state (data->pipeline, GST_STATE_PLAYING); data->is_live = (gst_element_set_state (data->pipeline, GST_STATE_PLAYING) == GST_STATE_CHANGE_NO_PREROLL);
} }
void gst_native_pause (JNIEnv* env, jobject thiz) { void gst_native_pause (JNIEnv* env, jobject thiz) {
CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id); CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
if (!data) return; if (!data) return;
GST_DEBUG ("Setting state to PAUSED"); GST_DEBUG ("Setting state to PAUSED");
gst_element_set_state (data->pipeline, GST_STATE_PAUSED); data->is_live = (gst_element_set_state (data->pipeline, GST_STATE_PAUSED) == GST_STATE_CHANGE_NO_PREROLL);
} }
void gst_native_set_position (JNIEnv* env, jobject thiz, int milliseconds) { void gst_native_set_position (JNIEnv* env, jobject thiz, int milliseconds) {