diff --git a/.idea/misc.xml b/.idea/misc.xml
index 2a01906..6aa58cc 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -16,5 +16,5 @@
-
+
\ No newline at end of file
diff --git a/gstreamer_player/jni/gst_player.c b/gstreamer_player/jni/gst_player.c
index 21b268c..ed7e66b 100644
--- a/gstreamer_player/jni/gst_player.c
+++ b/gstreamer_player/jni/gst_player.c
@@ -24,31 +24,22 @@ GST_DEBUG_CATEGORY_STATIC (debug_category);
# define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)(jint)data)
#endif
-/* Do not allow seeks to be performed closer than this distance. It is visually useless, and will probably
- * confuse some demuxers. */
-#define SEEK_MIN_DELAY (500 * GST_MSECOND)
-
/* Structure to contain all our information, so we can pass it to callbacks */
-typedef struct _CustomData
-{
- jobject app; /* Application instance, used to call its methods. A global reference is kept. */
- GstElement *pipeline; /* The running pipeline */
- GMainContext *context; /* GLib context used to run the main loop */
- GMainLoop *main_loop; /* GLib main loop */
- gboolean initialized; /* To avoid informing the UI multiple times about the initialization */
- ANativeWindow *native_window; /* The Android native window where video will be rendered */
- GstState state; /* Current pipeline state */
- GstState target_state; /* Desired pipeline state, to be set once buffering is complete */
- gint64 duration; /* Cached clip duration */
- gint64 desired_position; /* Position to seek to, once the pipeline is running */
- GstClockTime last_seek_time; /* For seeking overflow prevention (throttling) */
- gboolean is_live; /* Live streams do not use buffering */
+typedef struct _CustomData {
+ jobject app; /* Application instance, used to call its methods. A global reference is kept. */
+ GstElement *pipeline; /* The running pipeline */
+ GMainContext *context; /* GLib context used to run the main loop */
+ GMainLoop *main_loop; /* GLib main loop */
+ gboolean initialized; /* To avoid informing the UI multiple times about the initialization */
+ ANativeWindow *native_window; /* The Android native window where video will be rendered */
+ GstState state; /* Current pipeline state */
+ GstState target_state; /* Desired pipeline state, to be set once buffering is complete */
+ gboolean is_live; /* Live streams do not use buffering */
} CustomData;
/* playbin2 flags */
-typedef enum
-{
- GST_PLAY_FLAG_TEXT = (1 << 2) /* We want subtitle output */
+typedef enum {
+ GST_PLAY_FLAG_TEXT = (1 << 2) /* We want subtitle output */
} GstPlayFlags;
/* These global variables cache values which are not changing during execution */
@@ -57,7 +48,6 @@ static pthread_key_t current_jni_env;
static JavaVM *java_vm;
static jfieldID custom_data_field_id;
static jmethodID set_message_method_id;
-static jmethodID set_current_position_method_id;
static jmethodID on_gstreamer_initialized_method_id;
static jmethodID on_media_size_changed_method_id;
@@ -66,368 +56,255 @@ static jmethodID on_media_size_changed_method_id;
*/
/* Register this thread with the VM */
-static JNIEnv *attach_current_thread (void){
- JNIEnv *env;
- JavaVMAttachArgs args;
+static JNIEnv *attach_current_thread(void) {
+ JNIEnv *env;
+ JavaVMAttachArgs args;
- GST_DEBUG ("Attaching thread %p", g_thread_self ());
- args.version = JNI_VERSION_1_4;
- args.name = NULL;
- args.group = NULL;
+ GST_DEBUG ("Attaching thread %p", g_thread_self());
+ args.version = JNI_VERSION_1_4;
+ args.name = NULL;
+ args.group = NULL;
- if ((*java_vm)->AttachCurrentThread (java_vm, &env, &args) < 0) {
- GST_ERROR ("Failed to attach current thread");
- return NULL;
- }
+ if ((*java_vm)->AttachCurrentThread(java_vm, &env, &args) < 0) {
+ GST_ERROR ("Failed to attach current thread");
+ return NULL;
+ }
- return env;
+ return env;
}
/* Unregister this thread from the VM */
-static void detach_current_thread (void *env) {
- GST_DEBUG ("Detaching thread %p", g_thread_self ());
- (*java_vm)->DetachCurrentThread (java_vm);
+static void detach_current_thread(void *env) {
+ GST_DEBUG ("Detaching thread %p", g_thread_self());
+ (*java_vm)->DetachCurrentThread(java_vm);
}
/* Retrieve the JNI environment for this thread */
-static JNIEnv *get_jni_env (void) {
- JNIEnv *env;
+static JNIEnv *get_jni_env(void) {
+ JNIEnv *env;
- if ((env = pthread_getspecific (current_jni_env)) == NULL) {
- env = attach_current_thread ();
- pthread_setspecific (current_jni_env, env);
- }
+ if ((env = pthread_getspecific(current_jni_env)) == NULL) {
+ env = attach_current_thread();
+ pthread_setspecific(current_jni_env, env);
+ }
- return env;
+ return env;
}
/* Change the content of the UI's TextView */
-static void set_ui_message (const gchar * message, CustomData * data) {
- JNIEnv *env = get_jni_env ();
- GST_DEBUG ("Setting message to: %s", message);
- jstring jmessage = (*env)->NewStringUTF (env, message);
- (*env)->CallVoidMethod (env, data->app, set_message_method_id, jmessage);
- if ((*env)->ExceptionCheck (env)) {
- GST_ERROR ("Failed to call Java method");
- (*env)->ExceptionClear (env);
- }
- (*env)->DeleteLocalRef (env, jmessage);
-}
-
-/* Tell the application what is the current position and clip duration */
-static void set_current_ui_position (gint position, gint duration, CustomData * data) {
- JNIEnv *env = get_jni_env ();
- (*env)->CallVoidMethod (env, data->app, set_current_position_method_id,
- position, duration);
- if ((*env)->ExceptionCheck (env)) {
- GST_ERROR ("Failed to call Java method");
- (*env)->ExceptionClear (env);
- }
-}
-
-/* If we have pipeline and it is running, query the current position and clip duration and inform
- * the application */
-static gboolean refresh_ui (CustomData * data) {
- gint64 current = -1;
- gint64 position;
-
- /* We do not want to update anything unless we have a working pipeline in the PAUSED or PLAYING state */
- if (!data || !data->pipeline || data->state < GST_STATE_PAUSED)
- return TRUE;
-
- /* If we didn't know it yet, query the stream duration */
- if (!GST_CLOCK_TIME_IS_VALID (data->duration)) {
- if (!gst_element_query_duration (data->pipeline, GST_FORMAT_TIME,
- &data->duration)) {
- /*GST_WARNING
- ("Could not query current duration (normal for still pictures)");*/
- data->duration = 0;
+static void set_ui_message(const gchar *message, CustomData *data) {
+ JNIEnv *env = get_jni_env();
+ GST_DEBUG ("Setting message to: %s", message);
+ jstring jmessage = (*env)->NewStringUTF(env, message);
+ (*env)->CallVoidMethod(env, data->app, set_message_method_id, jmessage);
+ if ((*env)->ExceptionCheck(env)) {
+ GST_ERROR ("Failed to call Java method");
+ (*env)->ExceptionClear(env);
}
- }
-
- if (!gst_element_query_position (data->pipeline, GST_FORMAT_TIME, &position)) {
- /*GST_WARNING
- ("Could not query current position (normal for still pictures)");*/
- position = 0;
- }
-
- /* Java expects these values in milliseconds, and GStreamer provides nanoseconds */
- set_current_ui_position (position / GST_MSECOND, data->duration / GST_MSECOND,
- data);
- return TRUE;
-}
-
-/* Forward declaration for the delayed seek callback */
-static gboolean delayed_seek_cb (CustomData * data);
-
-/* Perform seek, if we are not too close to the previous seek. Otherwise, schedule the seek for
- * some time in the future. */
-static void execute_seek (gint64 desired_position, CustomData * data) {
- gint64 diff;
-
- if (desired_position == GST_CLOCK_TIME_NONE)
- return;
-
- diff = gst_util_get_timestamp () - data->last_seek_time;
-
- if (GST_CLOCK_TIME_IS_VALID (data->last_seek_time) && diff < SEEK_MIN_DELAY) {
- /* The previous seek was too close, delay this one */
- GSource *timeout_source;
-
- if (data->desired_position == GST_CLOCK_TIME_NONE) {
- /* There was no previous seek scheduled. Setup a timer for some time in the future */
- timeout_source =
- g_timeout_source_new ((SEEK_MIN_DELAY - diff) / GST_MSECOND);
- g_source_set_callback (timeout_source, (GSourceFunc) delayed_seek_cb,
- data, NULL);
- g_source_attach (timeout_source, data->context);
- g_source_unref (timeout_source);
- }
- /* Update the desired seek position. If multiple petitions are received before it is time
- * to perform a seek, only the last one is remembered. */
- data->desired_position = desired_position;
- GST_DEBUG ("Throttling seek to %" GST_TIME_FORMAT ", will be in %"
- GST_TIME_FORMAT, GST_TIME_ARGS (desired_position),
- GST_TIME_ARGS (SEEK_MIN_DELAY - diff));
- } else {
- /* Perform the seek now */
- GST_DEBUG ("Seeking to %" GST_TIME_FORMAT,
- GST_TIME_ARGS (desired_position));
- data->last_seek_time = gst_util_get_timestamp ();
- gst_element_seek_simple (data->pipeline, GST_FORMAT_TIME,
- GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT, desired_position);
- data->desired_position = GST_CLOCK_TIME_NONE;
- }
-}
-
-/* Delayed seek callback. This gets called by the timer setup in the above function. */
-static gboolean delayed_seek_cb (CustomData * data) {
- GST_DEBUG ("Doing delayed seek to %" GST_TIME_FORMAT,
- GST_TIME_ARGS (data->desired_position));
- execute_seek (data->desired_position, data);
- return FALSE;
+ (*env)->DeleteLocalRef(env, jmessage);
}
/* Retrieve errors from the bus and show them on the UI */
-static void error_cb (GstBus * bus, GstMessage * msg, CustomData * data) {
- GError *err;
- gchar *debug_info;
- gchar *message_string;
+static void error_cb(GstBus *bus, GstMessage *msg, CustomData *data) {
+ GError *err;
+ gchar *debug_info;
+ gchar *message_string;
- gst_message_parse_error (msg, &err, &debug_info);
- message_string =
- g_strdup_printf ("Error received from element %s: %s",
- GST_OBJECT_NAME (msg->src), err->message);
- g_clear_error (&err);
- g_free (debug_info);
- set_ui_message (message_string, data);
- g_free (message_string);
- data->target_state = GST_STATE_NULL;
- gst_element_set_state (data->pipeline, GST_STATE_NULL);
+ gst_message_parse_error(msg, &err, &debug_info);
+ message_string =
+ g_strdup_printf("Error received from element %s: %s",
+ GST_OBJECT_NAME (msg->src), err->message);
+ g_clear_error(&err);
+ g_free(debug_info);
+ set_ui_message(message_string, data);
+ g_free(message_string);
+ data->target_state = GST_STATE_NULL;
+ 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) {
- 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 in the next UI refresh. */
-static void duration_cb (GstBus * bus, GstMessage * msg, CustomData * data) {
- data->duration = GST_CLOCK_TIME_NONE;
+static void eos_cb(GstBus *bus, GstMessage *msg, CustomData *data) {
+ data->target_state = GST_STATE_PAUSED;
+ data->is_live |= (gst_element_set_state(data->pipeline,
+ GST_STATE_PAUSED) == GST_STATE_CHANGE_NO_PREROLL);
}
/* 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;
+static void buffering_cb(GstBus *bus, GstMessage *msg, CustomData *data) {
+ gint percent;
- if (data->is_live)
- return;
+ if (data->is_live)
+ return;
- gst_message_parse_buffering (msg, &percent);
- if (percent < 100 && data->target_state >= GST_STATE_PAUSED) {
- gchar *message_string = g_strdup_printf ("Buffering %d%%", percent);
- gst_element_set_state (data->pipeline, GST_STATE_PAUSED);
- set_ui_message (message_string, data);
- g_free (message_string);
- } else if (data->target_state >= GST_STATE_PLAYING) {
- gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
- } else if (data->target_state >= GST_STATE_PAUSED) {
- set_ui_message ("Buffering complete", data);
- }
+ gst_message_parse_buffering(msg, &percent);
+ if (percent < 100 && data->target_state >= GST_STATE_PAUSED) {
+ gchar *message_string = g_strdup_printf("Buffering %d%%", percent);
+ gst_element_set_state(data->pipeline, GST_STATE_PAUSED);
+ set_ui_message(message_string, data);
+ g_free(message_string);
+ } else if (data->target_state >= GST_STATE_PLAYING) {
+ gst_element_set_state(data->pipeline, GST_STATE_PLAYING);
+ } else if (data->target_state >= GST_STATE_PAUSED) {
+ set_ui_message("Buffering complete", 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);
- gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
- }
+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);
+ gst_element_set_state(data->pipeline, GST_STATE_PLAYING);
+ }
}
/* Retrieve the video sink's Caps and tell the application about the media size */
-static void check_media_size (CustomData * data) {
- JNIEnv *env = get_jni_env ();
- GstElement *video_sink;
- GstPad *video_sink_pad;
- GstCaps *caps;
- GstVideoInfo info;
+static void check_media_size(CustomData *data) {
+ JNIEnv *env = get_jni_env();
+ GstElement *video_sink;
+ GstPad *video_sink_pad;
+ GstCaps *caps;
+ GstVideoInfo info;
- /* Retrieve the Caps at the entrance of the video sink */
- g_object_get (data->pipeline, "video-sink", &video_sink, NULL);
- video_sink_pad = gst_element_get_static_pad (video_sink, "sink");
- caps = gst_pad_get_current_caps (video_sink_pad);
+ /* Retrieve the Caps at the entrance of the video sink */
+ g_object_get(data->pipeline, "video-sink", &video_sink, NULL);
+ video_sink_pad = gst_element_get_static_pad(video_sink, "sink");
+ caps = gst_pad_get_current_caps(video_sink_pad);
- if (gst_video_info_from_caps (&info, caps)) {
- info.width = info.width * info.par_n / info.par_d;
- GST_DEBUG ("Media size is %dx%d, notifying application", info.width,
- info.height);
+ if (gst_video_info_from_caps(&info, caps)) {
+ info.width = info.width * info.par_n / info.par_d;
+ GST_DEBUG ("Media size is %dx%d, notifying application", info.width,
+ info.height);
- (*env)->CallVoidMethod (env, data->app, on_media_size_changed_method_id,
- (jint) info.width, (jint) info.height);
- if ((*env)->ExceptionCheck (env)) {
- GST_ERROR ("Failed to call Java method");
- (*env)->ExceptionClear (env);
+ (*env)->CallVoidMethod(env, data->app, on_media_size_changed_method_id,
+ (jint) info.width, (jint) info.height);
+ if ((*env)->ExceptionCheck(env)) {
+ GST_ERROR ("Failed to call Java method");
+ (*env)->ExceptionClear(env);
+ }
}
- }
- gst_caps_unref (caps);
- gst_object_unref (video_sink_pad);
- gst_object_unref (video_sink);
+ gst_caps_unref(caps);
+ gst_object_unref(video_sink_pad);
+ gst_object_unref(video_sink);
}
/* Notify UI about pipeline state changes */
-static void state_changed_cb (GstBus * bus, GstMessage * msg, CustomData * data) {
- GstState old_state, new_state, pending_state;
- gst_message_parse_state_changed (msg, &old_state, &new_state, &pending_state);
- /* 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;
- gchar *message = g_strdup_printf ("State changed to %s",
- gst_element_state_get_name (new_state));
- set_ui_message (message, data);
- g_free (message);
+static void state_changed_cb(GstBus *bus, GstMessage *msg, CustomData *data) {
+ GstState old_state, new_state, pending_state;
+ gst_message_parse_state_changed(msg, &old_state, &new_state, &pending_state);
+ /* 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;
+ gchar *message = g_strdup_printf("State changed to %s",
+ gst_element_state_get_name(new_state));
+ set_ui_message(message, data);
+ g_free(message);
- if (new_state == GST_STATE_NULL || new_state == GST_STATE_READY)
- data->is_live = FALSE;
+ if (new_state == GST_STATE_NULL || new_state == GST_STATE_READY)
+ data->is_live = FALSE;
- /* 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);
+ /* 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);
+ }
}
- }
}
/* Check if all conditions are met to report GStreamer as initialized.
* These conditions will change depending on the application */
-static void check_initialization_complete (CustomData * data) {
- JNIEnv *env = get_jni_env ();
- if (!data->initialized && data->native_window && data->main_loop) {
- GST_DEBUG
+static void check_initialization_complete(CustomData *data) {
+ JNIEnv *env = get_jni_env();
+ if (!data->initialized && data->native_window && data->main_loop) {
+ GST_DEBUG
("Initialization complete, notifying application. native_window:%p main_loop:%p",
- data->native_window, data->main_loop);
+ data->native_window, data->main_loop);
- /* The main loop is running and we received a native window, inform the sink about it */
- gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (data->pipeline),
- (guintptr) data->native_window);
+ /* The main loop is running and we received a native window, inform the sink about it */
+ gst_video_overlay_set_window_handle(GST_VIDEO_OVERLAY (data->pipeline),
+ (guintptr) data->native_window);
- (*env)->CallVoidMethod (env, data->app, on_gstreamer_initialized_method_id);
- if ((*env)->ExceptionCheck (env)) {
- GST_ERROR ("Failed to call Java method");
- (*env)->ExceptionClear (env);
+ (*env)->CallVoidMethod(env, data->app, on_gstreamer_initialized_method_id);
+ if ((*env)->ExceptionCheck(env)) {
+ GST_ERROR ("Failed to call Java method");
+ (*env)->ExceptionClear(env);
+ }
+ data->initialized = TRUE;
}
- data->initialized = TRUE;
- }
}
/* Main method for the native code. This is executed on its own thread. */
-static void *app_function (void *userdata) {
- JavaVMAttachArgs args;
- GstBus *bus;
- CustomData *data = (CustomData *) userdata;
- GSource *timeout_source;
- GSource *bus_source;
- GError *error = NULL;
- guint flags;
+static void *app_function(void *userdata) {
+ JavaVMAttachArgs args;
+ GstBus *bus;
+ CustomData *data = (CustomData *) userdata;
+ GSource *timeout_source;
+ GSource *bus_source;
+ GError *error = NULL;
+ guint flags;
- GST_DEBUG ("Creating pipeline in CustomData at %p", data);
+ GST_DEBUG ("Creating pipeline in CustomData at %p", data);
- /* Create our own GLib Main Context and make it the default one */
- data->context = g_main_context_new ();
- g_main_context_push_thread_default (data->context);
+ /* Create our own GLib Main Context and make it the default one */
+ data->context = g_main_context_new();
+ g_main_context_push_thread_default(data->context);
+
+ /* Build pipeline */
+ data->pipeline = gst_parse_launch("playbin", &error);
+ if (error) {
+ gchar *message =
+ g_strdup_printf("Unable to build pipeline: %s", error->message);
+ g_clear_error(&error);
+ set_ui_message(message, data);
+ g_free(message);
+ return NULL;
+ }
+
+ /* Disable subtitles */
+ g_object_get(data->pipeline, "flags", &flags, NULL);
+ flags &= ~GST_PLAY_FLAG_TEXT;
+ g_object_set(data->pipeline, "flags", flags, NULL);
+
+ /* Set the pipeline to READY, so it can already accept a window handle, if we have one */
+ data->target_state = GST_STATE_READY;
+ gst_element_set_state(data->pipeline, GST_STATE_READY);
+
+ /* Instruct the bus to emit signals for each received message, and connect to the interesting signals */
+ bus = gst_element_get_bus(data->pipeline);
+ bus_source = gst_bus_create_watch(bus);
+ g_source_set_callback(bus_source, (GSourceFunc) gst_bus_async_signal_func,
+ NULL, NULL);
+ g_source_attach(bus_source, data->context);
+ g_source_unref(bus_source);
+ g_signal_connect (G_OBJECT(bus), "message::error", (GCallback) error_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::buffering",
+ (GCallback) buffering_cb, data);
+ g_signal_connect (G_OBJECT(bus), "message::clock-lost",
+ (GCallback) clock_lost_cb, data);
+ gst_object_unref(bus);
+
+ /* Create a GLib Main Loop and set it to run */
+ GST_DEBUG ("Entering main loop... (CustomData:%p)", data);
+ data->main_loop = g_main_loop_new(data->context, FALSE);
+ check_initialization_complete(data);
+ g_main_loop_run(data->main_loop);
+ GST_DEBUG ("Exited main loop");
+ g_main_loop_unref(data->main_loop);
+ data->main_loop = NULL;
+
+ /* Free resources */
+ g_main_context_pop_thread_default(data->context);
+ g_main_context_unref(data->context);
+ data->target_state = GST_STATE_NULL;
+ gst_element_set_state(data->pipeline, GST_STATE_NULL);
+ gst_object_unref(data->pipeline);
- /* Build pipeline */
- data->pipeline = gst_parse_launch ("playbin", &error);
- if (error) {
- gchar *message =
- g_strdup_printf ("Unable to build pipeline: %s", error->message);
- g_clear_error (&error);
- set_ui_message (message, data);
- g_free (message);
return NULL;
- }
-
- /* Disable subtitles */
- g_object_get (data->pipeline, "flags", &flags, NULL);
- flags &= ~GST_PLAY_FLAG_TEXT;
- g_object_set (data->pipeline, "flags", flags, NULL);
-
- /* Set the pipeline to READY, so it can already accept a window handle, if we have one */
- data->target_state = GST_STATE_READY;
- gst_element_set_state (data->pipeline, GST_STATE_READY);
-
- /* Instruct the bus to emit signals for each received message, and connect to the interesting signals */
- bus = gst_element_get_bus (data->pipeline);
- bus_source = gst_bus_create_watch (bus);
- g_source_set_callback (bus_source, (GSourceFunc) gst_bus_async_signal_func,
- NULL, NULL);
- g_source_attach (bus_source, data->context);
- g_source_unref (bus_source);
- g_signal_connect (G_OBJECT (bus), "message::error", (GCallback) error_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::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);
-
- /* Register a function that GLib will call 4 times per second */
- timeout_source = g_timeout_source_new (250);
- g_source_set_callback (timeout_source, (GSourceFunc) refresh_ui, data, NULL);
- g_source_attach (timeout_source, data->context);
- g_source_unref (timeout_source);
-
- /* Create a GLib Main Loop and set it to run */
- GST_DEBUG ("Entering main loop... (CustomData:%p)", data);
- data->main_loop = g_main_loop_new (data->context, FALSE);
- check_initialization_complete (data);
- g_main_loop_run (data->main_loop);
- GST_DEBUG ("Exited main loop");
- g_main_loop_unref (data->main_loop);
- data->main_loop = NULL;
-
- /* Free resources */
- g_main_context_pop_thread_default (data->context);
- g_main_context_unref (data->context);
- data->target_state = GST_STATE_NULL;
- gst_element_set_state (data->pipeline, GST_STATE_NULL);
- gst_object_unref (data->pipeline);
-
- return NULL;
}
/*
@@ -435,195 +312,167 @@ static void *app_function (void *userdata) {
*/
/* Instruct the native code to create its internal data structure, pipeline and thread */
-static void gst_native_init (JNIEnv * env, jobject thiz) {
- CustomData *data = g_new0 (CustomData, 1);
- data->desired_position = GST_CLOCK_TIME_NONE;
- data->last_seek_time = GST_CLOCK_TIME_NONE;
- SET_CUSTOM_DATA (env, thiz, custom_data_field_id, data);
- GST_DEBUG_CATEGORY_INIT (debug_category, "player", 0,
- "Android tutorial 5");
- gst_debug_set_threshold_for_name ("player", GST_LEVEL_DEBUG);
- GST_DEBUG ("Created CustomData at %p", data);
- data->app = (*env)->NewGlobalRef (env, thiz);
- GST_DEBUG ("Created GlobalRef for app object at %p", data->app);
- pthread_create (&gst_app_thread, NULL, &app_function, data);
+static void gst_native_init(JNIEnv *env, jobject thiz) {
+ CustomData *data = g_new0 (CustomData, 1);
+ SET_CUSTOM_DATA (env, thiz, custom_data_field_id, data);
+ GST_DEBUG_CATEGORY_INIT (debug_category, "player", 0,
+ "Android tutorial 5");
+ gst_debug_set_threshold_for_name("player", GST_LEVEL_DEBUG);
+ GST_DEBUG ("Created CustomData at %p", data);
+ data->app = (*env)->NewGlobalRef(env, thiz);
+ GST_DEBUG ("Created GlobalRef for app object at %p", data->app);
+ pthread_create(&gst_app_thread, NULL, &app_function, data);
}
/* Quit the main loop, remove the native thread and free resources */
-static void gst_native_finalize (JNIEnv * env, jobject thiz) {
- CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
- if (!data)
- return;
- GST_DEBUG ("Quitting main loop...");
- g_main_loop_quit (data->main_loop);
- GST_DEBUG ("Waiting for thread to finish...");
- pthread_join (gst_app_thread, NULL);
- GST_DEBUG ("Deleting GlobalRef for app object at %p", data->app);
- (*env)->DeleteGlobalRef (env, data->app);
- GST_DEBUG ("Freeing CustomData at %p", data);
- g_free (data);
- SET_CUSTOM_DATA (env, thiz, custom_data_field_id, NULL);
- GST_DEBUG ("Done finalizing");
+static void gst_native_finalize(JNIEnv *env, jobject thiz) {
+ CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
+ if (!data)
+ return;
+ GST_DEBUG ("Quitting main loop...");
+ g_main_loop_quit(data->main_loop);
+ GST_DEBUG ("Waiting for thread to finish...");
+ pthread_join(gst_app_thread, NULL);
+ GST_DEBUG ("Deleting GlobalRef for app object at %p", data->app);
+ (*env)->DeleteGlobalRef(env, data->app);
+ GST_DEBUG ("Freeing CustomData at %p", data);
+ g_free(data);
+ SET_CUSTOM_DATA (env, thiz, custom_data_field_id, NULL);
+ 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;
- const gchar *char_uri = (*env)->GetStringUTFChars (env, uri, NULL);
- GST_DEBUG ("Setting URI to %s", char_uri);
- if (data->target_state >= GST_STATE_READY)
- gst_element_set_state (data->pipeline, GST_STATE_READY);
- g_object_set (data->pipeline, "uri", char_uri, NULL);
- (*env)->ReleaseStringUTFChars (env, uri, char_uri);
- data->duration = GST_CLOCK_TIME_NONE;
- data->is_live |=
- (gst_element_set_state (data->pipeline,
- data->target_state) == GST_STATE_CHANGE_NO_PREROLL);
+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;
+ const gchar *char_uri = (*env)->GetStringUTFChars(env, uri, NULL);
+ GST_DEBUG ("Setting URI to %s", char_uri);
+ if (data->target_state >= GST_STATE_READY)
+ gst_element_set_state(data->pipeline, GST_STATE_READY);
+ g_object_set(data->pipeline, "uri", char_uri, NULL);
+ (*env)->ReleaseStringUTFChars(env, uri, char_uri);
+ data->is_live |=
+ (gst_element_set_state(data->pipeline, data->target_state) == GST_STATE_CHANGE_NO_PREROLL);
}
/* Set pipeline to PLAYING state */
-static void gst_native_play (JNIEnv * env, jobject thiz) {
- CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
- if (!data)
- return;
- GST_DEBUG ("Setting state to PLAYING");
- data->target_state = GST_STATE_PLAYING;
- data->is_live |=
- (gst_element_set_state (data->pipeline,
- GST_STATE_PLAYING) == GST_STATE_CHANGE_NO_PREROLL);
+static void gst_native_play(JNIEnv *env, jobject thiz) {
+ CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
+ if (!data)
+ return;
+ GST_DEBUG ("Setting state to PLAYING");
+ data->target_state = GST_STATE_PLAYING;
+ data->is_live |= (gst_element_set_state(data->pipeline, GST_STATE_PLAYING) == GST_STATE_CHANGE_NO_PREROLL);
}
/* Set pipeline to PAUSED state */
-static void gst_native_pause (JNIEnv * env, jobject thiz) {
+static void gst_native_pause(JNIEnv *env, jobject thiz) {
CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
if (!data)
return;
GST_DEBUG ("Setting state to PAUSED");
data->target_state = GST_STATE_PAUSED;
- 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;
- gint64 desired_position = (gint64) (milliseconds * GST_MSECOND);
- if (data->state >= GST_STATE_PAUSED) {
- execute_seek (desired_position, data);
- } else {
- GST_DEBUG ("Scheduling seek to %" GST_TIME_FORMAT " for later",
- GST_TIME_ARGS (desired_position));
- data->desired_position = desired_position;
- }
+ data->is_live |=(gst_element_set_state(data->pipeline, GST_STATE_PAUSED) == GST_STATE_CHANGE_NO_PREROLL);
}
/* Static class initializer: retrieve method and field IDs */
-static jboolean gst_native_class_init (JNIEnv * env, jclass klass) {
- custom_data_field_id =
- (*env)->GetFieldID (env, klass, "native_custom_data", "J");
- set_message_method_id =
- (*env)->GetMethodID (env, klass, "setMessage", "(Ljava/lang/String;)V");
- set_current_position_method_id =
- (*env)->GetMethodID (env, klass, "setCurrentPosition", "(II)V");
- on_gstreamer_initialized_method_id =
- (*env)->GetMethodID (env, klass, "onGStreamerInitialized", "()V");
- on_media_size_changed_method_id =
- (*env)->GetMethodID (env, klass, "onMediaSizeChanged", "(II)V");
+static jboolean gst_native_class_init(JNIEnv *env, jclass klass) {
+ custom_data_field_id =
+ (*env)->GetFieldID(env, klass, "native_custom_data", "J");
+ set_message_method_id =
+ (*env)->GetMethodID(env, klass, "setMessage", "(Ljava/lang/String;)V");
+ on_gstreamer_initialized_method_id =
+ (*env)->GetMethodID(env, klass, "onGStreamerInitialized", "()V");
+ on_media_size_changed_method_id =
+ (*env)->GetMethodID(env, klass, "onMediaSizeChanged", "(II)V");
- if (!custom_data_field_id || !set_message_method_id
- || !on_gstreamer_initialized_method_id || !on_media_size_changed_method_id
- || !set_current_position_method_id) {
- /* We emit this message through the Android log instead of the GStreamer log because the later
- * has not been initialized yet.
- */
- __android_log_print (ANDROID_LOG_ERROR, "tutorial-4",
- "The calling class does not implement all necessary interface methods");
- return JNI_FALSE;
- }
- return JNI_TRUE;
-}
-
-static void gst_native_surface_init (JNIEnv * env, jobject thiz, jobject surface) {
- CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
- if (!data)
- return;
- ANativeWindow *new_native_window = ANativeWindow_fromSurface (env, surface);
- GST_DEBUG ("Received surface %p (native window %p)", surface,
- new_native_window);
-
- if (data->native_window) {
- ANativeWindow_release (data->native_window);
- if (data->native_window == new_native_window) {
- GST_DEBUG ("New native window is the same as the previous one %p",
- data->native_window);
- if (data->pipeline) {
- gst_video_overlay_expose (GST_VIDEO_OVERLAY (data->pipeline));
- gst_video_overlay_expose (GST_VIDEO_OVERLAY (data->pipeline));
- }
- return;
- } else {
- GST_DEBUG ("Released previous native window %p", data->native_window);
- data->initialized = FALSE;
+ if (!custom_data_field_id || !set_message_method_id
+ || !on_gstreamer_initialized_method_id || !on_media_size_changed_method_id) {
+ /* We emit this message through the Android log instead of the GStreamer log because the later
+ * has not been initialized yet.
+ */
+ __android_log_print(ANDROID_LOG_ERROR, "tutorial-4",
+ "The calling class does not implement all necessary interface methods");
+ return JNI_FALSE;
}
- }
- data->native_window = new_native_window;
-
- check_initialization_complete (data);
+ return JNI_TRUE;
}
-static void gst_native_surface_finalize (JNIEnv * env, jobject thiz) {
- CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
- if (!data)
- return;
- GST_DEBUG ("Releasing Native Window %p", data->native_window);
+static void gst_native_surface_init(JNIEnv *env, jobject thiz, jobject surface) {
+ CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
+ if (!data)
+ return;
+ ANativeWindow *new_native_window = ANativeWindow_fromSurface(env, surface);
+ GST_DEBUG ("Received surface %p (native window %p)", surface,
+ new_native_window);
- if (data->pipeline) {
- gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (data->pipeline),
- (guintptr) NULL);
- gst_element_set_state (data->pipeline, GST_STATE_READY);
- }
+ if (data->native_window) {
+ ANativeWindow_release(data->native_window);
+ if (data->native_window == new_native_window) {
+ GST_DEBUG ("New native window is the same as the previous one %p",
+ data->native_window);
+ if (data->pipeline) {
+ gst_video_overlay_expose(GST_VIDEO_OVERLAY (data->pipeline));
+ gst_video_overlay_expose(GST_VIDEO_OVERLAY (data->pipeline));
+ }
+ return;
+ } else {
+ GST_DEBUG ("Released previous native window %p", data->native_window);
+ data->initialized = FALSE;
+ }
+ }
+ data->native_window = new_native_window;
- ANativeWindow_release (data->native_window);
- data->native_window = NULL;
- data->initialized = FALSE;
+ check_initialization_complete(data);
+}
+
+static void gst_native_surface_finalize(JNIEnv *env, jobject thiz) {
+ CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
+ if (!data)
+ return;
+ GST_DEBUG ("Releasing Native Window %p", data->native_window);
+
+ if (data->pipeline) {
+ gst_video_overlay_set_window_handle(GST_VIDEO_OVERLAY (data->pipeline),
+ (guintptr) NULL);
+ gst_element_set_state(data->pipeline, GST_STATE_READY);
+ }
+
+ ANativeWindow_release(data->native_window);
+ data->native_window = NULL;
+ data->initialized = FALSE;
}
/* List of implemented native methods */
static JNINativeMethod native_methods[] = {
- {"nativeInit", "()V", (void *) gst_native_init},
- {"nativeFinalize", "()V", (void *) gst_native_finalize},
- {"nativeSetUri", "(Ljava/lang/String;)V", (void *) gst_native_set_uri},
- {"nativePlay", "()V", (void *) gst_native_play},
- {"nativePause", "()V", (void *) gst_native_pause},
- {"nativeSetPosition", "(I)V", (void *) gst_native_set_position},
- {"nativeSurfaceInit", "(Ljava/lang/Object;)V",
- (void *) gst_native_surface_init},
- {"nativeSurfaceFinalize", "()V", (void *) gst_native_surface_finalize},
- {"nativeClassInit", "()Z", (void *) gst_native_class_init}
+ {"nativeInit", "()V", (void *) gst_native_init},
+ {"nativeFinalize", "()V", (void *) gst_native_finalize},
+ {"nativeSetUri", "(Ljava/lang/String;)V", (void *) gst_native_set_uri},
+ {"nativePlay", "()V", (void *) gst_native_play},
+ {"nativePause", "()V", (void *) gst_native_pause},
+ {"nativeSurfaceInit", "(Ljava/lang/Object;)V",
+ (void *) gst_native_surface_init},
+ {"nativeSurfaceFinalize", "()V", (void *) gst_native_surface_finalize},
+ {"nativeClassInit", "()Z", (void *) gst_native_class_init}
};
/* Library initializer */
-jint JNI_OnLoad (JavaVM * vm, void *reserved) {
- JNIEnv *env = NULL;
+jint JNI_OnLoad(JavaVM *vm, void *reserved) {
+ JNIEnv *env = NULL;
- java_vm = vm;
+ java_vm = vm;
- if ((*vm)->GetEnv (vm, (void **) &env, JNI_VERSION_1_4) != JNI_OK) {
- __android_log_print (ANDROID_LOG_ERROR, "player",
- "Could not retrieve JNIEnv");
- return 0;
- }
- jclass klass = (*env)->FindClass (env,
- "com/hisharp/gstreamer_player/GstLibrary");
- (*env)->RegisterNatives (env, klass, native_methods,
- G_N_ELEMENTS (native_methods));
+ if ((*vm)->GetEnv(vm, (void **) &env, JNI_VERSION_1_4) != JNI_OK) {
+ __android_log_print(ANDROID_LOG_ERROR, "player",
+ "Could not retrieve JNIEnv");
+ return 0;
+ }
+ jclass klass = (*env)->FindClass(env, "com/hisharp/gstreamer_player/GstLibrary");
+ (*env)->RegisterNatives(env, klass, native_methods,
+ G_N_ELEMENTS (native_methods));
- pthread_key_create (¤t_jni_env, detach_current_thread);
+ pthread_key_create(¤t_jni_env, detach_current_thread);
- return JNI_VERSION_1_4;
+ return JNI_VERSION_1_4;
}