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C lib加上tag區分

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This commit is contained in:
Raymond Yang
2023-02-09 16:16:49 +08:00
parent 363bfdbfbd
commit 0dca3ce9e8
6 changed files with 91 additions and 60 deletions
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gstreamer_player/jni/gst_player.c
+39 -19
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@@ -35,6 +35,7 @@ typedef struct _CustomData {
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 */
gchar * tag;
} CustomData;
/* playbin2 flags */
@@ -94,7 +95,7 @@ static JNIEnv *get_jni_env(void) {
/* 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);
//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)) {
@@ -125,8 +126,9 @@ static void error_cb(GstBus *bus, GstMessage *msg, CustomData *data) {
/* 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);
GstStateChangeReturn status = gst_element_set_state(data->pipeline,GST_STATE_PAUSED);
data->is_live |= (status == GST_STATE_CHANGE_NO_PREROLL);
GST_DEBUG ("eos_cb, %s", data->is_live ? "true" : "false");
}
/* Called when buffering messages are received. We inform the UI about the current buffering level and
@@ -321,16 +323,16 @@ 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...");
GST_DEBUG ("[%s]Quitting main loop...", data->tag);
g_main_loop_quit(data->main_loop);
GST_DEBUG ("Waiting for thread to finish...");
GST_DEBUG ("[%s]Waiting for thread to finish...", data->tag);
pthread_join(gst_app_thread, NULL);
GST_DEBUG ("Deleting GlobalRef for app object at %p", data->app);
GST_DEBUG ("[%s]Deleting GlobalRef for app object at %p", data->tag, data->app);
(*env)->DeleteGlobalRef(env, data->app);
GST_DEBUG ("Freeing CustomData at %p", data);
GST_DEBUG ("[%s]Freeing CustomData at %p", data->tag, data);
g_free(data);
SET_CUSTOM_DATA (env, thiz, custom_data_field_id, NULL);
GST_DEBUG ("Done finalizing");
GST_DEBUG ("[%s]Done finalizing", data->tag);
}
/* Set playbin2's URI */
@@ -345,7 +347,21 @@ void gst_native_set_uri(JNIEnv *env, jobject thiz, jstring uri) {
g_object_set(data->pipeline, "uri", char_uri, NULL);
(*env)->ReleaseStringUTFChars(env, uri, char_uri);
g_object_set(data->pipeline, "latency", 250, NULL);
data->is_live = (gst_element_set_state(data->pipeline, data->target_state) == GST_STATE_CHANGE_NO_PREROLL);
GstStateChangeReturn status = gst_element_set_state(data->pipeline, data->target_state);
data->is_live = (status == GST_STATE_CHANGE_NO_PREROLL);
GST_DEBUG ("[%s]gst_native_set_uri, %s", data->tag, data->is_live ? "true" : "false");
}
/* Set name */
void gst_native_set_tag(JNIEnv *env, jobject thiz, jstring tag) {
CustomData *data = GET_CUSTOM_DATA (env, thiz, custom_data_field_id);
if (!data || !data->pipeline)
return;
const gchar *char_tag = (*env)->GetStringUTFChars(env, tag, NULL);
GST_DEBUG ("Setting TAG to %s", char_tag);
data->tag = g_strdup (char_tag);
(*env)->ReleaseStringUTFChars(env, tag, char_tag);
}
/* Set pipeline to PLAYING state */
@@ -353,9 +369,12 @@ 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->is_live = (gst_element_set_state(data->pipeline, GST_STATE_PLAYING) == GST_STATE_CHANGE_NO_PREROLL);
//GST_DEBUG ("Setting state to PLAYING");
GstStateChangeReturn status = gst_element_set_state(data->pipeline, GST_STATE_PLAYING);
data->is_live = (status == GST_STATE_CHANGE_ASYNC);
data->target_state = GST_STATE_PLAYING;
GST_DEBUG ("[%s]Setting state to PLAYING, %s", data->tag, data->is_live ? "true" : "false");
}
/* Set pipeline to PAUSED state */
@@ -363,9 +382,11 @@ 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->is_live = (gst_element_set_state(data->pipeline, GST_STATE_PAUSED) == GST_STATE_CHANGE_NO_PREROLL);
//GST_DEBUG ("Setting state to PAUSED");
GstStateChangeReturn status = gst_element_set_state(data->pipeline, GST_STATE_PAUSED);
data->is_live = (status == GST_STATE_CHANGE_ASYNC);
data->target_state = GST_STATE_PAUSED;
GST_DEBUG ("[%s]Setting state to PAUSED, %s", data->tag, data->is_live ? "true" : "false");
}
/* Static class initializer: retrieve method and field IDs */
@@ -392,20 +413,18 @@ static void gst_native_surface_init(JNIEnv *env, jobject thiz, jobject surface)
if (!data)
return;
ANativeWindow *new_native_window = ANativeWindow_fromSurface(env, surface);
GST_DEBUG ("Received surface %p (native window %p)", surface,
new_native_window);
GST_DEBUG ("[%s]Received surface %p (native window %p)", data->tag, 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);
GST_DEBUG ("[%s]New native window is the same as the previous one %p", data->tag, data->native_window);
if (data->pipeline) {
gst_video_overlay_expose(GST_VIDEO_OVERLAY (data->pipeline));
}
return;
} else {
GST_DEBUG ("Released previous native window %p", data->native_window);
GST_DEBUG ("[%s]Released previous native window %p", data->tag, data->native_window);
data->initialized = FALSE;
}
}
@@ -418,7 +437,7 @@ 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);
GST_DEBUG ("[%s]Releasing Native Window %p", data->tag, data->native_window);
if (data->pipeline) {
gst_video_overlay_set_window_handle(GST_VIDEO_OVERLAY (data->pipeline),
@@ -436,6 +455,7 @@ 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},
{"nativeSetTag", "(Ljava/lang/String;)V", (void *) gst_native_set_tag},
{"nativePlay", "()V", (void *) gst_native_play},
{"nativePause", "()V", (void *) gst_native_pause},
{"nativeSurfaceInit", "(Ljava/lang/Object;)V",