/* must be called with the bus OBJECT LOCK */
static guint
gst_bus_add_watch_full_unlocked (GstBus * bus, gint priority,
GstBusFunc func, gpointer user_data, GDestroyNotify notify)
{
guint id;
GSource *source;
if (bus->priv->watch_id) {
GST_ERROR_OBJECT (bus,
"Tried to add new watch while one was already there");
return 0;
}
source = gst_bus_create_watch (bus);
if (priority != G_PRIORITY_DEFAULT)
g_source_set_priority (source, priority);
g_source_set_callback (source, (GSourceFunc) func, user_data, notify);
id = g_source_attach (source, NULL);
g_source_unref (source);
if (id) {
bus->priv->watch_id = source;
}
GST_DEBUG_OBJECT (bus, "New source %p with id %u", source, id);
return id;
}
/**
* gst_discoverer_start:
* @discoverer: A #GstDiscoverer
*
* Allow asynchronous discovering of URIs to take place.
* A #GMainLoop must be available for #GstDiscoverer to properly work in
* asynchronous mode.
*
* Since: 0.10.31
*/
void
gst_discoverer_start (GstDiscoverer * discoverer)
{
GSource *source;
GMainContext *ctx = NULL;
GST_DEBUG_OBJECT (discoverer, "Starting...");
if (discoverer->priv->async) {
GST_DEBUG_OBJECT (discoverer, "We were already started");
return;
}
discoverer->priv->async = TRUE;
discoverer->priv->running = TRUE;
ctx = g_main_context_get_thread_default ();
/* Connect to bus signals */
if (ctx == NULL)
ctx = g_main_context_default ();
source = gst_bus_create_watch (discoverer->priv->bus);
g_source_set_callback (source, (GSourceFunc) gst_bus_async_signal_func,
NULL, NULL);
discoverer->priv->sourceid = g_source_attach (source, ctx);
g_source_unref (source);
discoverer->priv->ctx = g_main_context_ref (ctx);
start_discovering (discoverer);
GST_DEBUG_OBJECT (discoverer, "Started");
}
static void owr_media_renderer_init(OwrMediaRenderer *renderer)
{
OwrMediaRendererPrivate *priv;
GstBus *bus;
GSource *bus_source;
gchar *bin_name;
renderer->priv = priv = OWR_MEDIA_RENDERER_GET_PRIVATE(renderer);
priv->media_type = DEFAULT_MEDIA_TYPE;
priv->source = DEFAULT_SOURCE;
priv->disabled = DEFAULT_DISABLED;
bin_name = g_strdup_printf("media-renderer-%u", g_atomic_int_add(&unique_bin_id, 1));
priv->pipeline = gst_pipeline_new(bin_name);
g_free(bin_name);
#ifdef OWR_DEBUG
g_signal_connect(priv->pipeline, "deep-notify", G_CALLBACK(_owr_deep_notify), NULL);
#endif
priv->sink = NULL;
priv->src = NULL;
bus = gst_pipeline_get_bus(GST_PIPELINE(priv->pipeline));
bus_source = gst_bus_create_watch(bus);
g_source_set_callback(bus_source, (GSourceFunc) bus_call, priv->pipeline, NULL);
g_source_attach(bus_source, _owr_get_main_context());
g_source_unref(bus_source);
g_mutex_init(&priv->media_renderer_lock);
}
/* 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 *bus_source;
GError *error = NULL;
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);
/* Build pipeline */
data->pipeline = gst_parse_launch("videotestsrc ! warptv ! videoconvert ! autovideosink", &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;
}
/* Set the pipeline to READY, so it can already accept a window handle, if we have one */
gst_element_set_state(data->pipeline, GST_STATE_READY);
data->video_sink = gst_bin_get_by_interface(GST_BIN(data->pipeline), GST_TYPE_VIDEO_OVERLAY);
if (!data->video_sink) {
GST_ERROR ("Could not retrieve video sink");
return NULL;
}
/* 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::state-changed", (GCallback)state_changed_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);
gst_element_set_state (data->pipeline, GST_STATE_NULL);
gst_object_unref (data->video_sink);
gst_object_unref (data->pipeline);
return NULL;
}
void set_notifyfunction(CustomData *data)
{
GstBus *bus;
GSource *bus_source;
if (data->notify_time > 0)
{
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);
if (data->timeout_source)
{
g_source_destroy(data->timeout_source);
}
/* Register a function that GLib will call 4 times per second */
data->timeout_source = g_timeout_source_new(data->notify_time);
g_source_set_callback(data->timeout_source, (GSourceFunc) gst_notify_time_cb, data, NULL);
g_source_attach(data->timeout_source, data->context);
g_source_unref(data->timeout_source);
}
}
static gpointer gstreamer_loop(struct input_handle *ih) {
GstElement *fdsrc;
GError *error = NULL;
GstBus *bus;
ih->bin = gst_parse_launch("filesrc name=my_fdsrc ! "
"decodebin2 ! "
"audioconvert name=converter ! "
#if 1
"audio/x-raw-float,width=32,endianness=1234 ! "
"appsink name=sink sync=FALSE", &error);
#else
"audio/x-raw-float,width=32,endianness=1234 ! "
"ffenc_ac3 bitrate=128000 ! ffmux_ac3 ! filesink location=tmp.ac3", &error);
#endif
if (!ih->bin) {
fprintf(stderr, "Parse error: %s", error->message);
return NULL;
}
fdsrc = gst_bin_get_by_name(GST_BIN(ih->bin), "my_fdsrc");
g_object_set(G_OBJECT(fdsrc), "location", ih->filename, NULL);
ih->appsink = gst_bin_get_by_name(GST_BIN(ih->bin), "sink");
/* gst_app_sink_set_max_buffers(GST_APP_SINK(ih->appsink), 1); */
/* start playing */
ih->loop = g_main_loop_new(ih->main_context, FALSE);
bus = gst_element_get_bus(ih->bin);
ih->message_source = gst_bus_create_watch(bus);
g_source_set_callback(ih->message_source, (GSourceFunc) bus_call, ih, NULL);
g_source_attach(ih->message_source, ih->main_context);
g_source_unref(ih->message_source);
g_object_unref(bus);
/* start play back and listed to events */
gst_element_set_state(ih->bin, GST_STATE_PLAYING);
g_main_loop_run(ih->loop);
return NULL;
}
static void
construct_player (AurClient * client)
{
GstBus *bus;
guint flags;
GST_DEBUG ("Constructing playbin");
client->player = gst_element_factory_make ("playbin", NULL);
if (client->player == NULL) {
g_warning ("Failed to construct playbin");
return;
}
g_object_get (client->player, "flags", &flags, NULL);
/* Disable subtitles for now */
flags &= ~0x00000004;
g_object_set (client->player, "flags", flags, NULL);
bus = gst_element_get_bus (GST_ELEMENT (client->player));
#if 0
gst_bus_add_signal_watch (bus);
#else
{
GSource *bus_source;
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, client->context);
g_source_unref (bus_source);
}
#endif
g_signal_connect (bus, "message::error", (GCallback) (on_error_msg), client);
gst_object_unref (bus);
gst_element_set_state (client->player, GST_STATE_READY);
g_signal_emit (client, signals[SIGNAL_PLAYER_CREATED], 0, client->player);
}
/* must be called with the bus OBJECT LOCK */
static guint
gst_bus_add_watch_full_unlocked (GstBus * bus, gint priority,
GstBusFunc func, gpointer user_data, GDestroyNotify notify)
{
GMainContext *ctx;
guint id;
GSource *source;
if (bus->priv->signal_watch) {
GST_ERROR_OBJECT (bus,
"Tried to add new watch while one was already there");
return 0;
}
source = gst_bus_create_watch (bus);
if (!source) {
g_critical ("Creating bus watch failed");
return 0;
}
if (priority != G_PRIORITY_DEFAULT)
g_source_set_priority (source, priority);
g_source_set_callback (source, (GSourceFunc) func, user_data, notify);
ctx = g_main_context_get_thread_default ();
id = g_source_attach (source, ctx);
g_source_unref (source);
if (id) {
bus->priv->signal_watch = source;
}
GST_DEBUG_OBJECT (bus, "New source %p with id %u", source, id);
return id;
}
/* 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 *bus_source;
GError *error = NULL;
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);
/* Build pipeline */
//char caps[1000]="caps = \"application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)\\\"Z2QAHqyyAUB7YCIAAAMAAgAAAwBlHixckA\\\\=\\\\=\\\\,aOvBssiw\\\", payload=(int)96, ssrc=(uint)226114972, timestamp-offset=(uint)497630140, seqnum-offset=(uint)4095\"";
//data->pipeline = gst_parse_launch("udpsrc port=5010 caps = \"application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, sprop-parameter-sets=(string)\\\"Z2QAHqyyAUB7YCIAAAMAAgAAAwB5HixckA\\\\=\\\\=\\\\,aOvBssiw\\\", payload=(int)96, ssrc=(uint)1750089033, timestamp-offset=(uint)1121294972, seqnum-offset=(uint)31049\" ! rtph264depay ! avdec_h264 ! autovideosink sync=false", &error);
data->pipeline = gst_parse_launch(pipeline_path, &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;
}
/* Set the pipeline to READY, so it can already accept a window handle, if we have one */
gst_element_set_state(data->pipeline, GST_STATE_READY);
data->video_sink = gst_bin_get_by_interface(GST_BIN(data->pipeline), GST_TYPE_VIDEO_OVERLAY);
if (!data->video_sink) {
GST_ERROR ("Could not retrieve video sink");
return NULL;
}
/* 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::state-changed", (GCallback)state_changed_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);
gst_element_set_state (data->pipeline, GST_STATE_NULL);
gst_object_unref (data->video_sink);
gst_object_unref (data->pipeline);
return NULL;
}
/* Main method for the native code. This is executed on its own thread. */
static void *app_function(void *userdata) {
//test
int fd;
int ret;
void * pbuf = malloc(sizeof(unsigned char) * 1024);
memset(pbuf, 0xef, sizeof(unsigned char) * 1024);
fd = open("/storage/sdcard0/fifo9000", O_WRONLY);
if (-1 == fd) {
g_print("/storage/sdcard0/fifo9000 open error/n");
return;
}
while (TRUE) {
/*
if (0 != pthread_mutex_lock(&mutex))
{
g_print("pthread_mutex_lock fail!");
}
else
{
g_print("pthread_mutex_lock succ!");
}
sleep(60);
g_print("thread finish sleeping 10s");
// Unlock mutex
if (0 != pthread_mutex_unlock(&mutex))
{
g_print("pthread_mutex_unlock fail!");
}
else
{
g_print("pthread_mutex_lock succ!");
}
sleep(10);
g_print("after unlocking, thread finish sleeping 10s");
*/
write(fd, pbuf, sizeof(unsigned char) * 1024);
sleep(10);
}
return;
//
JavaVMAttachArgs args;
GstBus *bus;
CustomData *data = (CustomData *) userdata;
data->b = 1; /* For waveform generation */
data->d = 1;
GSource *bus_source;
GError *error = NULL;
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);
/* Build pipeline */
// data->pipeline = gst_parse_launch("audiotestsrc ! audioconvert ! audioresample ! autoaudiosink", &error);
// data->pipeline = gst_parse_launch("filesrc location=/storage/sdcard0/x.mp3 ! mad ! audioconvert ! audioresample ! autoaudiosink", &error);
// data->pipeline = gst_parse_launch("playbin2 uri=file:///storage/sdcard0/x.mp3", NULL);
data->pipeline = gst_parse_launch("playbin2 uri=appsrc://", &error);
// data->pipeline = gst_parse_launch("appsrc name=mysource ! audio/mpeg ! mad ! audioconvert ! audioresample ! autoaudiosink", &error);
// data->pipeline = gst_parse_launch("filesrc location=/storage/sdcard0/x.mp3 ! mpegaudioparse ! mad ! audioconvert ! audioresample ! autoaudiosink", &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;
}
g_signal_connect(data->pipeline, "source-setup", G_CALLBACK(source_setup),
data);
/* get the appsrc */
/*
data->app_source = gst_bin_get_by_name (GST_BIN(data->pipeline), "mysource");
g_assert(data->app_source);
// g_assert(GST_IS_APP_SRC(data->app_source));
g_signal_connect (data->app_source, "need-data", G_CALLBACK (start_feed), data);
g_signal_connect (data->app_source, "enough-data", G_CALLBACK (stop_feed), data);
*/
/* 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::state-changed",
(GCallback) state_changed_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);
/* Start playing the pipeline */
//gst_element_set_state (data->pipeline, GST_STATE_PLAYING);
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);
gst_element_set_state(data->pipeline, GST_STATE_NULL);
gst_object_unref(data->pipeline);
return NULL;
}
/*
* owr_local_media_source_get_pad
*
* The beginning of a media source chain in the pipeline looks like this:
* +------------+
* /---+ inter*sink |
* +--------+ +--------+ +------------+ +-----+ / +------------+
* | source +----+ scale? +---+ capsfilter +---+ tee +---/
* +--------+ +--------+ +------------+ +-----+ \
* \ +------------+
* \---+ inter*sink |
* +------------+
*
* For each newly requested pad a new inter*sink is added to the tee.
* Note that this is a completely independent pipeline, and the complete
* pipeline is only created once for a specific media source.
*
* Then for each newly requested pad another bin with a inter*src is
* created, which is then going to be part of the transport agent
* pipeline. The ghostpad of it is what we return here.
*
* +-----------+ +-------------------------------+ +----------+
* | inter*src +---+ converters/queues/capsfilters +---+ ghostpad |
* +-----------+ +-------------------------------+ +----------+
*
*/
static GstElement *owr_local_media_source_request_source(OwrMediaSource *media_source, GstCaps *caps)
{
OwrLocalMediaSource *local_source;
OwrLocalMediaSourcePrivate *priv;
GstElement *source_element = NULL;
GstElement *source_pipeline;
GHashTable *event_data;
GValue *value;
#if defined(__linux__) && !defined(__ANDROID__)
gchar *tmp;
#endif
g_assert(media_source);
local_source = OWR_LOCAL_MEDIA_SOURCE(media_source);
priv = local_source->priv;
/* only create the source bin for this media source once */
if ((source_pipeline = _owr_media_source_get_source_bin(media_source)))
GST_DEBUG_OBJECT(media_source, "Re-using existing source element/bin");
else {
OwrMediaType media_type = OWR_MEDIA_TYPE_UNKNOWN;
OwrSourceType source_type = OWR_SOURCE_TYPE_UNKNOWN;
GstElement *source, *source_process = NULL, *capsfilter = NULL, *tee;
GstPad *sinkpad, *source_pad;
GEnumClass *media_enum_class, *source_enum_class;
GEnumValue *media_enum_value, *source_enum_value;
gchar *bin_name;
GstCaps *source_caps;
GstBus *bus;
GSource *bus_source;
event_data = _owr_value_table_new();
value = _owr_value_table_add(event_data, "start_time", G_TYPE_INT64);
g_value_set_int64(value, g_get_monotonic_time());
g_object_get(media_source, "media-type", &media_type, "type", &source_type, NULL);
media_enum_class = G_ENUM_CLASS(g_type_class_ref(OWR_TYPE_MEDIA_TYPE));
source_enum_class = G_ENUM_CLASS(g_type_class_ref(OWR_TYPE_SOURCE_TYPE));
media_enum_value = g_enum_get_value(media_enum_class, media_type);
source_enum_value = g_enum_get_value(source_enum_class, source_type);
bin_name = g_strdup_printf("local-%s-%s-source-bin-%u",
media_enum_value ? media_enum_value->value_nick : "unknown",
source_enum_value ? source_enum_value->value_nick : "unknown",
g_atomic_int_add(&unique_bin_id, 1));
g_type_class_unref(media_enum_class);
g_type_class_unref(source_enum_class);
source_pipeline = gst_pipeline_new(bin_name);
gst_pipeline_use_clock(GST_PIPELINE(source_pipeline), gst_system_clock_obtain());
gst_element_set_base_time(source_pipeline, _owr_get_base_time());
gst_element_set_start_time(source_pipeline, GST_CLOCK_TIME_NONE);
g_free(bin_name);
bin_name = NULL;
#ifdef OWR_DEBUG
g_signal_connect(source_pipeline, "deep-notify", G_CALLBACK(_owr_deep_notify), NULL);
#endif
bus = gst_pipeline_get_bus(GST_PIPELINE(source_pipeline));
bus_source = gst_bus_create_watch(bus);
g_source_set_callback(bus_source, (GSourceFunc) bus_call, media_source, NULL);
g_source_attach(bus_source, _owr_get_main_context());
g_source_unref(bus_source);
GST_DEBUG_OBJECT(local_source, "media_type: %d, type: %d", media_type, source_type);
if (media_type == OWR_MEDIA_TYPE_UNKNOWN || source_type == OWR_SOURCE_TYPE_UNKNOWN) {
GST_ERROR_OBJECT(local_source,
"Cannot connect source with unknown type or media type to other component");
goto done;
}
switch (media_type) {
case OWR_MEDIA_TYPE_AUDIO:
{
switch (source_type) {
case OWR_SOURCE_TYPE_CAPTURE:
CREATE_ELEMENT(source, AUDIO_SRC, "audio-source");
#if !defined(__APPLE__) || !TARGET_IPHONE_SIMULATOR
/*
Default values for buffer-time and latency-time on android are 200ms and 20ms.
The minimum latency-time that can be used on Android is 20ms, and using
a 40ms buffer-time with a 20ms latency-time causes crackling audio.
So let's just stick with the defaults.
*/
#if !defined(__ANDROID__)
g_object_set(source, "buffer-time", G_GINT64_CONSTANT(40000),
"latency-time", G_GINT64_CONSTANT(10000), NULL);
#endif
if (priv->device_index > -1) {
#ifdef __APPLE__
g_object_set(source, "device", priv->device_index, NULL);
#elif defined(__linux__) && !defined(__ANDROID__)
tmp = g_strdup_printf("%d", priv->device_index);
g_object_set(source, "device", tmp, NULL);
g_free(tmp);
#endif
}
#endif
break;
case OWR_SOURCE_TYPE_TEST:
CREATE_ELEMENT(source, "audiotestsrc", "audio-source");
g_object_set(source, "is-live", TRUE, NULL);
break;
case OWR_SOURCE_TYPE_UNKNOWN:
default:
g_assert_not_reached();
goto done;
}
break;
}
case OWR_MEDIA_TYPE_VIDEO:
{
GstPad *srcpad;
GstCaps *device_caps;
switch (source_type) {
case OWR_SOURCE_TYPE_CAPTURE:
CREATE_ELEMENT(source, VIDEO_SRC, "video-source");
if (priv->device_index > -1) {
#if defined(__APPLE__) && !TARGET_IPHONE_SIMULATOR
g_object_set(source, "device-index", priv->device_index, NULL);
#elif defined(__ANDROID__)
g_object_set(source, "cam-index", priv->device_index, NULL);
#elif defined(__linux__)
tmp = g_strdup_printf("/dev/video%d", priv->device_index);
g_object_set(source, "device", tmp, NULL);
g_free(tmp);
#endif
}
break;
case OWR_SOURCE_TYPE_TEST: {
GstElement *src, *time;
GstPad *srcpad;
source = gst_bin_new("video-source");
CREATE_ELEMENT(src, "videotestsrc", "videotestsrc");
g_object_set(src, "is-live", TRUE, NULL);
gst_bin_add(GST_BIN(source), src);
time = gst_element_factory_make("timeoverlay", "timeoverlay");
if (time) {
g_object_set(time, "font-desc", "Sans 60", NULL);
gst_bin_add(GST_BIN(source), time);
gst_element_link(src, time);
srcpad = gst_element_get_static_pad(time, "src");
} else
srcpad = gst_element_get_static_pad(src, "src");
gst_element_add_pad(source, gst_ghost_pad_new("src", srcpad));
gst_object_unref(srcpad);
break;
}
case OWR_SOURCE_TYPE_UNKNOWN:
default:
g_assert_not_reached();
goto done;
}
/* First try to see if we can just get the format we want directly */
source_caps = gst_caps_new_empty();
#if GST_CHECK_VERSION(1, 5, 0)
gst_caps_foreach(caps, fix_video_caps_framerate, source_caps);
#else
_owr_gst_caps_foreach(caps, fix_video_caps_framerate, source_caps);
#endif
/* Now see what the device can really produce */
srcpad = gst_element_get_static_pad(source, "src");
gst_element_set_state(source, GST_STATE_READY);
device_caps = gst_pad_query_caps(srcpad, source_caps);
if (gst_caps_is_empty(device_caps)) {
/* Let's see if it works when we drop format constraints (which can be dealt with downsteram) */
GstCaps *tmp = source_caps;
source_caps = gst_caps_new_empty();
#if GST_CHECK_VERSION(1, 5, 0)
gst_caps_foreach(tmp, fix_video_caps_format, source_caps);
#else
_owr_gst_caps_foreach(tmp, fix_video_caps_format, source_caps);
#endif
gst_caps_unref(tmp);
gst_caps_unref(device_caps);
device_caps = gst_pad_query_caps(srcpad, source_caps);
if (gst_caps_is_empty(device_caps)) {
/* Accepting any format didn't work, we're going to hope that scaling fixes it */
CREATE_ELEMENT(source_process, "videoscale", "video-source-scale");
gst_bin_add(GST_BIN(source_pipeline), source_process);
}
}
gst_caps_unref(device_caps);
gst_object_unref(srcpad);
#if defined(__APPLE__) && TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
/* Force NV12 on iOS else the source can negotiate BGRA
* ercolorspace can do NV12 -> BGRA and NV12 -> I420 which is what
* is needed for Bowser */
gst_caps_set_simple(source_caps, "format", G_TYPE_STRING, "NV12", NULL);
#endif
CREATE_ELEMENT(capsfilter, "capsfilter", "video-source-capsfilter");
g_object_set(capsfilter, "caps", source_caps, NULL);
gst_caps_unref(source_caps);
gst_bin_add(GST_BIN(source_pipeline), capsfilter);
break;
}
case OWR_MEDIA_TYPE_UNKNOWN:
default:
g_assert_not_reached();
goto done;
}
g_assert(source);
source_pad = gst_element_get_static_pad(source, "src");
g_signal_connect(source_pad, "notify::caps", G_CALLBACK(on_caps), media_source);
gst_object_unref(source_pad);
CREATE_ELEMENT(tee, "tee", "source-tee");
g_object_set(tee, "allow-not-linked", TRUE, NULL);
gst_bin_add_many(GST_BIN(source_pipeline), source, tee, NULL);
/* Many sources don't like reconfiguration and it's pointless
* here anyway right now. No need to reconfigure whenever something
* is added to the tee or removed.
* We will have to implement reconfiguration differently later by
* selecting the best caps based on all consumers.
*/
sinkpad = gst_element_get_static_pad(tee, "sink");
gst_pad_add_probe(sinkpad, GST_PAD_PROBE_TYPE_EVENT_UPSTREAM, drop_reconfigure_event, NULL, NULL);
gst_object_unref(sinkpad);
if (!source)
GST_ERROR_OBJECT(media_source, "Failed to create source element!");
if (capsfilter) {
LINK_ELEMENTS(capsfilter, tee);
if (source_process) {
LINK_ELEMENTS(source_process, capsfilter);
LINK_ELEMENTS(source, source_process);
} else
LINK_ELEMENTS(source, capsfilter);
} else if (source_process) {
LINK_ELEMENTS(source_process, tee);
LINK_ELEMENTS(source, source_process);
} else
LINK_ELEMENTS(source, tee);
gst_element_sync_state_with_parent(tee);
if (capsfilter)
gst_element_sync_state_with_parent(capsfilter);
if (source_process)
gst_element_sync_state_with_parent(source_process);
gst_element_sync_state_with_parent(source);
_owr_media_source_set_source_bin(media_source, source_pipeline);
_owr_media_source_set_source_tee(media_source, tee);
if (gst_element_set_state(source_pipeline, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
GST_ERROR("Failed to set local source pipeline %s to playing", GST_OBJECT_NAME(source_pipeline));
/* FIXME: We should handle this and don't expose the source */
}
value = _owr_value_table_add(event_data, "end_time", G_TYPE_INT64);
g_value_set_int64(value, g_get_monotonic_time());
OWR_POST_EVENT(media_source, LOCAL_SOURCE_STARTED, event_data);
g_signal_connect(tee, "pad-removed", G_CALLBACK(tee_pad_removed_cb), media_source);
}
gst_object_unref(source_pipeline);
source_element = OWR_MEDIA_SOURCE_CLASS(owr_local_media_source_parent_class)->request_source(media_source, caps);
done:
return source_element;
}
/**
* gst_video_convert_frame_async:
* @buf: a #GstBuffer
* @to_caps: the #GstCaps to convert to
* @timeout: the maximum amount of time allowed for the processing.
* @callback: %GstVideoConvertFrameCallback that will be called after conversion.
* @destroy_notify: %GDestroyNotify to be called after @user_data is not needed anymore
*
* Converts a raw video buffer into the specified output caps.
*
* The output caps can be any raw video formats or any image formats (jpeg, png, ...).
*
* The width, height and pixel-aspect-ratio can also be specified in the output caps.
*
* @callback will be called after conversion, when an error occured or if conversion didn't
* finish after @timeout. @callback will always be called from the thread default
* %GMainContext, see g_main_context_get_thread_default(). If GLib before 2.22 is used,
* this will always be the global default main context.
*
* @destroy_notify will be called after the callback was called and @user_data is not needed
* anymore.
*
* Since: 0.10.31
*
*/
void
gst_video_convert_frame_async (GstBuffer * buf, const GstCaps * to_caps,
GstClockTime timeout, GstVideoConvertFrameCallback callback,
gpointer user_data, GDestroyNotify destroy_notify)
{
GMainContext *context = NULL;
GError *error = NULL;
GstBus *bus;
GstCaps *from_caps, *to_caps_copy = NULL;
GstElement *pipeline, *src, *sink;
guint i, n;
GSource *source;
GstVideoConvertFrameContext *ctx;
g_return_if_fail (buf != NULL);
g_return_if_fail (to_caps != NULL);
g_return_if_fail (GST_BUFFER_CAPS (buf) != NULL);
g_return_if_fail (callback != NULL);
#if GLIB_CHECK_VERSION(2,22,0)
context = g_main_context_get_thread_default ();
#endif
if (!context)
context = g_main_context_default ();
from_caps = GST_BUFFER_CAPS (buf);
to_caps_copy = gst_caps_new_empty ();
n = gst_caps_get_size (to_caps);
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (to_caps, i);
s = gst_structure_copy (s);
gst_structure_remove_field (s, "framerate");
gst_caps_append_structure (to_caps_copy, s);
}
pipeline =
build_convert_frame_pipeline (&src, &sink, from_caps, to_caps_copy,
&error);
if (!pipeline)
goto no_pipeline;
bus = gst_element_get_bus (pipeline);
ctx = g_slice_new0 (GstVideoConvertFrameContext);
ctx->mutex = g_mutex_new ();
ctx->buffer = gst_buffer_ref (buf);
ctx->callback = callback;
ctx->user_data = user_data;
ctx->destroy_notify = destroy_notify;
ctx->context = g_main_context_ref (context);
ctx->finished = FALSE;
ctx->pipeline = pipeline;
if (timeout != GST_CLOCK_TIME_NONE) {
source = g_timeout_source_new (timeout / GST_MSECOND);
g_source_set_callback (source,
(GSourceFunc) convert_frame_timeout_callback, ctx, NULL);
ctx->timeout_id = g_source_attach (source, context);
g_source_unref (source);
}
g_signal_connect (src, "need-data",
G_CALLBACK (convert_frame_need_data_callback), ctx);
g_signal_connect (sink, "new-preroll",
G_CALLBACK (convert_frame_new_buffer_callback), ctx);
source = gst_bus_create_watch (bus);
g_source_set_callback (source, (GSourceFunc) convert_frame_bus_callback,
ctx, NULL);
g_source_attach (source, context);
g_source_unref (source);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gst_object_unref (bus);
gst_caps_unref (to_caps_copy);
return;
/* ERRORS */
no_pipeline:
{
GstVideoConvertFrameCallbackContext *ctx;
GSource *source;
gst_caps_unref (to_caps_copy);
ctx = g_slice_new0 (GstVideoConvertFrameCallbackContext);
ctx->callback = callback;
ctx->user_data = user_data;
ctx->destroy_notify = destroy_notify;
ctx->buffer = NULL;
ctx->error = error;
source = g_timeout_source_new (0);
g_source_set_callback (source,
(GSourceFunc) convert_frame_dispatch_callback, ctx,
(GDestroyNotify) gst_video_convert_frame_callback_context_free);
g_source_attach (source, context);
g_source_unref (source);
}
}
/* 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;
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);
/* Build pipeline */
data->pipeline = gst_parse_launch("playbin2", &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;
}
