void
gbp_player_pause (GbpPlayer *player)
{
g_return_if_fail (player != NULL);
if (player->priv->have_pipeline == FALSE) {
if (!build_pipeline (player))
/* player::error has been emitted, return */
return;
}
if (player->priv->uri_changed) {
gbp_player_stop (player);
g_object_set (player->priv->pipeline, "uri", player->priv->uri, NULL);
player->priv->uri_changed = FALSE;
}
if (player->priv->reset_state) {
gbp_player_stop (player);
player->priv->reset_state = FALSE;
}
gst_element_set_state (GST_ELEMENT (player->priv->pipeline),
GST_STATE_PAUSED);
}
/* Main method for the native code. This is executed on its own thread. */
void *
app_function(void *userdata)
{
CustomData *data = (CustomData *) userdata;
GPlayerDEBUG("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);
data->pipeline = gst_pipeline_new("test-pipeline");
build_pipeline(data);
/* Create a GLib Main Loop and set it to run */
GPlayerDEBUG("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);
GPlayerDEBUG("Exited main loop");
/* 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);
kill_object(data->pipeline);
return NULL;
}
Module GeneratorBase::build_module(const std::string &function_name,
const LoweredFunc::LinkageType linkage_type) {
build_params();
Pipeline pipeline = build_pipeline();
// Building the pipeline may mutate the params and imageparams.
rebuild_params();
return pipeline.compile_to_module(get_filter_arguments(), function_name, target, linkage_type);
}
std::vector<Argument> GeneratorBase::get_filter_output_types() {
std::vector<Argument> output_types;
Pipeline pipeline = build_pipeline();
std::vector<Func> pipeline_results = pipeline.outputs();
for (Func func : pipeline_results) {
for (Halide::Type t : func.output_types()) {
std::string name = "result_" + std::to_string(output_types.size());
output_types.push_back(Halide::Argument(name, Halide::Argument::OutputBuffer, t, func.dimensions()));
}
}
return output_types;
}
void GeneratorBase::emit_filter(const std::string &output_dir,
const std::string &function_name,
const std::string &file_base_name,
const EmitOptions &options) {
build_params();
Pipeline pipeline = build_pipeline();
std::vector<Halide::Argument> inputs = get_filter_arguments();
std::string base_path = output_dir + "/" + (file_base_name.empty() ? function_name : file_base_name);
if (options.emit_o || options.emit_assembly || options.emit_bitcode) {
Outputs output_files;
if (options.emit_o) {
// If the target arch is pnacl, then the output "object" file is
// actually a pnacl bitcode file.
if (Target(target).arch == Target::PNaCl) {
output_files.object_name = base_path + ".bc";
} else if (Target(target).os == Target::Windows &&
!Target(target).has_feature(Target::MinGW)) {
// If it's windows, then we're emitting a COFF file
output_files.object_name = base_path + ".obj";
} else {
// Otherwise it is an ELF or Mach-o
output_files.object_name = base_path + ".o";
}
}
if (options.emit_assembly) {
output_files.assembly_name = base_path + ".s";
}
if (options.emit_bitcode) {
// In this case, bitcode refers to the LLVM IR generated by Halide
// and passed to LLVM, for both the pnacl and ordinary archs
output_files.bitcode_name = base_path + ".bc";
}
pipeline.compile_to(output_files, inputs, function_name, target);
}
if (options.emit_h) {
pipeline.compile_to_header(base_path + ".h", inputs, function_name, target);
}
if (options.emit_cpp) {
pipeline.compile_to_c(base_path + ".cpp", inputs, function_name, target);
}
if (options.emit_stmt) {
pipeline.compile_to_lowered_stmt(base_path + ".stmt", inputs, Halide::Text, target);
}
if (options.emit_stmt_html) {
pipeline.compile_to_lowered_stmt(base_path + ".html", inputs, Halide::HTML, target);
}
}
Func GeneratorBase::call_extern(std::initializer_list<ExternFuncArgument> function_arguments,
std::string function_name){
Pipeline p = build_pipeline();
user_assert(p.outputs().size() == 1) \
<< "Can only call_extern Pipelines with a single output Func\n";
Func f = p.outputs()[0];
Func f_extern;
if (function_name.empty()) {
function_name = generator_name();
user_assert(!function_name.empty())
<< "call_extern: generator_name is empty\n";
}
f_extern.define_extern(function_name, function_arguments, f.output_types(), f.dimensions());
return f_extern;
}
void
nsc_gstreamer_convert_file (NscGStreamer *gstreamer,
GFile *src,
GFile *sink,
GError **error)
{
GstStateChangeReturn state_ret;
NscGStreamerPrivate *priv;
gint64 nanos;
static GstFormat format = GST_FORMAT_TIME;
g_return_if_fail (NSC_IS_GSTREAMER (gstreamer));
g_return_if_fail (src != NULL);
g_return_if_fail (sink != NULL);
priv = NSC_GSTREAMER_GET_PRIVATE (gstreamer);
/* See if we need to rebuild the pipeline */
if (priv->rebuild_pipeline != FALSE) {
build_pipeline (gstreamer);
if (priv->construct_error != NULL) {
g_propagate_error (error, priv->construct_error);
priv->construct_error = NULL;
return;
}
}
/* Set the input file */
gst_element_set_state (priv->filesrc, GST_STATE_NULL);
g_object_set (G_OBJECT (priv->filesrc),
"file", src,
NULL);
/* Set the output filename */
gst_element_set_state (priv->filesink, GST_STATE_NULL);
g_object_set (G_OBJECT (priv->filesink),
"file", sink,
NULL);
/* Let's get ready to rumble! */
state_ret = gst_element_set_state (priv->pipeline,
GST_STATE_PLAYING);
if (state_ret == GST_STATE_CHANGE_ASYNC) {
/*
* Wait for the state change to either complete or fail,
* but not for too long just to catch immediate errors.
* The rest we'll handle asynchronously.
*/
state_ret = gst_element_get_state (priv->pipeline,
NULL,
NULL,
GST_SECOND / 2);
}
if (state_ret == GST_STATE_CHANGE_FAILURE) {
GstMessage *msg;
msg = gst_bus_poll (GST_ELEMENT_BUS (priv->pipeline),
GST_MESSAGE_ERROR,
0);
if (msg) {
gst_message_parse_error (msg, error, NULL);
gst_message_unref (msg);
} else if (error) {
*error = g_error_new (NSC_ERROR, NSC_ERROR_INTERNAL_ERROR,
"Error starting converting pipeline");
}
gst_element_set_state (priv->pipeline, GST_STATE_NULL);
priv->rebuild_pipeline = TRUE;
return;
}
/* Get file duration */
if (!gst_element_query_duration (priv->pipeline, &format, &nanos)) {
g_warning (_("Could not get current file duration"));
} else {
gint secs;
secs = nanos / GST_SECOND;
g_signal_emit (gstreamer, signals[DURATION], 0, secs);
}
priv->tick_id = g_timeout_add (250, (GSourceFunc)tick_timeout_cb,
gstreamer);
}
void
sj_extractor_extract_track (SjExtractor *extractor, const TrackDetails *track, GFile *file, GError **error)
{
GParamSpec *spec;
GstStateChangeReturn state_ret;
SjExtractorPrivate *priv;
GstIterator *iter;
GValue item = {0, };
GstTagSetter *tagger;
gboolean done;
char *uri;
g_return_if_fail (SJ_IS_EXTRACTOR (extractor));
g_return_if_fail (file != NULL);
g_return_if_fail (track != NULL);
priv = extractor->priv;
/* See if we need to rebuild the pipeline */
if (priv->rebuild_pipeline != FALSE) {
build_pipeline (extractor);
if (priv->construct_error != NULL) {
g_propagate_error (error, priv->construct_error);
priv->construct_error = NULL;
return;
}
}
/* Need to do this, as playback will have locked the read speed to 2x previously */
spec = g_object_class_find_property (G_OBJECT_GET_CLASS (priv->cdsrc), "read-speed");
if (spec && spec->value_type == G_TYPE_INT) {
g_object_set (G_OBJECT (priv->cdsrc), "read-speed", ((GParamSpecInt*)spec)->maximum, NULL);
}
/* Set the output filename */
gst_element_set_state (priv->filesink, GST_STATE_NULL);
uri = g_file_get_uri (file);
g_object_set (G_OBJECT (priv->filesink), "location", uri, NULL);
g_free (uri);
/* Set the metadata */
iter = gst_bin_iterate_all_by_interface (GST_BIN (priv->pipeline), GST_TYPE_TAG_SETTER);
done = FALSE;
while (!done) {
switch (gst_iterator_next (iter, &item)) {
case GST_ITERATOR_OK:
/* TODO: generate this as a taglist once, and apply it to all elements */
tagger = g_value_get_object (&item);
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_REPLACE_ALL,
GST_TAG_TITLE, track->title,
GST_TAG_ARTIST, track->artist,
GST_TAG_TRACK_NUMBER, track->number,
GST_TAG_TRACK_COUNT, track->album->number,
GST_TAG_ALBUM, track->album->title,
GST_TAG_DURATION, track->duration * GST_SECOND,
NULL);
if (track->composer != NULL && strcmp (track->composer, "") != 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_COMPOSER, track->composer,
NULL);
}
if (track->composer_sortname != NULL && strcmp (track->composer_sortname, "") != 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_COMPOSER_SORTNAME, track->composer_sortname,
NULL);
}
if (track->album->album_id != NULL && strcmp (track->album->album_id, "") != 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_MUSICBRAINZ_ALBUMID, track->album->album_id,
NULL);
}
if (track->album->artist_id != NULL && strcmp (track->album->artist_id, "") != 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_MUSICBRAINZ_ALBUMARTISTID, track->album->artist_id,
NULL);
}
if (track->album->artist != NULL && strcmp (track->album->artist, "") != 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_ALBUM_ARTIST, track->album->artist,
NULL);
}
if (track->album->artist_sortname != NULL && strcmp (track->album->artist_sortname, "") != 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_ALBUM_ARTIST_SORTNAME, track->album->artist_sortname,
NULL);
}
if (track->artist_id != NULL && strcmp (track->artist_id, "") != 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_MUSICBRAINZ_ARTISTID, track->artist_id,
NULL);
}
if (track->track_id != NULL && strcmp (track->track_id, "") != 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_MUSICBRAINZ_TRACKID, track->track_id,
NULL);
}
if (track->artist_sortname != NULL && strcmp (track->artist_sortname, "") != 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_ARTIST_SORTNAME, track->artist_sortname,
NULL);
}
if (track->album->genre != NULL && strcmp (track->album->genre, "") != 0) {
char **values, **l;
values = g_strsplit (track->album->genre, ",", 0);
for (l = values; *l; l++) {
g_strstrip (*l);
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_GENRE, *l,
NULL);
}
g_strfreev (values);
}
if (track->album->release_date) {
GDate *date;
guint year = 1;
guint month = 1;
guint day = 1;
if (gst_date_time_has_year (track->album->release_date)) {
year = gst_date_time_get_year (track->album->release_date);
}
if (gst_date_time_has_month (track->album->release_date)) {
month = gst_date_time_get_month (track->album->release_date);
}
if (gst_date_time_has_day (track->album->release_date)) {
day = gst_date_time_get_day (track->album->release_date);
}
date = g_date_new_dmy (day, month, year);
/* We set both GST_TAG_DATE_TIME and GST_TAG_DATE as most taggers
* use GST_TAG__DATE_TIME, but a few (id3v2mux/apemux) are still using
* GST_TAG_DATE
*/
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_DATE_TIME, track->album->release_date,
GST_TAG_DATE, date,
NULL);
g_date_free (date);
}
if (track->album->disc_number > 0) {
gst_tag_setter_add_tags (tagger,
GST_TAG_MERGE_APPEND,
GST_TAG_ALBUM_VOLUME_NUMBER, track->album->disc_number,
NULL);
}
g_value_unset (&item);
break;
case GST_ITERATOR_RESYNC:
/* TODO? */
g_warning ("Got GST_ITERATOR_RESYNC, not sure what to do");
gst_iterator_resync (iter);
break;
case GST_ITERATOR_ERROR:
done = TRUE;
break;
case GST_ITERATOR_DONE:
done = TRUE;
break;
}
}
g_value_unset (&item);
gst_iterator_free (iter);
/* Seek to the right track */
g_object_set (G_OBJECT (priv->cdsrc), "track", track->number, NULL);
/* Let's get ready to rumble! */
state_ret = gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
if (state_ret == GST_STATE_CHANGE_ASYNC) {
/* Wait for state change to either complete or fail, but not for too long,
* just to catch immediate errors. The rest we'll handle asynchronously */
state_ret = gst_element_get_state (priv->pipeline, NULL, NULL, GST_SECOND / 2);
}
if (state_ret == GST_STATE_CHANGE_FAILURE) {
GstMessage *msg;
msg = gst_bus_poll (GST_ELEMENT_BUS (priv->pipeline), GST_MESSAGE_ERROR, 0);
if (msg) {
gst_message_parse_error (msg, error, NULL);
gst_message_unref (msg);
} else if (error) {
/* this should never happen, create generic error just in case */
*error = g_error_new (SJ_ERROR, SJ_ERROR_INTERNAL_ERROR,
"Error starting ripping pipeline");
}
gst_element_set_state (priv->pipeline, GST_STATE_NULL);
priv->rebuild_pipeline = TRUE;
return;
}
priv->tick_id = g_timeout_add (250, (GSourceFunc)tick_timeout_cb, extractor);
g_source_set_name_by_id (priv->tick_id, "[sound-juicer] tick_timeout_cb");
}