static gboolean
idler (gpointer data)
{
GstElement *pipeline = GST_ELEMENT (data);
if (gst_bin_iterate (GST_BIN (pipeline)))
return TRUE;
gtk_main_quit ();
return FALSE;
}
static int act_gstreamer_render (VisPluginData *plugin, VisVideo *video, VisAudio *audio)
{
GstreamerPrivate *priv = visual_object_get_private (VISUAL_OBJECT (plugin));
static int playing = 0;
if (playing == 0) {
char pipe[1024];
gst_init (NULL, NULL);
/*
snprintf(pipe, 1024, "filesrc location=%s ! decodebin ! ffmpegcolorspace ! "
"videoscale ! video/x-raw-rgb,bpp=32,depth=32,width=%d,height=%d,"
"red_mask=0xff000000,green_mask=0x00ff0000,blue_mask=0x0000ff00 !"
"fakesink name=sink sync=true", "test.mpg", video->width, video->height);
*/
snprintf(pipe, 1024, "filesrc location=%s ! decodebin ! ffmpegcolorspace ! "
"video/x-raw-rgb,bpp=24,depth=24 ! "
"fakesink name=sink signal-handoffs=true", "test.mpg");
GError *err = NULL;
priv->pipe = GST_PIPELINE_CAST(gst_parse_launch (pipe, &err));
if (err) {
visual_log (VISUAL_LOG_ERROR, "Failed to create pipeline", err->message);
return;
}
gst_element_set_state (GST_ELEMENT (priv->pipe), GST_STATE_PLAYING);
g_signal_connect (gst_bin_get_by_name_recurse_up (GST_BIN (priv->pipe), "sink"),
"handoff", G_CALLBACK (have_data), video);
playing = 1;
}
// g_signal_handlers_disconnect_by_func (gst_bin_get_by_name_recurse_up (GST_BIN (priv->pipe), "sink"),
// G_CALLBACK (have_data), priv->old_video);
gst_bin_iterate (GST_BIN (priv->pipe));
priv->old_video = video;
return 0;
}
/* This code, I've got from the gstreamer docs,
* I just modified it a bit so that it fits the needs
* of a GNotify-Soundplay function. */
gboolean gnotify_backend_gst_play(gpointer sfile)
{
GstElement *pipeline, *filesrc, *decoder, *audiosink;
pipeline = gst_pipeline_new ("pipeline");
filesrc = gst_element_factory_make ("filesrc", "disk_source");
g_object_set (G_OBJECT (filesrc), "location", (gchar*)sfile, NULL);
decoder = gst_element_factory_make ("spider", "decoder");
audiosink = gst_element_factory_make((const gchar*)GnotifyConfig.gst_audiosink, "play_audio");
gst_bin_add_many (GST_BIN (pipeline), filesrc, decoder, audiosink, NULL);
gst_element_link_many (filesrc, decoder, audiosink, NULL);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (pipeline)));
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (GST_OBJECT (pipeline));
return(FALSE);
}
gint
main (gint argc, gchar * argv[])
{
gst_init (&argc, &argv);
g_print ("\n"
"This test will test the various formats ALSA and GStreamer support.\n"
"You will hear a short sine tone on your default ALSA soundcard for every\n"
"format tested. They should all sound the same (incl. volume).\n" "\n");
create_pipeline ();
while (pipeline) {
gst_bin_iterate (GST_BIN (pipeline));
if ((counter / 200) > last) {
last = counter / 200;
gst_object_unref (pipeline);
create_pipeline ();
}
}
return 0;
}
G_GNUC_UNUSED static GstCaps *
gst_play_type_find (GstBin * bin, GstElement * element)
{
GstElement *typefind;
GstElement *pipeline;
GstCaps *caps = NULL;
GST_DEBUG ("GstPipeline: typefind for element \"%s\"",
GST_ELEMENT_NAME (element));
pipeline = gst_pipeline_new ("autoplug_pipeline");
typefind = gst_element_factory_make ("typefind", "typefind");
g_return_val_if_fail (typefind != NULL, FALSE);
gst_pad_link (gst_element_get_pad (element, "src"),
gst_element_get_pad (typefind, "sink"));
gst_bin_add (bin, typefind);
gst_bin_add (GST_BIN (pipeline), GST_ELEMENT (bin));
gst_element_set_state (pipeline, GST_STATE_PLAYING);
/* push a buffer... the have_type signal handler will set the found flag */
gst_bin_iterate (GST_BIN (pipeline));
gst_element_set_state (pipeline, GST_STATE_NULL);
caps = gst_pad_get_caps (gst_element_get_pad (element, "src"));
gst_pad_unlink (gst_element_get_pad (element, "src"),
gst_element_get_pad (typefind, "sink"));
gst_bin_remove (bin, typefind);
gst_bin_remove (GST_BIN (pipeline), GST_ELEMENT (bin));
gst_object_unref (typefind);
gst_object_unref (pipeline);
return caps;
}
int
main (int argc, char *argv[])
{
GstElement *bin, *filesrc, *decoder, *encoder, *filesink;
gchar *artist, *title, *ext, *filename;
/* initialize GStreamer */
gst_init (&argc, &argv);
/* check that the argument is there */
if (argc != 2) {
g_print ("usage: %s <mp3 file>\n", argv[0]);
return 1;
}
/* parse the mp3 name */
artist = strrchr (argv[1], '/');
if (artist == NULL)
artist = argv[1];
artist = g_strdup (artist);
ext = strrchr (artist, '.');
if (ext)
*ext = '\0';
title = strstr (artist, " - ");
if (title == NULL) {
g_print ("The format of the mp3 file is invalid.\n");
g_print ("It needs to be in the form of artist - title.mp3.\n");
return 1;
}
*title = '\0';
title += 3;
/* create a new bin to hold the elements */
bin = gst_pipeline_new ("pipeline");
g_assert (bin);
/* create a file reader */
filesrc = gst_element_factory_make ("filesrc", "disk_source");
g_assert (filesrc);
/* now it's time to get the decoder */
decoder = gst_element_factory_make ("mad", "decode");
if (!decoder) {
g_print ("could not find plugin \"mad\"");
return 1;
}
/* create the encoder */
encoder = gst_element_factory_make ("vorbisenc", "encoder");
if (!encoder) {
g_print ("cound not find plugin \"vorbisenc\"");
return 1;
}
/* and a file writer */
filesink = gst_element_factory_make ("filesink", "filesink");
g_assert (filesink);
/* set the filenames */
filename = g_strdup_printf ("%s.ogg", argv[1]); /* easy solution */
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
g_object_set (G_OBJECT (filesink), "location", filename, NULL);
g_free (filename);
/* make sure the tag setter uses our stuff
(though that should already be default) */
gst_tag_setter_set_merge_mode (GST_TAG_SETTER (encoder), GST_TAG_MERGE_KEEP);
/* set the tagging information */
gst_tag_setter_add (GST_TAG_SETTER (encoder), GST_TAG_MERGE_REPLACE,
GST_TAG_ARTIST, artist, GST_TAG_TITLE, title, NULL);
/* add objects to the main pipeline */
gst_bin_add_many (GST_BIN (bin), filesrc, decoder, encoder, filesink, NULL);
/* link the elements */
gst_element_link_many (filesrc, decoder, encoder, filesink, NULL);
/* start playing */
gst_element_set_state (bin, GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (bin)));
/* stop the bin */
gst_element_set_state (bin, GST_STATE_NULL);
return 0;
}
int
main (int argc, char *argv[])
{
/*int i, j; */
/*gboolean done; */
/*char buffer[20]; */
/*output_channel_t *channel_out; */
GstElement *audiosrc;
gst_init (&argc, &argv);
/*
if (argc == 1)
{
g_print("usage: %s <filename1> <filename2> <...>\n", argv[0]);
exit(-1);
}*/
/* set up input channel and main bin */
g_print ("creating main bin\n");
/* create cutter */
cutter = gst_element_factory_make ("cutter", "cutter");
g_object_set (G_OBJECT (cutter),
"threshold_dB", -40.0, "runlength", 0.5, "prelength", 1.0, NULL);
/* create an audio src */
if (!(audiosrc = gst_element_factory_make ("osssrc", "audio_src")))
g_error ("Could not create 'osssrc' element !\n");
/* set params */
g_object_set (G_OBJECT (audiosrc), "frequency", 44100,
"channels", 1, "format", 16, NULL);
if (!(encoder = gst_element_factory_make ("passthrough", "encoder")))
g_error ("Could not create 'passthrough' element !\n");
if (!(filesink = gst_element_factory_make ("afsink", "disk_sink")))
g_error ("Could not create 'afsink' element !\n");
g_object_set (G_OBJECT (filesink), "location", "/dev/null", NULL);
thread = gst_thread_new ("thread");
g_assert (thread != NULL);
/* create main bin */
main_bin = gst_pipeline_new ("bin");
g_assert (main_bin != NULL);
queue = gst_element_factory_make ("queue", "queue");
g_assert (queue);
/* add elements to bin */
gst_bin_add (GST_BIN (main_bin), audiosrc);
gst_bin_add (GST_BIN (thread), queue);
gst_bin_add_many (GST_BIN (thread), cutter, encoder, filesink, NULL);
gst_element_link_many (audiosrc, queue, cutter, encoder, filesink, NULL);
gst_bin_add (GST_BIN (main_bin), thread);
/* set signal handlers */
g_print ("setting signal handlers\n");
g_signal_connect (G_OBJECT (cutter), "cut_start",
(GCallback) cut_start_signal, NULL);
g_signal_connect (G_OBJECT (cutter), "cut_stop",
(GCallback) cut_stop_signal, NULL);
/* start playing */
g_print ("setting to play\n");
gst_element_set_state (main_bin, GST_STATE_PLAYING);
/*
g_print ("setting thread to play\n");
gst_element_set_state (GST_ELEMENT (thread), GST_STATE_PLAYING);
*/
while (playing) {
/* g_print ("> "); */
gst_bin_iterate (GST_BIN (main_bin));
/* g_print (" <"); */
if (cut_start_signalled) {
g_print ("\nDEBUG: main: cut_start_signalled true !\n");
cut_start (cutter);
cut_start_signalled = FALSE;
}
if (cut_stop_signalled) {
g_print ("\nDEBUG: main: cut_stop_signalled true !\n");
cut_stop (cutter);
cut_stop_signalled = FALSE;
}
}
g_print ("we're done iterating.\n");
/* stop the bin */
gst_element_set_state (main_bin, GST_STATE_NULL);
gst_object_unref (filesink);
gst_object_unref (main_bin);
exit (0);
}
int main (int argc, char *argv[])
{
GstElement *bin, *filesrc, *decoder, *encoder, *filesink;
gchar *artist, *title, *ext, *filename;
/* initialize GStreamer */
gst_init (&argc, &argv);
/* check that the argument is there */
if (argc != 2) {
g_print ("usage: %s <mp4 file>\n", argv[0]);
return 1;
}
artist = strrchr (argv[1], '/');
if (artist == NULL)
artist = argv[1];
artist = g_strdup (artist);
ext = strrchr (artist, '.');
if (ext)
*ext = '\0';
title = strstr (artist, " - ");
if (title == NULL) {
return 1;
}
*title = '\0';
title += 3;
bin = gst_pipeline_new ("pipeline");
g_assert (bin);
filesrc = gst_element_factory_make ("filesrc", "disk_source");
g_assert (filesrc);
decoder = gst_element_factory_make ("h264dec", "decode");
if (!decoder) {
return 1;
}
/* create the encoder */
encoder = gst_element_factory_make ("theoraenc", "encoder");
if (!encoder) {
g_print ("cound not find plugin \"theoraenc\"");
return 1;
}
filesink = gst_element_factory_make ("filesink", "filesink");
g_assert (filesink);
filename = g_strdup_printf ("%s.ogg", argv[1]); /* easy solution */
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
g_object_set (G_OBJECT (filesink), "location", filename, NULL);
g_free (filename);
gst_tag_setter_set_merge_mode (GST_TAG_SETTER (encoder), GST_TAG_MERGE_KEEP);
gst_tag_setter_add (GST_TAG_SETTER (encoder), GST_TAG_MERGE_REPLACE,
GST_TAG_ARTIST, artist, GST_TAG_TITLE, title, NULL);
gst_bin_add_many (GST_BIN (bin), filesrc, decoder, encoder, filesink, NULL);
/* link the elements */
gst_element_link_many (filesrc, decoder, encoder, filesink, NULL);
/* start playing */
gst_element_set_state (bin, GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (bin)));
/* stop the bin */
gst_element_set_state (bin, GST_STATE_NULL);
return 0;
}
int
main (int argc, char *argv[])
{
GstElement *filesrc, *osssink, *queue, *queue2, *parse, *decode;
GstElement *bin;
GstElement *thread, *thread2;
gst_init (&argc, &argv);
if (argc != 2) {
g_print ("usage: %s <filename>\n", argv[0]);
exit (-1);
}
/* create a new thread to hold the elements */
thread = gst_thread_new ("thread");
g_assert (thread != NULL);
thread2 = gst_thread_new ("thread2");
g_assert (thread2 != NULL);
/* create a new bin to hold the elements */
bin = gst_bin_new ("bin");
g_assert (bin != NULL);
/* create a disk reader */
filesrc = gst_element_factory_make ("filesrc", "disk_source");
g_assert (filesrc != NULL);
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
g_signal_connect (G_OBJECT (filesrc), "eos", G_CALLBACK (eos), thread);
queue = gst_element_factory_make ("queue", "queue");
queue2 = gst_element_factory_make ("queue", "queue2");
/* and an audio sink */
osssink = gst_element_factory_make ("osssink", "play_audio");
g_assert (osssink != NULL);
parse = gst_element_factory_make ("mp3parse", "parse");
decode = gst_element_factory_make ("mpg123", "decode");
/* add objects to the main bin */
gst_bin_add (GST_BIN (bin), filesrc);
gst_bin_add (GST_BIN (bin), queue);
gst_bin_add (GST_BIN (thread), parse);
gst_bin_add (GST_BIN (thread), decode);
gst_bin_add (GST_BIN (thread), queue2);
gst_bin_add (GST_BIN (thread2), osssink);
gst_element_link_many (filesrc, queue, parse, decode, queue2, osssink, NULL);
gst_bin_add (GST_BIN (bin), thread);
gst_bin_add (GST_BIN (bin), thread2);
/* make it ready */
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
/* start playing */
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
playing = TRUE;
while (playing) {
gst_bin_iterate (GST_BIN (bin));
}
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
exit (0);
}
int
main (int argc, char *argv[])
{
int i, j;
int num_channels;
char buffer[20];
GList *input_channels; /* structure holding all the input channels */
input_channel_t *channel_in;
GstElement *main_bin;
GstElement *adder;
GstElement *audiosink;
GstPad *pad; /* to request pads for the adder */
gst_init (&argc, &argv);
if (argc == 1) {
g_print ("usage: %s <filename1> <filename2> <...>\n", argv[0]);
exit (-1);
}
num_channels = argc - 1;
/* set up output channel and main bin */
/* create adder */
adder = gst_element_factory_make ("adder", "adderel");
/* create an audio sink */
audiosink = gst_element_factory_make ("esdsink", "play_audio");
/* create main bin */
main_bin = gst_pipeline_new ("bin");
/* link adder and output to bin */
GST_INFO ("main: adding adder to bin");
gst_bin_add (GST_BIN (main_bin), adder);
GST_INFO ("main: adding audiosink to bin");
gst_bin_add (GST_BIN (main_bin), audiosink);
/* link adder and audiosink */
gst_pad_link (gst_element_get_pad (adder, "src"),
gst_element_get_pad (audiosink, "sink"));
/* start looping */
input_channels = NULL;
for (i = 1; i < argc; ++i) {
printf ("Opening channel %d from file %s...\n", i, argv[i]);
channel_in = create_input_channel (i, argv[i]);
input_channels = g_list_append (input_channels, channel_in);
if (i > 1)
gst_element_set_state (main_bin, GST_STATE_PAUSED);
gst_bin_add (GST_BIN (main_bin), channel_in->pipe);
/* request pads and link to adder */
GST_INFO ("requesting pad\n");
pad = gst_element_get_request_pad (adder, "sink%d");
printf ("\tGot new adder sink pad %s\n", gst_pad_get_name (pad));
sprintf (buffer, "channel%d", i);
gst_pad_link (gst_element_get_pad (channel_in->pipe, buffer), pad);
/* register a volume envelope */
printf ("\tregistering volume envelope...\n");
/*
* this is the volenv :
* each song gets a slot of 5 seconds, with a 5 second fadeout
* at the end of that, all audio streams play simultaneously
* at a level ensuring no distortion
* example for three songs :
* song1 : starts at full level, plays 5 seconds, faded out at 10 seconds,
* sleep until 25, fade to end level at 30
* song2 : starts silent, fades in at 5 seconds, full blast at 10 seconds,
* full level until 15, faded out at 20, sleep until 25, fade to end at 30
* song3 : starts muted, fades in from 15, full at 20, until 25, fade to end level
*/
if (i == 1) {
/* first song gets special treatment for end style */
env_register_cp (channel_in->volenv, 0.0, 1.0);
} else {
env_register_cp (channel_in->volenv, 0.0, 0.0000001); /* start muted */
env_register_cp (channel_in->volenv, i * 10.0 - 15.0, 0.0000001); /* start fade in */
env_register_cp (channel_in->volenv, i * 10.0 - 10.0, 1.0);
}
env_register_cp (channel_in->volenv, i * 10.0 - 5.0, 1.0); /* end of full level */
if (i != num_channels) {
env_register_cp (channel_in->volenv, i * 10.0, 0.0000001); /* fade to black */
env_register_cp (channel_in->volenv, num_channels * 10.0 - 5.0, 0.0000001); /* start fade in */
}
env_register_cp (channel_in->volenv, num_channels * 10.0, 1.0 / num_channels); /* to end level */
#ifndef GST_DISABLE_LOADSAVE
gst_xml_write_file (GST_ELEMENT (main_bin), fopen ("mixer.xml", "w"));
#endif
/* start playing */
gst_element_set_state (main_bin, GST_STATE_PLAYING);
/* write out the schedule */
gst_scheduler_show (GST_ELEMENT_SCHEDULER (main_bin));
playing = TRUE;
j = 0;
/*printf ("main: start iterating from 0"); */
while (playing && j < 100) {
/* printf ("main: iterating %d\n", j); */
gst_bin_iterate (GST_BIN (main_bin));
/*fprintf(stderr,"after iterate()\n"); */
++j;
}
}
printf ("main: all the channels are open\n");
while (playing) {
gst_bin_iterate (GST_BIN (main_bin));
/*fprintf(stderr,"after iterate()\n"); */
}
/* stop the bin */
gst_element_set_state (main_bin, GST_STATE_NULL);
while (input_channels) {
destroy_input_channel (input_channels->data);
input_channels = g_list_next (input_channels);
}
g_list_free (input_channels);
gst_object_unref (audiosink);
gst_object_unref (main_bin);
exit (0);
}
gint
main (gint argc, gchar * argv[])
{
GstElement *pipeline;
GError *error = NULL;
gchar *description;
GstElement *encoder, *decoder;
GstPad *dec_sink, *enc_src;
gst_init (&argc, &argv);
if (argc < 3) {
g_print ("usage: %s <inputfile> <outputfile>\n", argv[0]);
return -1;
}
description = g_strdup_printf ("filesrc location=\"%s\" ! mad name=decoder ! "
"vorbisenc name=encoder ! filesink location=\"%s\"", argv[1], argv[2]);
pipeline = GST_ELEMENT (gst_parse_launch (description, &error));
if (!pipeline) {
if (error)
g_print ("ERROR: pipeline could not be constructed: %s\n",
error->message);
else
g_print ("ERROR: pipeline could not be constructed\n");
return -1;
}
decoder = gst_bin_get_by_name (GST_BIN (pipeline), "decoder");
encoder = gst_bin_get_by_name (GST_BIN (pipeline), "encoder");
dec_sink = gst_element_get_pad (decoder, "sink");
enc_src = gst_element_get_pad (encoder, "src");
if (gst_element_set_state (pipeline,
GST_STATE_PLAYING) != GST_STATE_CHANGE_SUCCESS) {
g_print ("pipeline doesn't want to play\n");
return -1;
}
while (gst_bin_iterate (GST_BIN (pipeline))) {
gint64 position;
gint64 duration;
gint64 bitrate_enc, bitrate_dec;
GstFormat format;
format = GST_FORMAT_TIME;
/* get the position */
gst_pad_query (enc_src, GST_QUERY_POSITION, &format, &position);
/* get the total duration */
gst_pad_query (enc_src, GST_QUERY_TOTAL, &format, &duration);
format = GST_FORMAT_BYTES;
/* see how many bytes are genereated per 8 seconds (== bitrate) */
gst_pad_convert (enc_src, GST_FORMAT_TIME, 8 * GST_SECOND,
&format, &bitrate_enc);
gst_pad_convert (dec_sink, GST_FORMAT_TIME, 8 * GST_SECOND,
&format, &bitrate_dec);
g_print ("[%2dm %.2ds] of [%2dm %.2ds], "
"src avg bitrate: %" G_GINT64_FORMAT ", dest avg birate: %"
G_GINT64_FORMAT ", ratio [%02.2f] \r",
(gint) (position / (GST_SECOND * 60)),
(gint) (position / (GST_SECOND)) % 60,
(gint) (duration / (GST_SECOND * 60)),
(gint) (duration / (GST_SECOND)) % 60, bitrate_dec, bitrate_enc,
(gfloat) bitrate_dec / bitrate_enc);
}
g_print ("\n");
return 0;
}
int
main (int argc, char *argv[])
{
GstElement *filesrc, *audiosink, *queue;
GstElement *pipeline;
gst_init (&argc, &argv);
if (argc != 2) {
g_print ("usage: %s <filename>\n", argv[0]);
exit (-1);
}
/* create a new bin to hold the elements */
pipeline = gst_pipeline_new ("pipeline");
g_assert (pipeline != NULL);
/* create a disk reader */
filesrc = gst_element_factory_make ("filesrc", "disk_source");
g_assert (filesrc != NULL);
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
g_signal_connect (G_OBJECT (filesrc), "eos", G_CALLBACK (eos), thread);
queue = gst_element_factory_make ("queue", "queue");
/* and an audio sink */
audiosink = gst_element_factory_make ("alsasink", "play_audio");
g_assert (audiosink != NULL);
/* add objects to the main pipeline */
/*
gst_pipeline_add_src(GST_PIPELINE(pipeline), filesrc);
gst_pipeline_add_sink(GST_PIPELINE(pipeline), queue);
gst_bin_add(GST_BIN (pipeline), audiosink);
gst_pad_link(gst_element_get_pad(queue,"src"),
gst_element_get_pad(audiosink,"sink"));
if (!gst_pipeline_autoplug(GST_PIPELINE(pipeline))) {
g_print("cannot autoplug pipeline\n");
exit(-1);
}
*/
gst_bin_add (GST_BIN (pipeline), thread);
/* make it ready */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY);
/* start playing */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
playing = TRUE;
while (playing) {
gst_bin_iterate (GST_BIN (pipeline));
}
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
exit (0);
}
void gap_metadata_load (GAPMetaData *md, const char *uri)
{
GstElement *pipeline = NULL;
GstElement *gnomevfssrc = NULL;
GstElement *typefind = NULL;
GstElement *spider = NULL;
GstElement *fakesink = NULL;
GstCaps *filtercaps = NULL;
const char *plugin_name = NULL;
g_return_if_fail (uri != NULL);
g_print ("Loading metadata for: %s\n", uri);
md->uri = g_strdup (uri);
md->duration = -1;
/* The main tagfinding pipeline looks like this:
* gnomevfssrc ! typefind ! spider ! application/x-gst-tags ! fakesink
*/
pipeline = gst_pipeline_new ("pipeline");
g_signal_connect (pipeline, "error", G_CALLBACK (cb_gst_error), md);
g_signal_connect (pipeline, "found-tag", G_CALLBACK (cb_gst_found_tag), md);
gnomevfssrc = gst_element_factory_make ("gnomevfssrc", "gnomevfssrc");
/* TODO: check error */
gst_bin_add (GST_BIN (pipeline), gnomevfssrc);
g_object_set (G_OBJECT (gnomevfssrc), "location", uri, NULL);
typefind = gst_element_factory_make ("typefind", "typefind");
/* TODO: check error */
g_signal_connect (typefind, "have_type", G_CALLBACK (cb_gst_have_type), md);
gst_bin_add (GST_BIN (pipeline), typefind);
spider = gst_element_factory_make ("spider", "spider");
/* TODO: check error */
gst_bin_add (GST_BIN (pipeline), spider);
fakesink = gst_element_factory_make ("fakesink", "fakesink");
/* TODO: check error */
gst_bin_add (GST_BIN (pipeline), fakesink);
g_object_set (G_OBJECT (fakesink), "signal-handoffs", TRUE, NULL);
g_signal_connect (fakesink, "handoff", G_CALLBACK (cb_gst_handoff), md);
g_signal_connect (fakesink, "eos", G_CALLBACK (cb_gst_eos), md);
gst_element_link_many (gnomevfssrc, typefind, spider, NULL);
filtercaps = gst_caps_new_simple ("audio/x-raw-int", NULL);
gst_element_link_filtered (spider, fakesink, filtercaps);
gst_caps_free (filtercaps);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
while ((gst_bin_iterate (GST_BIN (pipeline)))
&& (md->error == NULL)
&& (!md->handoff)
&& (!md->eos))
;
if (md->handoff)
{
if (md->duration == -1)
{
GstFormat format = GST_FORMAT_TIME;
gint64 length;
if (gst_element_query (fakesink, GST_QUERY_TOTAL, &format, &length))
{
GValue *newval = g_new0 (GValue, 1);
g_print ("Duration query succeeded\n");
g_value_init (newval, G_TYPE_LONG);
g_value_set_long (newval, (long) (length / (1 * 1000 * 1000 * 1000)));
md->duration = g_value_get_long (newval);
g_printf ("Duration: %d\n", md->duration);
}
else
g_print ("Duration query failed\n");
}
}
else if (md->eos)
g_print ("Received eos without handoff\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
if (pipeline != NULL)
gst_object_unref (GST_OBJECT (pipeline));
}
