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synced 2024-11-22 17:51:16 +00:00
changed cutter example to use a thread
Original commit message from CVS: changed cutter example to use a thread
This commit is contained in:
Thomas Vander Stichele
parent
c8d950b8ef
commit
4af8c58268
2 changed files with 112 additions and 20 deletions
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@ -16,9 +16,14 @@
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#define DEBUG
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gboolean playing = TRUE;
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gboolean cut_start_signalled = FALSE;
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gboolean cut_stop_signalled = FALSE;
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int id = 0; /* increment this for each new cut */
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GstElement *main_bin;
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GstElement *audiosrc;
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GstElement *queue;
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GstElement *thread;
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GstElement *cutter;
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GstElement *disksink;
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GstElement *encoder;
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@ -32,8 +37,9 @@ void cut_start (GstElement *element)
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/* we should pause the pipeline, disconnect cutter and disksink
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* create a new disksink to a real file, reconnect, and set to play
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*/
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g_print ("DEBUG: cut_start: main_bin paused\n");
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g_print ("DEBUG: cut_start: main_bin pausing\n");
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gst_element_set_state (main_bin, GST_STATE_PAUSED);
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g_print ("DEBUG: cut_start: main_bin paused\n");
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sprintf (buffer, "/tmp/test%d.wav", id);
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g_print ("DEBUG: cut_start: setting new location to %s\n", buffer);
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@ -46,6 +52,12 @@ void cut_start (GstElement *element)
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return;
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}
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void cut_start_signal (GstElement *element)
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{
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g_print ("\nDEBUG: main: cut start signal\n");
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cut_start_signalled = TRUE;
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}
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void cut_stop (GstElement *element)
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{
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g_print ("\nDEBUG: main: cut stop\n");
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@ -63,6 +75,12 @@ void cut_stop (GstElement *element)
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return;
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}
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void cut_stop_signal (GstElement *element)
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{
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g_print ("\nDEBUG: main: cut stop signal\n");
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cut_stop_signalled = TRUE;
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}
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int main (int argc, char *argv[])
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{
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//int i, j;
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@ -107,40 +125,68 @@ int main (int argc, char *argv[])
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gtk_object_set (GTK_OBJECT (disksink), "location", "/dev/null", NULL);
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thread = gst_thread_new ("thread");
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g_assert (thread != NULL);
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/* create main bin */
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main_bin = gst_pipeline_new ("bin");
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g_assert (main_bin != NULL);
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queue = gst_elementfactory_make ("queue", "queue");
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/* add elements to bin */
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gst_bin_add (GST_BIN (main_bin), cutter);
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gst_bin_add (GST_BIN (main_bin), audiosrc);
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gst_bin_add (GST_BIN (main_bin), encoder);
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gst_bin_add (GST_BIN (main_bin), disksink);
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gst_bin_add (GST_BIN (thread), queue);
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gst_bin_add (GST_BIN (thread), cutter);
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gst_bin_add (GST_BIN (thread), encoder);
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gst_bin_add (GST_BIN (thread), disksink);
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/* connect adder and disksink */
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gst_pad_connect (gst_element_get_pad (audiosrc, "src"),
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gst_element_get_pad (cutter,"sink"));
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gst_element_get_pad (queue, "sink"));
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gst_pad_connect (gst_element_get_pad (queue, "src"),
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gst_element_get_pad (cutter, "sink"));
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gst_pad_connect (gst_element_get_pad (cutter, "src"),
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gst_element_get_pad (encoder, "sink"));
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gst_pad_connect (gst_element_get_pad (encoder, "src"),
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gst_element_get_pad (disksink, "sink"));
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gst_bin_add (GST_BIN (main_bin), thread);
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/* set signal handlers */
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g_print ("setting signal handlers\n");
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gtk_signal_connect (GTK_OBJECT(cutter), "cut_start",
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GTK_SIGNAL_FUNC(cut_start), NULL);
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GTK_SIGNAL_FUNC(cut_start_signal), NULL);
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gtk_signal_connect (GTK_OBJECT(cutter), "cut_stop",
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GTK_SIGNAL_FUNC(cut_stop), NULL);
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GTK_SIGNAL_FUNC(cut_stop_signal), NULL);
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/* start playing */
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g_print ("setting to play\n");
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gst_element_set_state (main_bin, GST_STATE_PLAYING);
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/*
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g_print ("setting thread to play\n");
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gst_element_set_state (GST_ELEMENT (thread), GST_STATE_PLAYING);
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*/
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while (playing)
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{
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// g_print ("> ");
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g_print ("> ");
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gst_bin_iterate (GST_BIN (main_bin));
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// g_print (" <");
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g_print (" <");
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if (cut_start_signalled)
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{
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g_print ("\nDEBUG: main: cut_start_signalled true !\n");
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cut_start (cutter);
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cut_start_signalled = FALSE;
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}
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if (cut_stop_signalled)
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{
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g_print ("\nDEBUG: main: cut_stop_signalled true !\n");
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cut_stop (cutter);
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cut_stop_signalled = FALSE;
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}
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}
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g_print ("we're done iterating.\n");
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/* stop the bin */
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@ -16,9 +16,14 @@
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#define DEBUG
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gboolean playing = TRUE;
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gboolean cut_start_signalled = FALSE;
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gboolean cut_stop_signalled = FALSE;
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int id = 0; /* increment this for each new cut */
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GstElement *main_bin;
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GstElement *audiosrc;
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GstElement *queue;
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GstElement *thread;
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GstElement *cutter;
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GstElement *disksink;
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GstElement *encoder;
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@ -32,8 +37,9 @@ void cut_start (GstElement *element)
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/* we should pause the pipeline, disconnect cutter and disksink
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* create a new disksink to a real file, reconnect, and set to play
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*/
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g_print ("DEBUG: cut_start: main_bin paused\n");
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g_print ("DEBUG: cut_start: main_bin pausing\n");
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gst_element_set_state (main_bin, GST_STATE_PAUSED);
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g_print ("DEBUG: cut_start: main_bin paused\n");
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sprintf (buffer, "/tmp/test%d.wav", id);
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g_print ("DEBUG: cut_start: setting new location to %s\n", buffer);
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@ -46,6 +52,12 @@ void cut_start (GstElement *element)
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return;
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}
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void cut_start_signal (GstElement *element)
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{
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g_print ("\nDEBUG: main: cut start signal\n");
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cut_start_signalled = TRUE;
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}
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void cut_stop (GstElement *element)
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{
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g_print ("\nDEBUG: main: cut stop\n");
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@ -63,6 +75,12 @@ void cut_stop (GstElement *element)
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return;
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}
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void cut_stop_signal (GstElement *element)
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{
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g_print ("\nDEBUG: main: cut stop signal\n");
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cut_stop_signalled = TRUE;
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}
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int main (int argc, char *argv[])
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{
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//int i, j;
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@ -107,40 +125,68 @@ int main (int argc, char *argv[])
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gtk_object_set (GTK_OBJECT (disksink), "location", "/dev/null", NULL);
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thread = gst_thread_new ("thread");
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g_assert (thread != NULL);
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/* create main bin */
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main_bin = gst_pipeline_new ("bin");
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g_assert (main_bin != NULL);
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queue = gst_elementfactory_make ("queue", "queue");
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/* add elements to bin */
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gst_bin_add (GST_BIN (main_bin), cutter);
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gst_bin_add (GST_BIN (main_bin), audiosrc);
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gst_bin_add (GST_BIN (main_bin), encoder);
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gst_bin_add (GST_BIN (main_bin), disksink);
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gst_bin_add (GST_BIN (thread), queue);
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gst_bin_add (GST_BIN (thread), cutter);
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gst_bin_add (GST_BIN (thread), encoder);
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gst_bin_add (GST_BIN (thread), disksink);
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/* connect adder and disksink */
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gst_pad_connect (gst_element_get_pad (audiosrc, "src"),
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gst_element_get_pad (cutter,"sink"));
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gst_element_get_pad (queue, "sink"));
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gst_pad_connect (gst_element_get_pad (queue, "src"),
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gst_element_get_pad (cutter, "sink"));
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gst_pad_connect (gst_element_get_pad (cutter, "src"),
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gst_element_get_pad (encoder, "sink"));
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gst_pad_connect (gst_element_get_pad (encoder, "src"),
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gst_element_get_pad (disksink, "sink"));
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gst_bin_add (GST_BIN (main_bin), thread);
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/* set signal handlers */
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g_print ("setting signal handlers\n");
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gtk_signal_connect (GTK_OBJECT(cutter), "cut_start",
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GTK_SIGNAL_FUNC(cut_start), NULL);
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GTK_SIGNAL_FUNC(cut_start_signal), NULL);
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gtk_signal_connect (GTK_OBJECT(cutter), "cut_stop",
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GTK_SIGNAL_FUNC(cut_stop), NULL);
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GTK_SIGNAL_FUNC(cut_stop_signal), NULL);
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/* start playing */
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g_print ("setting to play\n");
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gst_element_set_state (main_bin, GST_STATE_PLAYING);
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/*
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g_print ("setting thread to play\n");
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gst_element_set_state (GST_ELEMENT (thread), GST_STATE_PLAYING);
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*/
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while (playing)
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{
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// g_print ("> ");
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g_print ("> ");
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gst_bin_iterate (GST_BIN (main_bin));
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// g_print (" <");
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g_print (" <");
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if (cut_start_signalled)
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{
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g_print ("\nDEBUG: main: cut_start_signalled true !\n");
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cut_start (cutter);
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cut_start_signalled = FALSE;
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}
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if (cut_stop_signalled)
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{
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g_print ("\nDEBUG: main: cut_stop_signalled true !\n");
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cut_stop (cutter);
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cut_stop_signalled = FALSE;
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}
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}
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g_print ("we're done iterating.\n");
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/* stop the bin */
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