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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
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#include <gst/gst.h>
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// Important: catch a signal( unix sig. ) to end the prog. normally
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int main(int argc, char *argv[] )
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{
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// The Main Bin( Thread )
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GstElement *main_pipe ;
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// The Two pipelines
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GstElement *srcThread ;
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// The elements for our Source Bin
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GstElement *ossSrc, *gsmEnc, *udpSink ;
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// And a queue
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GstElement *queue ;
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gst_init( &argc, &argv ) ; // ughh...
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// Get the Boss:
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main_pipe = gst_pipeline_new( "main_pipe" ) ;
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// & the lower level Bosses
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srcThread = gst_thread_new( "sourceThread" ) ;
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//register_sigs( (GstElement *)srcThread ) ; forget about this line
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// Get the sound Card
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ossSrc = gst_elementfactory_make( "osssrc", "audio_src" ) ;
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// Get the GSM codecs
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gsmEnc = gst_elementfactory_make( "gsmenc", "gsmEnc" ) ;
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// Get a queue
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queue = gst_elementfactory_make( "queue", "src_queue" ) ;
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// Get the UDP connection to the server
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udpSink = gst_elementfactory_make( "udpsink", "udpSink" ) ;
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// Asserttions:
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g_assert( main_pipe != NULL ) ;
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g_assert( srcThread != NULL ) ;
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g_assert( ossSrc != NULL ) ;
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g_assert( gsmEnc != NULL ) ;
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g_assert( queue != NULL ) ;
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g_assert( udpSink != NULL ) ;
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// Got to set the sound card:
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g_object_set( G_OBJECT( ossSrc ), "frequency", 8000, NULL ) ;
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g_object_set( G_OBJECT( ossSrc ), "channels", 1, NULL ) ;
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g_object_set( G_OBJECT( ossSrc ), "bytes_per_read", 320, NULL ) ;
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g_object_set( G_OBJECT( ossSrc ), "format", 16, NULL ) ;
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// Set the connections:
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g_object_set( G_OBJECT( udpSink ), "port", 9323, NULL ) ;
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// make gsm encoders & decoder the ghost pads
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gst_element_add_ghost_pad( GST_ELEMENT( srcThread ),
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gst_element_get_pad( udpSink, "sink" ), "sink" ) ;
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// Connect the appropritate elements
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gst_pad_connect( gst_element_get_pad( ossSrc, "src" ) ,
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gst_element_get_pad( gsmEnc, "sink" ) ) ;
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gst_pad_connect( gst_element_get_pad( gsmEnc, "src" ) ,
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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( GST_ELEMENT( srcThread ), "sink" ) ) ;
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// Add all element to their appropriate bins
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gst_bin_add( GST_BIN( main_pipe ), ossSrc ) ;
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gst_bin_add( GST_BIN( main_pipe ), gsmEnc ) ;
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gst_bin_add( GST_BIN( main_pipe ), queue ) ;
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gst_bin_add( GST_BIN( srcThread ), udpSink ) ;
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gst_bin_add( GST_BIN( main_pipe ), GST_ELEMENT( srcThread ) ) ;
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// Lets get started
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gst_element_set_state( GST_ELEMENT( main_pipe ), GST_STATE_PLAYING ) ;
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while( gst_bin_iterate( GST_BIN( main_pipe ) ) ) ;
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gst_element_set_state( GST_ELEMENT( main_pipe ), GST_STATE_NULL ) ;
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gst_object_destroy( GST_OBJECT( main_pipe ) ) ;
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g_print( "Normal Program Termination\n" ) ;
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exit (0) ;
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}
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