gstreamer/test/misc/mpgPlayer.c

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#include "gsmtest.h"
// The Main Bin( Thread )
GstElement *main_thread ;
// The primary srcs & sinks:
GstElement *diskSrc , *ossSink, *videoSink ;
// Parsers, filters & Decoders:
GstElement *mpgParser, *mpgVideoParser, *mp3Parser ;
GstElement *mpgDecoder, *mp3Decoder ;
GstElement *colorSpace ; // see if including this works
gboolean playing ;
void eos( GstElement *element, gpointer data )
{
g_print( "eos reached, ending..." ) ;
playing = FALSE ;
}
void mpg_parser_connect( GstElement *parser, GstPad *pad )
{
g_print( "new pad %s created\n", gst_pad_get_name( pad ) ) ;
gst_element_set_state( GST_ELEMENT( main_thread ), GST_STATE_PAUSED ) ;
if( strncmp( gst_pad_get_name( pad ), "audio", 5 ) == 0 )
{
gst_pad_connect( pad, gst_element_get_pad( mp3Parser, "sink" ) ) ;
gst_pad_connect( gst_element_get_pad( mp3Parser, "src" ) ,
gst_element_get_pad( mp3Decoder, "sink" ) ) ;
gst_pad_connect( gst_element_get_pad( mp3Decoder, "src" ) ,
gst_element_get_pad( ossSink, "sink" ) ) ;
gst_bin_add( GST_BIN( main_thread ), mp3Parser ) ;
gst_bin_add( GST_BIN( main_thread ), mp3Decoder ) ;
gst_bin_add( GST_BIN( main_thread ), ossSink ) ;
}
if( strncmp( gst_pad_get_name( pad ), "video", 5 ) == 0 )
{
gst_pad_connect( pad, gst_element_get_pad( mpgVideoParser, "sink" ) ) ;
gst_pad_connect( gst_element_get_pad( mpgVideoParser, "src" ) ,
gst_element_get_pad( mpgDecoder, "sink" ) ) ;
gst_pad_connect( gst_element_get_pad( mpgDecoder, "src" ) ,
gst_element_get_pad( colorSpace, "sink" ) ) ;
gst_pad_connect( gst_element_get_pad( colorSpace, "src" ) ,
gst_element_get_pad( videoSink, "sink" ) ) ;
gst_bin_add( GST_BIN( main_thread ), mpgVideoParser ) ;
gst_bin_add( GST_BIN( main_thread ), mpgDecoder ) ;
gst_bin_add( GST_BIN( main_thread ), colorSpace ) ;
gst_bin_add( GST_BIN( main_thread ), videoSink ) ;
}
gst_element_set_state( GST_ELEMENT( main_thread ), GST_STATE_PLAYING ) ;
}
int main(int argc, char *argv[] )
{
gst_init( &argc, &argv ) ; // ughh...
// Get the Boss:
main_thread = gst_pipeline_new( "main_thread" ) ;
// Get the main Srcs & sinks
diskSrc = gst_elementfactory_make( "disksrc", "movie_file" ) ;
g_object_set( G_OBJECT( diskSrc ), "location", argv[ 1 ], NULL ) ;
g_signal_connectc( G_OBJECT( diskSrc ), "eos",
G_CALLBACK( eos ), main_thread, FALSE ) ;
ossSink = gst_elementfactory_make( "osssink", "audio_sink" ) ;
videoSink = gst_elementfactory_make( "xvideosink", "video_sink" ) ;
colorSpace = gst_elementfactory_make( "colorspace", "video_filter" ) ;
// Get the parsers
mp3Parser = gst_elementfactory_make( "mp3parse", "mp3parser" ) ;
mpgVideoParser = gst_elementfactory_make( "mp2videoparse", "mp2parser" ) ;
mpgParser = gst_elementfactory_make( "mpeg2parse", "mpgparser" ) ;
g_signal_connectc( G_OBJECT( mpgParser ), "new_pad",
G_CALLBACK( mpg_parser_connect ), NULL, FALSE ) ;
//The mpeg decoders
mpgDecoder = gst_elementfactory_make( "mpeg2dec", "mpegdecoder" ) ;
mp3Decoder = gst_elementfactory_make( "mpg123", "mp3decoder" ) ;
// Asserttions:
g_assert( main_thread != NULL ) ;
g_assert( videoSink != NULL ) ;
g_assert( diskSrc != NULL ) ;
g_assert( ossSink != NULL ) ;
g_assert( mpgParser != NULL ) ;
g_assert( mp3Parser != NULL ) ;
g_assert( mp3Decoder != NULL ) ;
g_assert( mpgDecoder != NULL ) ;
g_assert( colorSpace != NULL ) ;
g_assert( mpgVideoParser != NULL ) ;
//g_object_set( G_OBJECT( ossSink ), "frequency", 1000, NULL ) ;
//g_object_set( G_OBJECT( ossSink ), "channels", 1, NULL ) ;
// Connect the appropritate elements
gst_pad_connect( gst_element_get_pad( diskSrc, "src" ) ,
gst_element_get_pad( mpgParser, "sink" ) ) ;
// Add all element to their appropriate bins
gst_bin_add( GST_BIN( main_thread ), diskSrc ) ;
gst_bin_add( GST_BIN( main_thread ), mpgParser ) ;
// Lets get started
gst_element_set_state( GST_ELEMENT( main_thread ), GST_STATE_PLAYING ) ;
playing = TRUE ;
while( playing )
gst_bin_iterate( GST_BIN( main_thread ) ) ;
gst_element_set_state( GST_ELEMENT( main_thread ), GST_STATE_NULL ) ;
gst_object_destroy( GST_OBJECT( main_thread ) ) ;
g_print( "Normal Program Termination\n" ) ;
exit (0) ;
}