#include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <glib.h> #include <gst/gst.h> int main(int argc,char *argv[]) { int fd; GstPipeline *pipeline; GstElement *osssrc, *videosrc, *fdsink, *encoder, *compress, *video_queue, *video_thread; GstElementFactory *osssrcfactory, *fdsinkfactory, *encoderfactory, *compressfactory; GstElementFactory *videosrcfactory; gst_init(&argc,&argv); gst_plugin_load("v4lsrc"); gst_plugin_load("aviencoder"); gst_plugin_load("wincodec"); pipeline = GST_PIPELINE (gst_pipeline_new("pipeline")); osssrcfactory = gst_elementfactory_find("osssrc"); osssrc = gst_elementfactory_create(osssrcfactory,"osssrc"); videosrcfactory = gst_elementfactory_find("v4lsrc"); videosrc = gst_elementfactory_create(videosrcfactory,"videosrc"); compressfactory = gst_elementfactory_find("winenc"); compress = gst_elementfactory_create(compressfactory,"winenc"); g_assert(compress != NULL); encoderfactory = gst_elementfactory_find("aviencoder"); encoder = gst_elementfactory_create(encoderfactory,"aviencoder"); gtk_object_set(GTK_OBJECT(videosrc),"width",320,"height",240,NULL); gtk_object_set(GTK_OBJECT(videosrc),"format",5,NULL); gtk_object_set(GTK_OBJECT(encoder),"video","00:DIV3",NULL); fd = open(argv[1],O_CREAT|O_RDWR|O_TRUNC); fdsinkfactory = gst_elementfactory_find("fdsink"); fdsink = gst_elementfactory_create(fdsinkfactory,"fdsink"); gtk_object_set(GTK_OBJECT(fdsink),"fd",fd,NULL); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(videosrc)); /* add objects to the main pipeline */ video_thread = gst_thread_new("video_thread"); g_return_val_if_fail(video_thread != NULL, -1); gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(compress)); gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(encoder)); gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(fdsink)); /* connect src to sink */ gst_element_add_ghost_pad(GST_ELEMENT(video_thread), gst_element_get_pad(compress,"sink"),"sink"); gst_pad_connect(gst_element_get_pad(compress,"src"), gst_element_get_pad(encoder,"video_00")); gst_pad_connect(gst_element_get_pad(encoder,"src"), gst_element_get_pad(fdsink,"sink")); // construct queue and connect everything in the main pipeline video_queue = gst_elementfactory_make("queue","video_queue"); gtk_object_set(GTK_OBJECT(video_queue),"max_level",30,NULL); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue)); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread)); gst_pad_connect(gst_element_get_pad(videosrc, "src"), gst_element_get_pad(video_queue,"sink")); gst_pad_connect(gst_element_get_pad(video_queue,"src"), gst_element_get_pad(video_thread,"sink")); gtk_object_set(GTK_OBJECT(video_thread),"create_thread",TRUE,NULL); g_print("\neverything's built, setting it up to be runnable\n"); gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY); g_print("\nok, runnable, hitting 'play'...\n"); gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING); while(1) gst_bin_iterate(GST_BIN(pipeline)); }