mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-29 03:30:35 +00:00
87f9d504d5
Original commit message from CVS: Fixed some compile warnings.
234 lines
6.6 KiB
C
234 lines
6.6 KiB
C
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <glib.h>
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#include <gst/gst.h>
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#include <gnome.h>
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static void
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gst_play_have_type (GstElement *sink, GstElement *sink2, gpointer data)
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{
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GST_DEBUG (0,"GstPipeline: play have type %p\n", (gboolean *)data);
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*(gboolean *)data = TRUE;
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}
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gboolean
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idle_func (gpointer data)
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{
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return gst_bin_iterate (GST_BIN (data));
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}
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static GstCaps*
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gst_play_typefind (GstBin *bin, GstElement *element)
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{
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gboolean found = FALSE;
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GstElement *typefind;
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GstCaps *caps = NULL;
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GST_DEBUG (0,"GstPipeline: typefind for element \"%s\" %p\n",
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GST_ELEMENT_NAME(element), &found);
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typefind = gst_elementfactory_make ("typefind", "typefind");
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g_return_val_if_fail (typefind != NULL, FALSE);
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gtk_signal_connect (GTK_OBJECT (typefind), "have_type",
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GTK_SIGNAL_FUNC (gst_play_have_type), &found);
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gst_pad_connect (gst_element_get_pad (element, "src"),
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gst_element_get_pad (typefind, "sink"));
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gst_bin_add (bin, typefind);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
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// push a buffer... the have_type signal handler will set the found flag
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gst_bin_iterate (bin);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
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caps = gst_pad_get_caps (gst_element_get_pad (element, "src"));
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gst_pad_disconnect (gst_element_get_pad (element, "src"),
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gst_element_get_pad (typefind, "sink"));
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gst_bin_remove (bin, typefind);
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return caps;
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}
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static GstElement*
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get_video_encoder_bin (void)
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{
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GstElement *bin;
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GstElement *encoder, *queue, *colorspace, *videoscale;
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bin = gst_bin_new ("video_encoder_bin");
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colorspace = gst_elementfactory_make ("colorspace", "colorspace");
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g_assert (colorspace != NULL);
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videoscale = gst_elementfactory_make ("videoscale", "videoscale");
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g_assert (videoscale != NULL);
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gtk_object_set (GTK_OBJECT (videoscale), "width", 352, "height", 288, NULL);
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encoder = gst_elementfactory_make ("mpeg2enc", "video_encoder");
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g_assert (encoder != NULL);
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queue = gst_elementfactory_make ("queue", "video_encoder_queue");
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g_assert (queue != NULL);
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gst_bin_add (GST_BIN (bin), colorspace);
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gst_bin_add (GST_BIN (bin), videoscale);
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gst_bin_add (GST_BIN (bin), encoder);
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gst_bin_add (GST_BIN (bin), queue);
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gst_element_connect (colorspace, "src", videoscale, "sink");
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gst_element_connect (videoscale, "src", encoder, "sink");
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gst_element_connect (encoder, "src", queue, "sink");
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gst_element_add_ghost_pad (bin, gst_element_get_pad (colorspace, "sink"), "sink");
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gst_element_add_ghost_pad (bin, gst_element_get_pad (queue, "src"), "src");
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return bin;
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}
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static GstElement*
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get_audio_encoder_bin (void)
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{
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GstElement *bin;
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GstElement *encoder, *queue;
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bin = gst_bin_new ("audio_encoder_bin");
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encoder = gst_elementfactory_make ("mpegaudio", "audio_encoder");
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g_assert (encoder != NULL);
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queue = gst_elementfactory_make ("queue", "audio_encoder_queue");
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g_assert (queue != NULL);
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gst_bin_add (GST_BIN (bin), encoder);
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gst_bin_add (GST_BIN (bin), queue);
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gst_element_connect (encoder, "src", queue, "sink");
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gst_element_add_ghost_pad (bin, gst_element_get_pad (encoder, "sink"), "sink");
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gst_element_add_ghost_pad (bin, gst_element_get_pad (queue, "src"), "src");
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return bin;
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}
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int main(int argc,char *argv[])
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{
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GstElement *disksrc, *audio_enc, *video_enc;
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GstElement *muxthread_video, *muxer, *fdsink_video;
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GstElement *muxthread_audio, *fdsink_audio;
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GstElement *bin;
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GstCaps *srccaps;
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GstElement *new_element;
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GstAutoplug *autoplug;
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gint fd_video;
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gint fd_audio;
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g_thread_init(NULL);
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gst_init(&argc,&argv);
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gnome_init("autoplug","0.0.1", argc,argv);
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if (argc != 4) {
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g_print("usage: %s <in_filename> <out_video> <out_audio>\n", argv[0]);
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exit(-1);
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}
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/* create a new bin to hold the elements */
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bin = gst_pipeline_new("pipeline");
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g_assert(bin != NULL);
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/* create a disk reader */
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disksrc = gst_elementfactory_make("disksrc", "disk_source");
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g_assert(disksrc != NULL);
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gtk_object_set(GTK_OBJECT(disksrc),"location", argv[1],NULL);
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gst_bin_add (GST_BIN (bin), disksrc);
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srccaps = gst_play_typefind (GST_BIN (bin), disksrc);
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if (!srccaps) {
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g_print ("could not autoplug, unknown media type...\n");
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exit (-1);
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}
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audio_enc = get_audio_encoder_bin();
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video_enc = get_video_encoder_bin();
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autoplug = gst_autoplugfactory_make ("staticrender");
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g_assert (autoplug != NULL);
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new_element = gst_autoplug_to_renderers (autoplug,
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srccaps,
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video_enc,
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audio_enc,
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NULL);
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if (!new_element) {
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g_print ("could not autoplug, no suitable codecs found...\n");
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exit (-1);
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}
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gst_object_ref (GST_OBJECT (disksrc));
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gst_bin_remove (GST_BIN (bin), disksrc);
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gst_object_destroy (GST_OBJECT (bin));
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// FIXME hack, reparent the disksrc so the scheduler doesn't break
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bin = gst_pipeline_new("pipeline");
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gst_bin_add (GST_BIN (bin), disksrc);
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gst_bin_add (GST_BIN (bin), new_element);
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gst_element_connect (disksrc, "src", new_element, "sink");
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muxer = gst_elementfactory_make ("system_encode", "muxer");
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g_assert (muxer != NULL);
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if (gst_bin_get_by_name (GST_BIN (new_element), "video_encoder_bin")) {
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muxthread_video = gst_thread_new("thread_video");
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fdsink_video = gst_elementfactory_make ("fdsink", "fdsink_video");
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g_assert (fdsink_video != NULL);
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fd_video = open (argv[2], O_CREAT|O_RDWR|O_TRUNC);
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gtk_object_set (GTK_OBJECT (fdsink_video), "fd", fd_video, NULL);
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gst_element_connect (video_enc, "src", fdsink_video, "sink");
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gst_bin_add (GST_BIN (muxthread_video), fdsink_video);
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gst_bin_add (GST_BIN (bin), muxthread_video);
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}
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if (gst_bin_get_by_name (GST_BIN (new_element), "audio_encoder_bin")) {
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muxthread_audio = gst_thread_new("thread_audio");
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fdsink_audio = gst_elementfactory_make ("fdsink", "fdsink_audio");
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g_assert (fdsink_audio != NULL);
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fd_audio = open (argv[3], O_CREAT|O_RDWR|O_TRUNC);
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gtk_object_set (GTK_OBJECT (fdsink_audio), "fd", fd_audio, NULL);
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gst_element_connect (audio_enc, "src", fdsink_audio, "sink");
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gst_bin_add (GST_BIN (muxthread_audio), fdsink_audio);
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gst_bin_add (GST_BIN (bin), muxthread_audio);
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}
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//gtk_object_set (GTK_OBJECT (muxer), "video", "00", NULL);
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//gtk_object_set (GTK_OBJECT (muxer), "audio", "00", NULL);
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/* start playing */
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gst_element_set_state(GST_ELEMENT(bin), GST_STATE_PLAYING);
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gtk_idle_add(idle_func, bin);
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gst_main();
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/* stop the bin */
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gst_element_set_state(GST_ELEMENT(bin), GST_STATE_NULL);
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gst_pipeline_destroy(bin);
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exit(0);
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}
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