int
main (int argc, char *argv[])
{
GstElement *bin, *filesrc, *decoder, *encoder, *filesink;
gchar *artist, *title, *ext, *filename;
/* initialize GStreamer */
gst_init (&argc, &argv);
/* check that the argument is there */
if (argc != 2) {
g_print ("usage: %s <mp3 file>\n", argv[0]);
return 1;
}
/* parse the mp3 name */
artist = strrchr (argv[1], '/');
if (artist == NULL)
artist = argv[1];
artist = g_strdup (artist);
ext = strrchr (artist, '.');
if (ext)
*ext = '\0';
title = strstr (artist, " - ");
if (title == NULL) {
g_print ("The format of the mp3 file is invalid.\n");
g_print ("It needs to be in the form of artist - title.mp3.\n");
return 1;
}
*title = '\0';
title += 3;
/* create a new bin to hold the elements */
bin = gst_pipeline_new ("pipeline");
g_assert (bin);
/* create a file reader */
filesrc = gst_element_factory_make ("filesrc", "disk_source");
g_assert (filesrc);
/* now it's time to get the decoder */
decoder = gst_element_factory_make ("mad", "decode");
if (!decoder) {
g_print ("could not find plugin \"mad\"");
return 1;
}
/* create the encoder */
encoder = gst_element_factory_make ("vorbisenc", "encoder");
if (!encoder) {
g_print ("cound not find plugin \"vorbisenc\"");
return 1;
}
/* and a file writer */
filesink = gst_element_factory_make ("filesink", "filesink");
g_assert (filesink);
/* set the filenames */
filename = g_strdup_printf ("%s.ogg", argv[1]); /* easy solution */
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
g_object_set (G_OBJECT (filesink), "location", filename, NULL);
g_free (filename);
/* make sure the tag setter uses our stuff
(though that should already be default) */
gst_tag_setter_set_merge_mode (GST_TAG_SETTER (encoder), GST_TAG_MERGE_KEEP);
/* set the tagging information */
gst_tag_setter_add (GST_TAG_SETTER (encoder), GST_TAG_MERGE_REPLACE,
GST_TAG_ARTIST, artist, GST_TAG_TITLE, title, NULL);
/* add objects to the main pipeline */
gst_bin_add_many (GST_BIN (bin), filesrc, decoder, encoder, filesink, NULL);
/* link the elements */
gst_element_link_many (filesrc, decoder, encoder, filesink, NULL);
/* start playing */
gst_element_set_state (bin, GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (bin)));
/* stop the bin */
gst_element_set_state (bin, GST_STATE_NULL);
return 0;
}
int main (int argc, char *argv[])
{
GstElement *bin, *filesrc, *decoder, *encoder, *filesink;
gchar *artist, *title, *ext, *filename;
/* initialize GStreamer */
gst_init (&argc, &argv);
/* check that the argument is there */
if (argc != 2) {
g_print ("usage: %s <mp4 file>\n", argv[0]);
return 1;
}
artist = strrchr (argv[1], '/');
if (artist == NULL)
artist = argv[1];
artist = g_strdup (artist);
ext = strrchr (artist, '.');
if (ext)
*ext = '\0';
title = strstr (artist, " - ");
if (title == NULL) {
return 1;
}
*title = '\0';
title += 3;
bin = gst_pipeline_new ("pipeline");
g_assert (bin);
filesrc = gst_element_factory_make ("filesrc", "disk_source");
g_assert (filesrc);
decoder = gst_element_factory_make ("h264dec", "decode");
if (!decoder) {
return 1;
}
/* create the encoder */
encoder = gst_element_factory_make ("theoraenc", "encoder");
if (!encoder) {
g_print ("cound not find plugin \"theoraenc\"");
return 1;
}
filesink = gst_element_factory_make ("filesink", "filesink");
g_assert (filesink);
filename = g_strdup_printf ("%s.ogg", argv[1]); /* easy solution */
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
g_object_set (G_OBJECT (filesink), "location", filename, NULL);
g_free (filename);
gst_tag_setter_set_merge_mode (GST_TAG_SETTER (encoder), GST_TAG_MERGE_KEEP);
gst_tag_setter_add (GST_TAG_SETTER (encoder), GST_TAG_MERGE_REPLACE,
GST_TAG_ARTIST, artist, GST_TAG_TITLE, title, NULL);
gst_bin_add_many (GST_BIN (bin), filesrc, decoder, encoder, filesink, NULL);
/* link the elements */
gst_element_link_many (filesrc, decoder, encoder, filesink, NULL);
/* start playing */
gst_element_set_state (bin, GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (bin)));
/* stop the bin */
gst_element_set_state (bin, GST_STATE_NULL);
return 0;
}
