static void
gst_nsfdec_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
GstNsfDec *nsfdec;
nsfdec = GST_NSFDEC (object);
switch (prop_id) {
case PROP_TUNE:
nsfdec->tune_number = g_value_get_int (value);
break;
case PROP_FILTER:
nsfdec->filter = g_value_get_enum (value);
if (nsfdec->nsf)
nsf_setfilter (nsfdec->nsf, nsfdec->filter);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
return;
}
}
static int SetupSong(void)
{
nsf_t * nsf = app.nsf;
int track;
if (!nsf) {
pdebug("nsf : setup song, no nsf\n");
return -1;
}
track = app.tracks[app.cur_track].map;
pdebug("nsf : setup song #%d/%d map:[%d]\n", app.cur_track, app.n_tracks,
track);
if (nsf_playtrack(nsf, track, 44100, 16, 0) != track) {
pdebug("nsf : play-track failed\n");
return -1;
}
pdebug("nsf : set filter\n");
nsf_setfilter(nsf, NSF_FILTER_NONE);
app.bufcnt = 0;
SetInfo();
return 0;
}
static gboolean
start_play_tune (GstNsfDec * nsfdec)
{
gboolean res;
nsfdec->nsf = nsf_load (NULL, GST_BUFFER_DATA (nsfdec->tune_buffer),
GST_BUFFER_SIZE (nsfdec->tune_buffer));
if (!nsfdec->nsf)
goto could_not_load;
if (!nsfdec_negotiate (nsfdec))
goto could_not_negotiate;
nsfdec->taglist = gst_tag_list_new ();
gst_tag_list_add (nsfdec->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_AUDIO_CODEC, "NES Sound Format", NULL);
if (nsfdec->nsf->artist_name)
gst_tag_list_add (nsfdec->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_ARTIST, nsfdec->nsf->artist_name, NULL);
if (nsfdec->nsf->song_name)
gst_tag_list_add (nsfdec->taglist, GST_TAG_MERGE_REPLACE,
GST_TAG_TITLE, nsfdec->nsf->song_name, NULL);
gst_element_post_message (GST_ELEMENT_CAST (nsfdec),
gst_message_new_tag (GST_OBJECT (nsfdec),
gst_tag_list_copy (nsfdec->taglist)));
nsf_playtrack (nsfdec->nsf,
nsfdec->tune_number, nsfdec->frequency, nsfdec->bits, nsfdec->stereo);
nsf_setfilter (nsfdec->nsf, nsfdec->filter);
nsfdec->bps = (nsfdec->bits >> 3) * nsfdec->channels;
/* calculate the number of bytes we need to output after each call to
* nsf_frame(). */
nsfdec->blocksize =
nsfdec->bps * nsfdec->frequency / nsfdec->nsf->playback_rate;
gst_pad_push_event (nsfdec->srcpad,
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
res = gst_pad_start_task (nsfdec->srcpad,
(GstTaskFunction) play_loop, nsfdec->srcpad, NULL);
return res;
/* ERRORS */
could_not_load:
{
GST_ELEMENT_ERROR (nsfdec, LIBRARY, INIT,
("Could not load tune"), ("Could not load tune"));
return FALSE;
}
could_not_negotiate:
{
GST_ELEMENT_ERROR (nsfdec, CORE, NEGOTIATION,
("Could not negotiate format"), ("Could not negotiate format"));
return FALSE;
}
}
