#include "resource.h"
#include "event.h"
+#define VOLUME_TIMER_RESOLUTION 1.0 /* In milliseconds */
+
extern GPrivate *glk_data_key;
#ifdef GSTREAMER_SOUND
glk_schannel_play_ext(schanid_t chan, glui32 snd, glui32 repeats, glui32 notify)
{
VALID_SCHANNEL(chan, return 0);
- g_printerr("Play sound %d with repeats %d and notify %d\n", snd, repeats, notify);
#ifdef GSTREAMER_SOUND
ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
GInputStream *stream;
g_object_set(chan->source, "stream", stream, NULL);
g_object_unref(stream); /* Now owned by GStreamer element */
- if(!gst_element_set_state(chan->pipeline, GST_STATE_PLAYING)) {
- WARNING_S(_("Could not set GstElement state to"), "PLAYING");
+ /* Play the sound; unless the channel is paused, then pause it instead */
+ if(!gst_element_set_state(chan->pipeline, chan->paused? GST_STATE_PAUSED : GST_STATE_PLAYING)) {
+ WARNING_S(_("Could not set GstElement state to"), chan->paused? "PAUSED" : "PLAYING");
return 0;
}
return 1;
/**
* glk_schannel_play_multi:
- * @chanarray:
- * @chancount:
- * @sndarray:
- * @soundcount:
- * @notify:
+ * @chanarray: Array of #schanid_t structures.
+ * @chancount: Length of @chanarray.
+ * @sndarray: Array of sound resource numbers.
+ * @soundcount: Length of @sndarray, must be equal to @chanarray.
+ * @notify: If nonzero, request a notification when each sound finishes.
*
* [DRAFT SPEC]
*
glk_schannel_play_multi(schanid_t *chanarray, glui32 chancount, glui32 *sndarray, glui32 soundcount, glui32 notify)
{
g_return_val_if_fail(chancount == soundcount, 0);
- g_return_val_if_fail(chanarray == NULL && chancount != 0, 0);
- g_return_val_if_fail(sndarray == NULL && soundcount != 0, 0);
+ g_return_val_if_fail(chanarray != NULL || chancount == 0, 0);
+ g_return_val_if_fail(sndarray != NULL || soundcount == 0, 0);
int count;
for(count = 0; count < chancount; count++)
VALID_SCHANNEL(chanarray[count], return 0);
-
- g_warning("Not implemented");
+
+#ifdef GSTREAMER_SOUND
+ ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+ GInputStream *stream;
+
+ if(!glk_data->resource_map && !glk_data->resource_load_callback) {
+ WARNING(_("No resource map has been loaded yet."));
+ return 0;
+ }
+
+ /* We keep an array of sounds to skip if any of them have errors */
+ gboolean *skiparray = g_new0(gboolean, chancount);
+
+ /* Set up all the channels one by one */
+ for(count = 0; count < chancount; count++) {
+ /* Stop the previous sound */
+ clean_up_after_playing_sound(chanarray[count]);
+
+ /* Load the sound into a GInputStream, by whatever method */
+ if(!glk_data->resource_map) {
+ gchar *filename = glk_data->resource_load_callback(CHIMARA_RESOURCE_SOUND, sndarray[count], glk_data->resource_load_callback_data);
+ if(!filename) {
+ WARNING(_("Error loading resource from alternative location."));
+ skiparray[count] = TRUE;
+ continue;
+ }
+
+ GError *err = NULL;
+ GFile *file = g_file_new_for_path(filename);
+ stream = G_INPUT_STREAM(g_file_read(file, NULL, &err));
+ if(!stream) {
+ IO_WARNING(_("Error loading resource from file"), filename, err->message);
+ g_free(filename);
+ g_object_unref(file);
+ skiparray[count] = TRUE;
+ continue;
+ }
+ g_free(filename);
+ g_object_unref(file);
+ } else {
+ giblorb_result_t resource;
+ giblorb_err_t result = giblorb_load_resource(glk_data->resource_map, giblorb_method_Memory, &resource, giblorb_ID_Snd, sndarray[count]);
+ if(result != giblorb_err_None) {
+ WARNING_S( _("Error loading resource"), giblorb_get_error_message(result) );
+ skiparray[count] = TRUE;
+ continue;
+ }
+ stream = g_memory_input_stream_new_from_data(resource.data.ptr, resource.length, NULL);
+ }
+
+ chanarray[count]->repeats = 1;
+ chanarray[count]->resource = sndarray[count];
+ chanarray[count]->notify = notify;
+ g_object_set(chanarray[count]->source, "stream", stream, NULL);
+ g_object_unref(stream); /* Now owned by GStreamer element */
+ }
+
+ /* Start all the sounds as close to each other as possible. */
+ /* FIXME: Is there a way to start them exactly at the same time? */
+ glui32 successes = 0;
+ for(count = 0; count < chancount; count++) {
+ if(skiparray[count])
+ continue;
+ /* Play the sound; unless the channel is paused, then pause it instead */
+ if(!gst_element_set_state(chanarray[count]->pipeline, chanarray[count]->paused? GST_STATE_PAUSED : GST_STATE_PLAYING)) {
+ WARNING_S(_("Could not set GstElement state to"), chanarray[count]->paused? "PAUSED" : "PLAYING");
+ skiparray[count] = TRUE;
+ continue;
+ }
+ successes++;
+ }
+ g_free(skiparray);
+ return successes;
+#else
return 0;
+#endif
}
/**
if(chan->paused)
return; /* Silently do nothing */
+
+ /* Mark the channel as paused even if there is no sound playing yet */
+ chan->paused = TRUE;
+
GstState state;
if(gst_element_get_state(chan->pipeline, &state, NULL, GST_CLOCK_TIME_NONE) != GST_STATE_CHANGE_SUCCESS) {
WARNING(_("Could not get GstElement state"));
WARNING_S(_("Could not set GstElement state to"), "PAUSED");
return;
}
- chan->paused = TRUE;
}
/**
if(!chan->paused)
return; /* Silently do nothing */
+ /* Mark the channel as not paused in any case */
+ chan->paused = FALSE;
+
GstState state;
if(gst_element_get_state(chan->pipeline, &state, NULL, GST_CLOCK_TIME_NONE) != GST_STATE_CHANGE_SUCCESS) {
WARNING(_("Could not get GstElement state"));
WARNING_S(_("Could not set GstElement state to"), "PLAYING");
return;
}
- chan->paused = FALSE;
}
/**
glk_schannel_set_volume_ext(chan, vol, 0, 0);
}
+static double
+volume_glk_to_gstreamer(glui32 volume_glk)
+{
+ return CLAMP(((double)volume_glk / 0x10000), 0.0, 10.0);
+}
+
+#ifdef GSTREAMER_SOUND
+static gboolean
+volume_change_timeout(schanid_t chan)
+{
+ GTimeVal now;
+ g_get_current_time(&now);
+
+ if(now.tv_sec >= chan->target_time_sec && now.tv_usec >= chan->target_time_usec) {
+ /* We're done - make sure the volume is at the requested level */
+ g_object_set(chan->filter, "volume", chan->target_volume, NULL);
+
+ if(chan->volume_notify)
+ event_throw(chan->glk, evtype_VolumeNotify, NULL, 0, chan->volume_notify);
+
+ chan->volume_timer_id = 0;
+ return FALSE;
+ }
+
+ /* Calculate the appropriate step every time - a busy system may delay or
+ * drop timer ticks */
+ double time_left_msec = (chan->target_time_sec - now.tv_sec) * 1000.0
+ + (chan->target_time_usec - now.tv_usec) / 1000.0;
+ double steps_left = time_left_msec / VOLUME_TIMER_RESOLUTION;
+ double current_volume;
+ g_object_get(chan->filter, "volume", ¤t_volume, NULL);
+ double volume_step = (chan->target_volume - current_volume) / steps_left;
+
+ g_object_set(chan->filter, "volume", current_volume + volume_step, NULL);
+
+ return TRUE;
+}
+#endif /* GSTREAMER_SOUND */
+
/**
* glk_schannel_set_volume_ext:
* @chan: Channel to set the volume of.
* volume change should be wherever the previous volume change was interrupted
* (rather than the previous change's beginning or ending point).
*
- * Not all libraries support thse functions. You should test the appropriate
+ * Not all libraries support these functions. You should test the appropriate
* gestalt selectors before you rely on them; see "Testing for Sound
* Capabilities".
*/
{
VALID_SCHANNEL(chan, return);
/* Silently ignore out-of-range volume values */
-
+
#ifdef GSTREAMER_SOUND
- gdouble volume_gst = (gdouble)vol / 0x10000;
- g_object_set(chan->filter, "volume", CLAMP(volume_gst, 0.0, 10.0), NULL);
-#endif
+ /* Interrupt a previous volume change */
+ if(chan->volume_timer_id > 0)
+ g_source_remove(chan->volume_timer_id);
+
+ double target_volume = volume_glk_to_gstreamer(vol);
+
+ if(duration == 0) {
+ g_object_set(chan->filter, "volume", target_volume, NULL);
- /* Not implemented */
+ if(notify != 0)
+ event_throw(chan->glk, evtype_VolumeNotify, NULL, 0, notify);
+
+ return;
+ }
+
+ GTimeVal target_time;
+ g_get_current_time(&target_time);
+ g_time_val_add(&target_time, (long)duration * 1000);
+
+ chan->target_volume = target_volume;
+ chan->target_time_sec = target_time.tv_sec;
+ chan->target_time_usec = target_time.tv_usec;
+ chan->volume_notify = notify;
+
+ /* Set up a timer for the volume */
+ chan->volume_timer_id = g_timeout_add(VOLUME_TIMER_RESOLUTION, (GSourceFunc)volume_change_timeout, chan);
+#endif
}
/**
projects / projects / chimara / chimara.git / blobdiff