Working on sound
[projects/chimara/chimara.git] / libchimara / schannel.c
index 2e741d3fea1f330e1ba7b3abaa290a16e9fe351b..6eb11bb50d3755c9f07f8d0d83e471df4ce4ce66 100644 (file)
@@ -1,5 +1,6 @@
 #include <config.h>
 #include <glib.h>
+#include <glib/gi18n.h>
 #include <libchimara/glk.h>
 #ifdef GSTREAMER_SOUND
 #include <gst/gst.h>
@@ -8,9 +9,16 @@
 #include "schannel.h"
 #include "chimara-glk-private.h"
 #include "gi_dispa.h"
+#include "gi_blorb.h"
+#include "resource.h"
 
 extern GPrivate *glk_data_key;
 
+static void
+on_new_decoded_pad(GstTypeFindElement *typefind, guint probability, GstCaps *caps)
+{
+       
+
 /**
  * glk_schannel_create:
  * @rock: The rock value to give the new sound channel.
@@ -44,19 +52,25 @@ glk_schannel_create(glui32 rock)
        g_free(pipeline_name);
 
        /* Create GStreamer elements to put in the pipeline */
-       s->source = gst_element_factory_make("filesrc", NULL);
-       s->filter = gst_element_factory_make("identity", NULL);
+       s->source = gst_element_factory_make("giostreamsrc", NULL);
+       s->decode = gst_element_factory_make("decodebin2", NULL);
+       s->filter = gst_element_factory_make("volume", NULL);
        s->sink = gst_element_factory_make("autoaudiosink", NULL);
-       if(!s->source || !s->filter || !s->sink) {
-               WARNING("Could not create one or more GStreamer elements");
+       if(!s->source || !s->decode || !s->filter || !s->sink) {
+               WARNING(_("Could not create one or more GStreamer elements"));
                goto fail;
        }
                
-       gst_bin_add_many(GST_BIN(s->pipeline), s->source, s->filter, s->sink, NULL);
-       if(!gst_element_link_many(s->source, s->filter, s->sink, NULL)) {
-               WARNING("Could not link GStreamer elements");
+       gst_bin_add_many(GST_BIN(s->pipeline), s->source, s->decode, s->filter, s->sink, NULL);
+       if(!gst_element_link(s->source, s->decode)) {
+               WARNING(_("Could not link GStreamer elements"));
                goto fail;
        }
+       if(!gst_element_link(s->filter, s->sink)) {
+               WARNING(_("Could not link GStreamer elements"));
+               goto fail;
+       }
+       g_signal_connect(s->decode, "new-decoded-pad", G_CALLBACK(on_new_decoded_pad), s);
        
        return s;
 
@@ -82,6 +96,9 @@ glk_schannel_destroy(schanid_t chan)
 
 #ifdef GSTREAMER_SOUND
        ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+
+       if(!gst_element_set_state(chan->pipeline, GST_STATE_NULL))
+               WARNING_S(_("Could not set GstElement state to"), "NULL");
        
        glk_data->schannel_list = g_list_delete_link(glk_data->schannel_list, chan->schannel_list);
 
@@ -92,7 +109,7 @@ glk_schannel_destroy(schanid_t chan)
        }
        
        if(chan->pipeline)
-               g_object_unref(chan->pipeline);
+               gst_object_unref(chan->pipeline);
        
        chan->magic = MAGIC_FREE;
        g_free(chan);
@@ -172,8 +189,6 @@ glk_schannel_get_rock(schanid_t chan)
  *   in which case playing a MOD resource would fail if one was already playing.
  * </para></note>
  *
- * <warning><para>This function is not implemented yet.</para></warning>
- *
  * Returns: 1 on success, 0 on failure.
  */
 glui32 
@@ -215,8 +230,6 @@ glk_schannel_play(schanid_t chan, glui32 snd)
  * %gestalt_SoundNotify selector before you rely on it; see <link
  * linkend="chimara-Testing-for-Sound-Capabilities">Testing for Sound 
  * Capabilities</link>.
- *
- * <warning><para>This function is not implemented yet.</para></warning>
  * 
  * Returns: 1 on success, 0 on failure.
  */
@@ -224,7 +237,36 @@ glui32
 glk_schannel_play_ext(schanid_t chan, glui32 snd, glui32 repeats, glui32 notify)
 {
        VALID_SCHANNEL(chan, return 0);
+#ifdef GSTREAMER_SOUND
+       ChimaraGlkPrivate *glk_data = g_private_get(glk_data_key);
+       
+       if(!glk_data->resource_map) {
+               if(!glk_data->resource_load_callback) {
+                       WARNING(_("No resource map has been loaded yet."));
+                       return 0;
+               }
+               WARNING(_("Loading sound resources from alternative location not yet supported."));
+               return 0;
+       }
+       
+       giblorb_result_t resource;
+       giblorb_err_t result = giblorb_load_resource(glk_data->resource_map, giblorb_method_Memory, &resource, giblorb_ID_Snd, snd);
+       if(result != giblorb_err_None) {
+               WARNING_S( _("Error loading resource"), giblorb_get_error_message(result) );
+               return 0;
+       }
+       g_printerr("playing sound resource %d at %p, length %x\n", snd, resource.data.ptr, resource.length);
+       GInputStream *stream = g_memory_input_stream_new_from_data(resource.data.ptr, resource.length, NULL);
+       g_object_set(chan->source, "stream", stream, NULL);
+       
+       if(!gst_element_set_state(chan->pipeline, GST_STATE_PLAYING)) {
+               WARNING_S(_("Could not set GstElement state to"), "PLAYING");
+               return 0;
+       }
+       return 1;
+#else
        return 0;
+#endif
 }
 
 /**
@@ -233,13 +275,15 @@ glk_schannel_play_ext(schanid_t chan, glui32 snd, glui32 repeats, glui32 notify)
  *
  * Stops any sound playing in the channel. No notification event is generated,
  * even if you requested one. If no sound is playing, this has no effect.
- *
- * <warning><para>This function is not implemented yet.</para></warning>
  */
 void 
 glk_schannel_stop(schanid_t chan)
 {
        VALID_SCHANNEL(chan, return);
+#ifdef GSTREAMER_SOUND
+       if(!gst_element_set_state(chan->pipeline, GST_STATE_READY))
+               WARNING_S(_("Could not set GstElement state to"), "READY");
+#endif
 }
 
 /**
@@ -266,12 +310,20 @@ glk_schannel_stop(schanid_t chan)
  * linkend="chimara-Testing-for-Sound-Capabilities">Testing for Sound
  * Capabilities</link>.
  *
- * <warning><para>This function is not implemented yet.</para></warning>
+ * <note><title>Chimara</title>
+ *   <para>Chimara supports volumes from 0 to 1000&percnt;, that is, values of
+ *   @vol up to 0xA0000.</para>
+ * </note>
  */
 void 
 glk_schannel_set_volume(schanid_t chan, glui32 vol)
 {
        VALID_SCHANNEL(chan, return);
+#ifdef GSTREAMER_SOUND
+       gdouble volume_gst = (gdouble)vol / 0x10000;
+       g_printerr("Volume set to: %f\n", volume_gst);
+       g_object_set(chan->filter, "volume", CLAMP(volume_gst, 0.0, 10.0), NULL);
+#endif
 }
 
 /**