[beast/devel: 13/28] BSE: add xinfos master-volume-db, adsr-attack-time and adsr-release-time

[Tim Janik <timj src gnome org>]

commit 0cdd5a03f9bceeb0545e3fb6fc8d2c06c1e92b00
Author: Stefan Westerfeld <stefan space twc de>
Date:   Thu Mar 21 15:55:15 2013 +0100

    BSE: add xinfos master-volume-db, adsr-attack-time and adsr-release-time
    
    These xinfos can be used to adjust the amplifier volume and the adsr
    envelope parameters for bsewave files.

 bse/bsetrack.cc |   35 +++++++++++++++++++++++++++++++++++
 1 files changed, 35 insertions(+), 0 deletions(-)
---
diff --git a/bse/bsetrack.cc b/bse/bsetrack.cc
index 3367070..9b9f6c4 100644
--- a/bse/bsetrack.cc
+++ b/bse/bsetrack.cc
@@ -315,6 +315,36 @@ track_uncross_wave (BseItem *owner,
 }
 
 static void
+set_amp_master_volume (BseSNet *snet, const char *amp_name, gchar **xinfos)
+{
+  const gchar *master_volume_db = bse_xinfos_get_value (xinfos, "master-volume-db");
+  if (master_volume_db)
+    {
+      BseItem *amp = bse_container_resolve_upath (BSE_CONTAINER (snet), amp_name);
+
+      double volume;
+      g_object_get (amp, "master-volume", &volume, NULL);
+      volume *= bse_db_to_factor (g_ascii_strtod (master_volume_db, NULL));
+      g_object_set (amp, "master-volume", volume, NULL);
+    }
+}
+static void
+set_adsr_params (BseSNet *snet, const char *adsr_name, gchar **xinfos)
+{
+  const gchar *adsr_release_time = bse_xinfos_get_value (xinfos, "adsr-release-time");
+  if (adsr_release_time)
+    {
+      BseItem *adsr = bse_container_resolve_upath (BSE_CONTAINER (snet), adsr_name);
+      g_object_set (adsr, "release_time", g_ascii_strtod (adsr_release_time, NULL), NULL);
+    }
+  const gchar *adsr_attack_time = bse_xinfos_get_value (xinfos, "adsr-attack-time");
+  if (adsr_attack_time)
+    {
+      BseItem *adsr = bse_container_resolve_upath (BSE_CONTAINER (snet), adsr_name);
+      g_object_set (adsr, "attack_time", g_ascii_strtod (adsr_attack_time, NULL), NULL);
+    }
+}
+static void
 create_wnet (BseTrack *self,
             BseWave  *wave)
 {
@@ -340,6 +370,8 @@ create_wnet (BseTrack *self,
       g_object_set (bse_container_resolve_upath (BSE_CONTAINER (self->wnet), "wave-osc"), /* no undo */
                                                 "wave", wave,
                                                 NULL);
+      set_amp_master_volume (self->wnet, "amplifier", wave->xinfos);
+      set_adsr_params (self->wnet, "adsr", wave->xinfos);
     }
   else if (strcmp (synthesis_network, "adsr-wave-2") == 0 ||
            strcmp (synthesis_network, "plain-wave-2") == 0)
@@ -350,6 +382,9 @@ create_wnet (BseTrack *self,
       g_object_set (bse_container_resolve_upath (BSE_CONTAINER (self->wnet), "wave-osc-right"), /* no undo */
                                                 "wave", wave,
                                                 NULL);
+      set_amp_master_volume (self->wnet, "amplifier-left", wave->xinfos);
+      set_amp_master_volume (self->wnet, "amplifier-right", wave->xinfos);
+      set_adsr_params (self->wnet, "adsr", wave->xinfos);
     }
   else if (strcmp (synthesis_network, "gus-patch") == 0)
     {