Added setOrder and getOrder support for the input_mod

2 files changed, 68 insertions, 0 deletions

diff --git a/src/input_mod.cpp b/src/input_mod.cpp
index fe48c4f..8ca32c1 100644
--- a/src/input_mod.cpp
+++ b/src/input_mod.cpp
@@ -96,9 +96,72 @@ namespace audiere {
     }
   }
 
+
+  int
+  MODInputStream::getOrder()
+  {
+    ADR_GUARD("MOD_getOrder");
+    if (m_renderer) {
+      DUMB_IT_SIGRENDERER* itrenderer = duh_get_it_sigrenderer(m_renderer);
+      return  dumb_it_sr_get_current_order(itrenderer);
+    }
+    return 0;
+  }
+
+
+  bool
+  MODInputStream::setOrder(int order)
+  {
+    ADR_GUARD("MOD_setOrder");
+    DUH_SIGRENDERER* renderer = dumb_it_start_at_order(m_duh, 2, order);
+    if (!renderer)
+      return false;
+
+    if (m_renderer)
+      duh_end_sigrenderer(m_renderer);
+      m_renderer = renderer;
+
+      DUMB_IT_SIGRENDERER* itrenderer = duh_get_it_sigrenderer(m_renderer);
+      dumb_it_set_loop_callback(itrenderer, &MODInputStream::loopCallback, this);
+      return true;
+  }
+
+
+  float
+  MODInputStream::getChannelVolume(int channel)
+  {
+    ADR_GUARD("MOD_getChannelVolume");
+    if (!m_renderer)
+      return 1.0f;
+
+    if (channel < 0 || channel >= DUMB_IT_N_CHANNELS - 1)
+      return 1.0f;
+
+    DUMB_IT_SIGRENDERER* renderer = duh_get_it_sigrenderer(m_renderer);
+    int volume = dumb_it_sr_get_channel_volume(renderer, channel);
+    return volume / 128.0f;
+  }
+
+  bool
+  MODInputStream::setChannelVolume(int channel, float volume)
+  {
+    ADR_GUARD("MOD_getChannelVolume");
+    if (!m_renderer)
+      return false;
+
+    if (channel < 0 || channel >= DUMB_IT_N_CHANNELS - 1 ||
+	volume < 0.0f || volume > 1.0f)
+      return false;
+
+    DUMB_IT_SIGRENDERER* renderer = duh_get_it_sigrenderer(m_renderer);
+    dumb_it_sr_set_channel_volume(renderer, channel, volume * 128.0f);
+    return true;
+  }
+
   
   int
   MODInputStream::doRead(int frame_count, void* buffer) {
+    ADR_GUARD("MOD_doRead");
     return duh_render(m_renderer, 16, 0, 1.0f, 65536.0f / 44100,
                       frame_count, buffer);
   }
diff --git a/src/input_mod.h b/src/input_mod.h
index 0146cc3..a1ba5ed 100644
--- a/src/input_mod.h
+++ b/src/input_mod.h
@@ -23,6 +23,11 @@ namespace audiere {
       SampleFormat& sample_format);
     void ADR_CALL reset();
 
+    int ADR_CALL getOrder();
+    bool ADR_CALL setOrder(int order);
+    float ADR_CALL getChannelVolume(int channel = 0);
+    bool ADR_CALL setChannelVolume(int channel, float volume);
+
     int doRead(int frame_count, void* buffer);
 
   private: