audio capture stubs

src/api/l_audio.c

@@ -76,6 +76,58 @@ static int l_lovrAudioSetListenerPose(lua_State *L) {
   return 0;
 }
 
+static int l_lovrAudioGetCaptureDuration(lua_State *L) {
+  TimeUnit units = luax_checkenum(L, 1, TimeUnit, "seconds");
+  size_t sampleCount = lovrAudioGetCaptureSampleCount();
+  
+  if (units == UNIT_SECONDS) {
+    lua_pushnumber(L, (double) sampleCount / LOVR_AUDIO_SAMPLE_RATE);
+  } else {
+    lua_pushinteger(L, sampleCount);
+  }
+  return 1;
+}
+
+static int l_lovrAudioCapture(lua_State* L) {
+  int index = 1;
+  
+  size_t samples = lua_type(L, index) == LUA_TNUMBER ? lua_tointeger(L, index++) : lovrAudioGetCaptureSampleCount();
+
+  if (samples == 0) {
+    return 0;
+  }
+
+  SoundData* soundData = luax_totype(L, index++, SoundData);
+  size_t offset = soundData ? luaL_optinteger(L, index, 0) : 0;
+
+  if (soundData) {
+    lovrRetain(soundData);
+  }
+
+  soundData = lovrAudioCapture(samples, soundData, offset);
+  luax_pushtype(L, SoundData, soundData);
+  lovrRelease(SoundData, soundData);
+  return 1;
+}
+
+static int l_lovrAudioSetCaptureDevice(lua_State *L) {
+  //
+
+  return 0;
+}
+
+static int l_lovrAudioGetCaptureDevice(lua_State *L) {
+  //
+
+  return 0;
+}
+
+static int l_lovrAudioListCaptureDevices(lua_State *L) {
+  //
+  
+  return 0;
+}
+
 static const luaL_Reg lovrAudio[] = {
   { "reset", l_lovrAudioReset },
   { "start", l_lovrAudioStart },
@@ -84,6 +136,11 @@ static const luaL_Reg lovrAudio[] = {
   { "setVolume", l_lovrAudioSetVolume },
   { "newSource", l_lovrAudioNewSource },
   { "setListenerPose", l_lovrAudioSetListenerPose },
+  { "capture", l_lovrAudioCapture },
+  { "getCaptureDuration", l_lovrAudioGetCaptureDuration },
+  { "setCaptureDevice", l_lovrAudioSetCaptureDevice },
+  { "getCaptureDevice", l_lovrAudioGetCaptureDevice },
+  { "listCaptureDevices", l_lovrAudioListCaptureDevices },
   { NULL, NULL }
 };
 

src/modules/audio/audio.c

@@ -113,8 +113,7 @@ static void onPlayback(ma_device* device, void* output, const void* _, uint32_t
 }
 
 static void onCapture(ma_device* device, void* output, const void* input, uint32_t frames) {
-  ma_mutex_lock(&state.locks[1]);
-  ma_mutex_unlock(&state.locks[1]);
+  
 }
 
 static const ma_device_callback_proc callbacks[] = { onPlayback, onCapture };
@@ -340,3 +339,15 @@ void lovrSourceSetTime(Source* source, uint32_t time) {
 SoundData* lovrSourceGetSoundData(Source* source) {
   return source->sound;
 }
+
+// Capture
+
+uint32_t lovrAudioGetCaptureSampleCount()
+{
+
+}
+
+struct SoundData* lovrAudioCapture(uint32_t sampleCount, SoundData *soundData, uint32_t offset)
+{
+
+}

src/modules/audio/audio.h

@@ -57,3 +57,6 @@ void lovrSourceSetPose(Source *source, float position[4], float orientation[4]);
 uint32_t lovrSourceGetTime(Source* source);
 void lovrSourceSetTime(Source* source, uint32_t sample);
 struct SoundData* lovrSourceGetSoundData(Source* source);
+
+uint32_t lovrAudioGetCaptureSampleCount();
+struct SoundData* lovrAudioCapture(uint32_t sampleCount, struct SoundData *soundData, uint32_t offset);