瀏覽代碼

removed enums

Joshua Reisenauer 9 年之前
父節點
當前提交
34e5fcf47e
共有 3 個文件被更改,包括 29 次插入33 次删除
  1. 19 17
      src/audio.c
  2. 5 8
      src/audio.h
  3. 5 8
      src/raylib.h

+ 19 - 17
src/audio.c

@@ -59,6 +59,7 @@
 // Defines and Macros
 //----------------------------------------------------------------------------------
 #define MUSIC_STREAM_BUFFERS        2
+#define MAX_AUDIO_CONTEXTS          4
 
 #if defined(PLATFORM_RPI) || defined(PLATFORM_ANDROID)
     // NOTE: On RPI and Android should be lower to avoid frame-stalls
@@ -95,9 +96,9 @@ typedef struct Music {
 // a dedicated mix channel.
 typedef struct AudioContext_t {
     unsigned short sampleRate;         // default is 48000
-    BPS bitsPerSample;                 // 16 is default
-    mix_t mixChannel;                  // 0-3 or mixA-mixD, each mix channel can receive up to one dedicated audio stream
-    channel_t channels;                // 1=mono, 2=stereo
+    unsigned char bitsPerSample;       // 16 is default
+    unsigned char mixChannel;          // 0-3 or mixA-mixD, each mix channel can receive up to one dedicated audio stream
+    unsigned char channels;            // 1=mono, 2=stereo
     ALenum alFormat;                   // openAL format specifier
     ALuint alSource;                   // openAL source
     ALuint alBuffer[2];                // openAL sample buffer
@@ -110,10 +111,10 @@ typedef enum { INFO = 0, ERROR, WARNING, DEBUG, OTHER } TraceLogType;
 //----------------------------------------------------------------------------------
 // Global Variables Definition
 //----------------------------------------------------------------------------------
-static AudioContext_t* mixChannelsActive_g[4]; // What mix channels are currently active
+static AudioContext_t* mixChannelsActive_g[MAX_AUDIO_CONTEXTS]; // What mix channels are currently active
 static bool musicEnabled = false;
-static Music currentMusic;                   // Current music loaded
-                                             // NOTE: Only one music file playing at a time
+static Music currentMusic;          // Current music loaded
+                                    // NOTE: Only one music file playing at a time
 
 //----------------------------------------------------------------------------------
 // Module specific Functions Declaration
@@ -179,7 +180,7 @@ void CloseAudioDevice(void)
 }
 
 // True if call to InitAudioDevice() was successful and CloseAudioDevice() has not been called yet
-bool AudioDeviceReady(void)
+bool IsAudioDeviceReady(void)
 {
     ALCcontext *context = alcGetCurrentContext();
     if (context == NULL) return false;
@@ -195,11 +196,12 @@ bool AudioDeviceReady(void)
 //----------------------------------------------------------------------------------
 
 // Audio contexts are for outputing custom audio waveforms, This will shut down any other sound sources currently playing
-// The mix_t is what mix channel you want to operate on, mixA->mixD are the ones available. Each mix channel can only be used one at a time.
-// exmple usage is InitAudioContext(48000, sixteenBPS, mixA, stereo);
-AudioContext InitAudioContext(unsigned short sampleRate, BPS bitsPerSample, mix_t mixChannel, channel_t channels)
+// The mixChannel is what mix channel you want to operate on, 0-3 are the ones available. Each mix channel can only be used one at a time.
+// exmple usage is InitAudioContext(48000, 16, 0, 2); // stereo, mixchannel 1, 16bit, 48khz
+AudioContext InitAudioContext(unsigned short sampleRate, unsigned char bitsPerSample, unsigned char mixChannel, unsigned char channels)
 {
-    if(!AudioDeviceReady()) InitAudioDevice();
+    if(mixChannel > MAX_AUDIO_CONTEXTS) return NULL;
+    if(!IsAudioDeviceReady()) InitAudioDevice();
     else StopMusicStream();
     
     if(!mixChannelsActive_g[mixChannel]){
@@ -211,15 +213,15 @@ AudioContext InitAudioContext(unsigned short sampleRate, BPS bitsPerSample, mix_
         mixChannelsActive_g[mixChannel] = ac;
         
         // setup openAL format
-        if (channels == mono)
+        if (channels == 1)
         {
-            if (bitsPerSample == eightBPS ) ac->alFormat = AL_FORMAT_MONO8;
-            else if (bitsPerSample == sixteenBPS) ac->alFormat = AL_FORMAT_MONO16;
+            if (bitsPerSample == 8 ) ac->alFormat = AL_FORMAT_MONO8;
+            else if (bitsPerSample == 16) ac->alFormat = AL_FORMAT_MONO16;
         }
-        else if (channels == stereo)
+        else if (channels == 2)
         {
-            if (bitsPerSample == eightBPS ) ac->alFormat = AL_FORMAT_STEREO8;
-            else if (bitsPerSample == sixteenBPS) ac->alFormat = AL_FORMAT_STEREO16;
+            if (bitsPerSample == 8 ) ac->alFormat = AL_FORMAT_STEREO8;
+            else if (bitsPerSample == 16) ac->alFormat = AL_FORMAT_STEREO16;
         }
         
         // Create an audio source

+ 5 - 8
src/audio.h

@@ -45,9 +45,6 @@
         typedef enum { false, true } bool;
     #endif
 #endif
-typedef enum { silence, mono, stereo } channel_t;    // number of audio sources per sample
-typedef enum { mixA, mixB, mixC, mixD } mix_t;       // Used for mixing/muxing up to four diferent audio samples
-typedef enum { eightBPS, sixteenBPS } BPS;           // Either 8 or 16 bit quality samples
 
 // Sound source type
 typedef struct Sound {
@@ -83,13 +80,13 @@ extern "C" {            // Prevents name mangling of functions
 //----------------------------------------------------------------------------------
 void InitAudioDevice(void);                                     // Initialize audio device and context
 void CloseAudioDevice(void);                                    // Close the audio device and context (and music stream)
-bool AudioDeviceReady(void);                                    // True if call to InitAudioDevice() was successful and CloseAudioDevice() has not been called yet
+bool IsAudioDeviceReady(void);                                  // True if call to InitAudioDevice() was successful and CloseAudioDevice() has not been called yet
 
 // Audio contexts are for outputing custom audio waveforms, This will shut down any other sound sources currently playing
-// The mix_t is what mix channel you want to operate on, mixA->mixD are the ones available. Each mix channel can only be used one at a time.
-// exmple usage is InitAudioContext(48000, 16, mixA, stereo);
-AudioContext InitAudioContext(unsigned short sampleRate, BPS bitsPerSample, mix_t mixChannel, channel_t channels);
-void CloseAudioContext(AudioContext ctx);                      // Frees audio context
+// The mixChannel is what mix channel you want to operate on, 0-3 are the ones available. Each mix channel can only be used one at a time.
+// exmple usage is InitAudioContext(48000, 16, 0, 2); // stereo, mixchannel 1, 16bit, 48khz
+AudioContext InitAudioContext(unsigned short sampleRate, unsigned char bitsPerSample, unsigned char mixChannel, unsigned char channels);
+void CloseAudioContext(AudioContext ctx);                       // Frees audio context
 void UpdateAudioContext(AudioContext ctx, void *data, unsigned short *dataLength); // Pushes more audio data into context mix channel, if none are ever pushed then zeros are fed in
 
 Sound LoadSound(char *fileName);                                // Load sound to memory

+ 5 - 8
src/raylib.h

@@ -265,9 +265,6 @@
         typedef enum { false, true } bool;
     #endif
 #endif
-typedef enum { silence, mono, stereo } channel_t;    // number of audio sources per sample
-typedef enum { mixA, mixB, mixC, mixD } mix_t;       // Used for mixing/muxing up to four diferent audio samples
-typedef enum { eightBPS, sixteenBPS } BPS;           // Either 8 or 16 bit quality samples
 
 // byte type
 typedef unsigned char byte;
@@ -871,13 +868,13 @@ void DrawPhysicObjectInfo(PhysicObject *pObj, Vector2 position, int fontSize);
 //------------------------------------------------------------------------------------
 void InitAudioDevice(void);                                     // Initialize audio device and context
 void CloseAudioDevice(void);                                    // Close the audio device and context (and music stream)
-bool AudioDeviceReady(void);                                    // True if call to InitAudioDevice() was successful and CloseAudioDevice() has not been called yet
+bool IsAudioDeviceReady(void);                                  // True if call to InitAudioDevice() was successful and CloseAudioDevice() has not been called yet
 
 // Audio contexts are for outputing custom audio waveforms, This will shut down any other sound sources currently playing
-// The mix_t is what mix channel you want to operate on, mixA->mixD are the ones available. Each mix channel can only be used one at a time.
-// exmple usage is InitAudioContext(48000, 16, mixA, stereo);
-AudioContext InitAudioContext(unsigned short sampleRate, BPS bitsPerSample, mix_t mixChannel, channel_t channels);
-void CloseAudioContext(AudioContext ctx);                      // Frees audio context
+// The mixChannel is what mix channel you want to operate on, 0-3 are the ones available. Each mix channel can only be used one at a time.
+// exmple usage is InitAudioContext(48000, 16, 0, 2); // stereo, mixchannel 1, 16bit, 48khz
+AudioContext InitAudioContext(unsigned short sampleRate, unsigned char bitsPerSample, unsigned char mixChannel, unsigned char channels);
+void CloseAudioContext(AudioContext ctx);                       // Frees audio context
 void UpdateAudioContext(AudioContext ctx, void *data, unsigned short *dataLength); // Pushes more audio data into context mix channel, if none are ever pushed then zeros are fed in
 
 Sound LoadSound(char *fileName);                                // Load sound to memory