WARNING: REMOVED: Multichannel audio support API

It was quite restrictive and hacky implementation, just load multiple types same sound to play multiple instances.

examples/Makefile

@@ -531,7 +531,6 @@ AUDIO = \
     audio/audio_music_stream \
     audio/audio_raw_stream \
     audio/audio_sound_loading \
-    audio/audio_multichannel_sound \
     audio/audio_stream_effects
 
 CURRENT_MAKEFILE = $(lastword $(MAKEFILE_LIST))

examples/Makefile.Web

@@ -503,7 +503,6 @@ AUDIO = \
     audio/audio_music_stream \
     audio/audio_raw_stream \
     audio/audio_sound_loading \
-    audio/audio_multichannel_sound \
     audio/audio_stream_effects
 
 CURRENT_MAKEFILE = $(lastword $(MAKEFILE_LIST))
@@ -1006,11 +1005,6 @@ audio/audio_sound_loading: audio/audio_sound_loading.c
     --preload-file audio/resources/sound.wav@resources/sound.wav \
     --preload-file audio/resources/target.ogg@resources/target.ogg
 
-audio/audio_multichannel_sound: audio/audio_multichannel_sound.c
-	$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDE_PATHS) $(LDFLAGS) $(LDLIBS) -D$(PLATFORM) \
-    --preload-file audio/resources/sound.wav@resources/sound.wav \
-    --preload-file audio/resources/target.ogg@resources/target.ogg
-
 audio/audio_stream_effects: audio/audio_stream_effects.c
 	$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDE_PATHS) $(LDFLAGS) $(LDLIBS) -D$(PLATFORM) -s TOTAL_MEMORY=67108864 \
     --preload-file audio/resources/country.mp3@resources/country.mp3

examples/README.md

@@ -186,7 +186,6 @@ Examples using raylib audio functionality, including sound/music loading and pla
 | 118 | [audio_music_stream](audio/audio_music_stream.c) | <img src="audio/audio_music_stream.png" alt="audio_music_stream" width="80"> | ⭐️☆☆☆ | 1.3 | **4.2** | [Ray](https://github.com/raysan5) |
 | 119 | [audio_raw_stream](audio/audio_raw_stream.c) | <img src="audio/audio_raw_stream.png" alt="audio_raw_stream" width="80"> | ⭐️⭐️⭐️☆ | 1.6 | **4.2** | [Ray](https://github.com/raysan5) |
 | 120 | [audio_sound_loading](audio/audio_sound_loading.c) | <img src="audio/audio_sound_loading.png" alt="audio_sound_loading" width="80"> | ⭐️☆☆☆ | 1.1 | 3.5 | [Ray](https://github.com/raysan5) |
-| 121 | [audio_multichannel_sound](audio/audio_multichannel_sound.c) | <img src="audio/audio_multichannel_sound.png" alt="audio_multichannel_sound" width="80"> | ⭐️☆☆☆ | 3.0 | 3.5 | [Chris Camacho](https://github.com/codifies) |
 
 ### category: others
 

examples/audio/audio_multichannel_sound.c

@@ -1,78 +0,0 @@
-/*******************************************************************************************
-*
-*   raylib [audio] example - Multichannel sound playing
-*
-*   Example originally created with raylib 3.0, last time updated with raylib 3.5
-*
-*   Example contributed by Chris Camacho (@chriscamacho) and reviewed by Ramon Santamaria (@raysan5)
-*
-*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
-*   BSD-like license that allows static linking with closed source software
-*
-*   Copyright (c) 2019-2023 Chris Camacho (@chriscamacho) and Ramon Santamaria (@raysan5)
-*
-********************************************************************************************/
-
-#include "raylib.h"
-
-//------------------------------------------------------------------------------------
-// Program main entry point
-//------------------------------------------------------------------------------------
-int main(void)
-{
-    // Initialization
-    //--------------------------------------------------------------------------------------
-    const int screenWidth = 800;
-    const int screenHeight = 450;
-
-    InitWindow(screenWidth, screenHeight, "raylib [audio] example - Multichannel sound playing");
-
-    InitAudioDevice();      // Initialize audio device
-
-    Sound fxWav = LoadSound("resources/sound.wav");         // Load WAV audio file
-    Sound fxOgg = LoadSound("resources/target.ogg");        // Load OGG audio file
-
-    SetSoundVolume(fxWav, 0.2f);
-
-    SetTargetFPS(60);       // Set our game to run at 60 frames-per-second
-    //--------------------------------------------------------------------------------------
-
-    // Main game loop
-    while (!WindowShouldClose())    // Detect window close button or ESC key
-    {
-        // Update
-        //----------------------------------------------------------------------------------
-        if (IsKeyPressed(KEY_ENTER)) PlaySoundMulti(fxWav);     // Play a new wav sound instance
-        if (IsKeyPressed(KEY_SPACE)) PlaySoundMulti(fxOgg);     // Play a new ogg sound instance
-        //----------------------------------------------------------------------------------
-
-        // Draw
-        //----------------------------------------------------------------------------------
-        BeginDrawing();
-
-            ClearBackground(RAYWHITE);
-
-            DrawText("MULTICHANNEL SOUND PLAYING", 20, 20, 20, GRAY);
-            DrawText("Press SPACE to play new ogg instance!", 200, 120, 20, LIGHTGRAY);
-            DrawText("Press ENTER to play new wav instance!", 200, 180, 20, LIGHTGRAY);
-
-            DrawText(TextFormat("CONCURRENT SOUNDS PLAYING: %02i", GetSoundsPlaying()), 220, 280, 20, RED);
-
-        EndDrawing();
-        //----------------------------------------------------------------------------------
-    }
-
-    // De-Initialization
-    //--------------------------------------------------------------------------------------
-    StopSoundMulti();       // We must stop the buffer pool before unloading
-
-    UnloadSound(fxWav);     // Unload sound data
-    UnloadSound(fxOgg);     // Unload sound data
-
-    CloseAudioDevice();     // Close audio device
-
-    CloseWindow();          // Close window and OpenGL context
-    //--------------------------------------------------------------------------------------
-
-    return 0;
-}

projects/VS2022/examples/audio_multichannel_sound.vcxproj

@@ -1,390 +0,0 @@
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-      <AdditionalLibraryDirectories>$(SolutionDir)\build\raylib\bin\$(Platform)\$(Configuration)\</AdditionalLibraryDirectories>
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-    <PostBuildEvent>
-      <Command>xcopy /y /d  "$(SolutionDir)\build\raylib\bin\$(Platform)\$(Configuration)\raylib.dll" "$(SolutionDir)\build\$(ProjectName)\bin\$(Platform)\$(Configuration)"</Command>
-    </PostBuildEvent>
-    <PostBuildEvent>
-      <Message>Copy Release DLL to output directory</Message>
-    </PostBuildEvent>
-  </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release.DLL|x64'">
-    <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
-      <Optimization>MaxSpeed</Optimization>
-      <FunctionLevelLinking>true</FunctionLevelLinking>
-      <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions);PLATFORM_DESKTOP</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SolutionDir)..\..\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <CompileAs>CompileAsC</CompileAs>
-      <RemoveUnreferencedCodeData>true</RemoveUnreferencedCodeData>
-    </ClCompile>
-    <Link>
-      <SubSystem>Console</SubSystem>
-      <EnableCOMDATFolding>true</EnableCOMDATFolding>
-      <OptimizeReferences>true</OptimizeReferences>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>raylib.lib;opengl32.lib;kernel32.lib;user32.lib;gdi32.lib;winmm.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(SolutionDir)\build\raylib\bin\$(Platform)\$(Configuration)\</AdditionalLibraryDirectories>
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-    <PostBuildEvent>
-      <Message>Copy Release DLL to output directory</Message>
-    </PostBuildEvent>
-  </ItemDefinitionGroup>
-  <ItemGroup>
-    <ClCompile Include="..\..\..\examples\audio\audio_multichannel_sound.c" />
-  </ItemGroup>
-  <ItemGroup>
-    <ResourceCompile Include="..\..\..\src\raylib.rc" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\raylib\raylib.vcxproj">
-      <Project>{e89d61ac-55de-4482-afd4-df7242ebc859}</Project>
-    </ProjectReference>
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-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-  <ImportGroup Label="ExtensionTargets">
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-</Project>

projects/VS2022/raylib.sln

@@ -17,8 +17,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "textures_image_drawing", "e
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "audio_module_playing", "examples\audio_module_playing.vcxproj", "{E6784F91-4E4E-4956-A079-73FAB1AC7BE6}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "audio_multichannel_sound", "examples\audio_multichannel_sound.vcxproj", "{9875B0C8-3893-43F8-88B2-4BAAAE3E8E6F}"
-EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "audio_music_stream", "examples\audio_music_stream.vcxproj", "{BFB22AB2-041B-4A1B-80C0-1D4BE410C8A9}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "audio_raw_stream", "examples\audio_raw_stream.vcxproj", "{93A1F656-0D29-4C5E-B140-11F23FF5D6AB}"

src/raudio.c

@@ -377,11 +377,6 @@ typedef struct AudioData {
         int defaultSize;            // Default audio buffer size for audio streams
     } Buffer;
     rAudioProcessor *mixedProcessor;
-    struct {
-        unsigned int poolCounter;                               // AudioBuffer pointers pool counter
-        AudioBuffer *pool[MAX_AUDIO_BUFFER_POOL_CHANNELS];      // Multichannel AudioBuffer pointers pool
-        unsigned int channels[MAX_AUDIO_BUFFER_POOL_CHANNELS];  // AudioBuffer pool channels
-    } MultiChannel;
 } AudioData;
 
 //----------------------------------------------------------------------------------
@@ -1100,88 +1095,6 @@ void PlaySound(Sound sound)
     PlayAudioBuffer(sound.stream.buffer);
 }
 
-// Play a sound in the multichannel buffer pool
-void PlaySoundMulti(Sound sound)
-{
-    int index = -1;
-    unsigned int oldAge = 0;
-    int oldIndex = -1;
-
-    // find the first non-playing pool entry
-    for (int i = 0; i < MAX_AUDIO_BUFFER_POOL_CHANNELS; i++)
-    {
-        if (AUDIO.MultiChannel.channels[i] > oldAge)
-        {
-            oldAge = AUDIO.MultiChannel.channels[i];
-            oldIndex = i;
-        }
-
-        if (!IsAudioBufferPlaying(AUDIO.MultiChannel.pool[i]))
-        {
-            index = i;
-            break;
-        }
-    }
-
-    // If no none playing pool members can be indexed choose the oldest
-    if (index == -1)
-    {
-        TRACELOG(LOG_WARNING, "SOUND: Buffer pool is already full, count: %i", AUDIO.MultiChannel.poolCounter);
-
-        if (oldIndex == -1)
-        {
-            // Shouldn't be able to get here... but just in case something odd happens!
-            TRACELOG(LOG_WARNING, "SOUND: Buffer pool could not determine the oldest buffer not playing sound");
-            return;
-        }
-
-        index = oldIndex;
-
-        // Just in case...
-        StopAudioBuffer(AUDIO.MultiChannel.pool[index]);
-    }
-
-    // Experimentally mutex lock doesn't seem to be needed this makes sense
-    // as pool[index] isn't playing and the only stuff we're copying
-    // shouldn't be changing...
-
-    AUDIO.MultiChannel.channels[index] = AUDIO.MultiChannel.poolCounter;
-    AUDIO.MultiChannel.poolCounter++;
-
-    SetAudioBufferVolume(AUDIO.MultiChannel.pool[index], sound.stream.buffer->volume);
-    SetAudioBufferPitch(AUDIO.MultiChannel.pool[index], sound.stream.buffer->pitch);
-    SetAudioBufferPan(AUDIO.MultiChannel.pool[index], sound.stream.buffer->pan);
-
-    AUDIO.MultiChannel.pool[index]->looping = sound.stream.buffer->looping;
-    AUDIO.MultiChannel.pool[index]->usage = sound.stream.buffer->usage;
-    AUDIO.MultiChannel.pool[index]->isSubBufferProcessed[0] = false;
-    AUDIO.MultiChannel.pool[index]->isSubBufferProcessed[1] = false;
-    AUDIO.MultiChannel.pool[index]->sizeInFrames = sound.stream.buffer->sizeInFrames;
-
-    AUDIO.MultiChannel.pool[index]->data = sound.stream.buffer->data;       // Fill dummy track with data for playing
-
-    PlayAudioBuffer(AUDIO.MultiChannel.pool[index]);
-}
-
-// Stop any sound played with PlaySoundMulti()
-void StopSoundMulti(void)
-{
-    for (int i = 0; i < MAX_AUDIO_BUFFER_POOL_CHANNELS; i++) StopAudioBuffer(AUDIO.MultiChannel.pool[i]);
-}
-
-// Get number of sounds playing in the multichannel buffer pool
-int GetSoundsPlaying(void)
-{
-    int counter = 0;
-
-    for (int i = 0; i < MAX_AUDIO_BUFFER_POOL_CHANNELS; i++)
-    {
-        if (IsAudioBufferPlaying(AUDIO.MultiChannel.pool[i])) counter++;
-    }
-
-    return counter;
-}
-
 // Pause a sound
 void PauseSound(Sound sound)
 {

src/raylib.h

@@ -1530,9 +1530,6 @@ RLAPI void PlaySound(Sound sound);                                    // Play a
 RLAPI void StopSound(Sound sound);                                    // Stop playing a sound
 RLAPI void PauseSound(Sound sound);                                   // Pause a sound
 RLAPI void ResumeSound(Sound sound);                                  // Resume a paused sound
-RLAPI void PlaySoundMulti(Sound sound);                               // Play a sound (using multichannel buffer pool)
-RLAPI void StopSoundMulti(void);                                      // Stop any sound playing (using multichannel buffer pool)
-RLAPI int GetSoundsPlaying(void);                                     // Get number of sounds playing in the multichannel
 RLAPI bool IsSoundPlaying(Sound sound);                               // Check if a sound is currently playing
 RLAPI void SetSoundVolume(Sound sound, float volume);                 // Set volume for a sound (1.0 is max level)
 RLAPI void SetSoundPitch(Sound sound, float pitch);                   // Set pitch for a sound (1.0 is base level)