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AudioStream management functions.

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This commit is contained in:
jussi
2025-09-08 22:36:40 +03:00
parent de672a85d2
commit 3bedd89e1d
15 changed files with 901 additions and 5 deletions
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306
src/audio.c
View File

@@ -386,6 +386,21 @@ int laudioSetSoundPan( lua_State* L ) {
return 0;
}
/*
> stream = RL.GetSoundStream( Sound sound )
Get sound audio stream. Return as lightuserdata
- Success return AudioStream
*/
int laudioGetSoundStream( lua_State* L ) {
Sound* sound = uluaGetSound( L, 1 );
lua_pushlightuserdata( L, &sound->stream );
return 1;
}
/*
> RL.WaveFormat( Wave wave, int sampleRate, int sampleSize, int channels )
@@ -716,3 +731,294 @@ int laudioGetMusicTimePlayed( lua_State* L ) {
return 1;
}
static float arr[10] = {};
/*
> stream = RL.GetMusicStream( Music music )
Get music audio stream. Return as lightuserdata
- Success return AudioStream
*/
int laudioGetMusicStream( lua_State* L ) {
Music* music = uluaGetMusic( L, 1 );
lua_pushlightuserdata( L, &music->stream );
return 1;
}
/*
## Audio - AudioStream management functions
*/
/*
> audioStream = RL.LoadAudioStream( int sampleRate, int sampleSize, int channels )
Load audio stream (to stream raw audio pcm data)
- Success return AudioStream
*/
int laudioLoadAudioStream( lua_State* L ) {
int sampleRate = luaL_checkinteger( L, 1 );
int sampleSize = luaL_checkinteger( L, 2 );
int channels = luaL_checkinteger( L, 3 );
uluaPushAudioStream( L, LoadAudioStream( sampleRate, sampleSize, channels ) );
return 1;
}
/*
> isValid = RL.IsAudioStreamValid( AudioStream stream )
Checks if an audio stream is valid (buffers initialized)
- Success return bool
*/
int laudioIsAudioStreamValid( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
lua_pushboolean( L, IsAudioStreamValid( *stream ) );
return 1;
}
/*
> RL.UnloadAudioStream( AudioStream stream )
Unload audio stream and free memory
*/
int laudioUnloadAudioStream( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
uluaUnloadAudioStream( stream );
return 0;
}
/*
> RL.UpdateAudioStream( AudioStream stream, Buffer data, int frameCount )
Update audio stream buffers with data
*/
int laudioUpdateAudioStream( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
Buffer* buffer = uluaGetBuffer( L, 2 );
int frameCount = luaL_checkinteger( L, 3 );
UpdateAudioStream( *stream, buffer->data, frameCount );
return 0;
}
/*
> isProcessed = RL.IsAudioStreamProcessed( AudioStream stream )
Check if any audio stream buffers requires refill
- Success return bool
*/
int laudioIsAudioStreamProcessed( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
lua_pushboolean( L, IsAudioStreamProcessed( *stream ) );
return 1;
}
/*
> RL.PlayAudioStream( AudioStream stream )
Play audio stream
*/
int laudioPlayAudioStream( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
PlayAudioStream( *stream );
return 0;
}
/*
> RL.PauseAudioStream( AudioStream stream )
Pause audio stream
*/
int laudioPauseAudioStream( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
PauseAudioStream( *stream );
return 0;
}
/*
> RL.ResumeAudioStream( AudioStream stream )
Resume audio stream
*/
int laudioResumeAudioStream( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
ResumeAudioStream( *stream );
return 0;
}
/*
> isPlaying = RL.IsAudioStreamPlaying( AudioStream stream )
Check if audio stream is playing
- Success return bool
*/
int laudioIsAudioStreamPlaying( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
lua_pushboolean( L, IsAudioStreamPlaying( *stream ) );
return 1;
}
/*
> RL.StopAudioStream( AudioStream stream )
Stop audio stream
*/
int laudioStopAudioStream( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
StopAudioStream( *stream );
return 0;
}
/*
> RL.SetAudioStreamVolume( AudioStream stream, float volume )
Set volume for audio stream (1.0 is max level)
*/
int laudioSetAudioStreamVolume( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
float volume = luaL_checknumber( L, 2 );
SetAudioStreamVolume( *stream, volume );
return 0;
}
/*
> RL.SetAudioStreamPitch( AudioStream stream, float pitch )
Set pitch for audio stream (1.0 is base level)
*/
int laudioSetAudioStreamPitch( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
float pitch = luaL_checknumber( L, 2 );
SetAudioStreamPitch( *stream, pitch );
return 0;
}
/*
> RL.SetAudioStreamPan( AudioStream stream, float pan )
Set pan for audio stream (0.5 is centered)
*/
int laudioSetAudioStreamPan( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
float pan = luaL_checknumber( L, 2 );
SetAudioStreamPan( *stream, pan );
return 0;
}
/*
> RL.SetAudioStreamBufferSizeDefault( int size )
Default size for new audio streams
*/
int laudioSetAudioStreamBufferSizeDefault( lua_State* L ) {
int size = luaL_checkinteger( L, 1 );
SetAudioStreamBufferSizeDefault( size );
return 0;
}
/*
> RL.SetAudioStreamCallback( AudioStream stream, AudioCallback callback )
Audio thread callback to request new data.
AudioCallback should be lightuserdata function pointer
*/
int laudioSetAudioStreamCallback( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
AudioCallback callback = lua_touserdata( L, 2 );
SetAudioStreamCallback( *stream, callback );
return 0;
}
/*
> RL.AttachAudioStreamProcessor( AudioStream stream, AudioCallback processor )
Attach audio stream processor to stream, receives the samples as 'float'.
AudioCallback should be lightuserdata function pointer
*/
int laudioAttachAudioStreamProcessor( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
AudioCallback processor = lua_touserdata( L, 2 );
AttachAudioStreamProcessor( *stream, processor );
return 0;
}
/*
> RL.DetachAudioStreamProcessor( AudioStream stream, AudioCallback processor )
Detach audio stream processor from stream.
AudioCallback should be lightuserdata function pointer
*/
int laudioDetachAudioStreamProcessor( lua_State* L ) {
AudioStream* stream = uluaGetAudioStream( L, 1 );
AudioCallback processor = lua_touserdata( L, 2 );
DetachAudioStreamProcessor( *stream, processor );
return 0;
}
/*
> RL.AttachAudioMixedProcessor( AudioCallback processor )
Attach audio stream processor to the entire audio pipeline, receives the samples as 'float'.
AudioCallback should be lightuserdata function pointer
*/
int laudioAttachAudioMixedProcessor( lua_State* L ) {
AudioCallback processor = lua_touserdata( L, 1 );
AttachAudioMixedProcessor( processor );
return 0;
}
/*
> RL.DetachAudioMixedProcessor( AudioCallback processor )
Detach audio stream processor from the entire audio pipeline.
AudioCallback should be lightuserdata function pointer
*/
int laudioDetachAudioMixedProcessor( lua_State* L ) {
AudioCallback processor = lua_touserdata( L, 1 );
DetachAudioMixedProcessor( processor );
return 0;
}

6
src/core.c
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@@ -3821,7 +3821,11 @@ int lcoreSetBufferData( lua_State* L ) {
int len = uluaGetTableLen( L, 3 );
if ( position < 0 || buffer->size / getBufferElementSize( buffer ) <= ( position + len - 1 ) ) {
// printf( "buffer->size %d len %d position %d element size %d\n", buffer->size, len, position, getBufferElementSize( buffer ) );
// printf( "Kissa %d %d\n", buffer->size / getBufferElementSize( buffer ), position + len - 1 );
// if ( position < 0 || buffer->size / getBufferElementSize( buffer ) <= ( position + len - 1 ) ) {
if ( position < 0 || ( ( buffer->size / getBufferElementSize( buffer ) ) <= ( position + len - 1 ) ) ) {
TraceLog( state->logLevelInvalid, "SetBufferData. position %d out of bounds", position );
return 0;
}

84
src/lua_core.c
View File

@@ -254,6 +254,25 @@ static void defineMusic() {
lua_setfield( L, -2, "__gc" );
}
/* AudioStream. */
static int gcAudioStream( lua_State* L ) {
if ( state->gcUnload ) {
AudioStream* stream = luaL_checkudata( L, 1, "AudioStream" );
uluaUnloadAudioStream( stream );
}
return 0;
}
static void defineAudioStream() {
lua_State* L = state->luaState;
luaL_newmetatable( L, "AudioStream" );
lua_pushvalue( L, -1 );
lua_setfield( L, -2, "__index" );
lua_pushcfunction( L, gcAudioStream );
lua_setfield( L, -2, "__gc" );
}
/* Light. */
static void defineLight() {
lua_State* L = state->luaState;
@@ -1341,6 +1360,7 @@ bool luaInit( int argn, const char** argc ) {
defineSound();
defineSoundAlias();
defineMusic();
defineAudioStream();
defineLight();
defineMaterial();
defineMesh();
@@ -2319,6 +2339,27 @@ void luaRegister() {
assingGlobalFunction( "GetMusicLooping", laudioGetMusicLooping );
assingGlobalFunction( "GetMusicTimeLength", laudioGetMusicTimeLength );
assingGlobalFunction( "GetMusicTimePlayed", laudioGetMusicTimePlayed );
assingGlobalFunction( "GetMusicStream", laudioGetMusicStream );
/* AudioStream management functions. */
assingGlobalFunction( "LoadAudioStream", laudioLoadAudioStream );
assingGlobalFunction( "IsAudioStreamValid", laudioIsAudioStreamValid );
assingGlobalFunction( "UnloadAudioStream", laudioUnloadAudioStream );
assingGlobalFunction( "UpdateAudioStream", laudioUpdateAudioStream );
assingGlobalFunction( "IsAudioStreamProcessed", laudioIsAudioStreamProcessed );
assingGlobalFunction( "PlayAudioStream", laudioPlayAudioStream );
assingGlobalFunction( "PauseAudioStream", laudioPauseAudioStream );
assingGlobalFunction( "ResumeAudioStream", laudioResumeAudioStream );
assingGlobalFunction( "IsAudioStreamPlaying", laudioIsAudioStreamPlaying );
assingGlobalFunction( "StopAudioStream", laudioStopAudioStream );
assingGlobalFunction( "SetAudioStreamVolume", laudioSetAudioStreamVolume );
assingGlobalFunction( "SetAudioStreamPitch", laudioSetAudioStreamPitch );
assingGlobalFunction( "SetAudioStreamPan", laudioSetAudioStreamPan );
assingGlobalFunction( "SetAudioStreamBufferSizeDefault", laudioSetAudioStreamBufferSizeDefault );
assingGlobalFunction( "SetAudioStreamCallback", laudioSetAudioStreamCallback );
assingGlobalFunction( "AttachAudioStreamProcessor", laudioAttachAudioStreamProcessor );
assingGlobalFunction( "DetachAudioStreamProcessor", laudioDetachAudioStreamProcessor );
assingGlobalFunction( "AttachAudioMixedProcessor", laudioAttachAudioMixedProcessor );
assingGlobalFunction( "DetachAudioMixedProcessor", laudioDetachAudioMixedProcessor );
/* Math. */
/* Utils. */
@@ -3735,6 +3776,36 @@ Music* uluaGetMusic( lua_State* L, int index ) {
}
}
AudioStream* uluaGetAudioStream( lua_State* L, int index ) {
switch ( lua_type( L, index ) ) {
case LUA_TLIGHTUSERDATA:
return (AudioStream*)lua_touserdata( L, index );
case LUA_TTABLE:
int t = index, i = 0;
lua_pushnil( L );
while ( lua_next( L, t ) != 0 ) {
if ( TextIsEqual( "audioStream", lua_tostring( L, -2 ) ) ) {
AudioStream* stream = NULL;
if ( lua_islightuserdata( L, lua_gettop( L ) ) ) {
stream = lua_touserdata( L, lua_gettop( L ) );
}
else {
stream = luaL_checkudata( L, lua_gettop( L ), "AudioStream" );
}
lua_pop( L, 2 ); /* Pops also the string. */
return stream;
}
else {
lua_pop( L, 1 );
}
i++;
}
/* Don't brake here, we want to get error from default if not found. */
default:
return luaL_checkudata( L, index, "AudioStream" );
}
}
Light* uluaGetLight( lua_State* L, int index ) {
switch ( lua_type( L, index ) ) {
case LUA_TLIGHTUSERDATA:
@@ -4238,6 +4309,13 @@ void uluaPushMusic( lua_State* L, Music music ) {
luaL_setmetatable( L, "Music" );
}
void uluaPushAudioStream( lua_State* L, AudioStream stream ) {
AudioStream* streamP = lua_newuserdata( L, sizeof( AudioStream ) );
*streamP = stream;
luaCallLoad( "AudioStream", streamP );
luaL_setmetatable( L, "AudioStream" );
}
void uluaPushLight( lua_State* L, Light light ) {
Light* lightP = lua_newuserdata( L, sizeof( Light ) );
*lightP = light;
@@ -4361,6 +4439,12 @@ void uluaUnloadMusic( Music* music ) {
memset( music, 0, sizeof( Music ) );
}
void uluaUnloadAudioStream( AudioStream* stream ) {
luaCallUnload( "AudioStream", stream );
UnloadAudioStream( *stream );
memset( stream, 0, sizeof( AudioStream ) );
}
void uluaUnloadMaterial( Material* material, bool freeAll ) {
luaCallUnload( "Material", material );
if ( freeAll ) {