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https://github.com/ClassiCube/ClassiCube.git
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Move OpenAL backend code to before WinMM backend
This makes it easy to compile windows backend to use OpenAL instead of Windows. Now just need to do -DCC_BUILD_OPENAL instead of having to go through CC_BUILD_MANUAL process
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UnknownShadow200
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dd0635eec7
238
src/Audio.c
238
src/Audio.c
@ -59,125 +59,7 @@ static void Volume_Mix16(cc_int16* samples, int count, int volume) {
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*------------------------------------------------Native implementation----------------------------------------------------*
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*#########################################################################################################################*/
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static cc_result Audio_AllCompleted(AudioHandle handle, cc_bool* finished);
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#if defined CC_BUILD_WINMM
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#define WIN32_LEAN_AND_MEAN
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#define NOSERVICE
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#define NOMCX
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#define NOIME
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#ifndef UNICODE
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#define UNICODE
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#define _UNICODE
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#endif
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#include <windows.h>
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#include <mmsystem.h>
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struct AudioContext {
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HWAVEOUT handle;
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WAVEHDR headers[AUDIO_MAX_BUFFERS];
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struct AudioFormat format;
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int count;
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};
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static struct AudioContext audioContexts[20];
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static cc_bool Audio_SysInit(void) { return true; }
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static void Audio_SysFree(void) { }
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void Audio_Open(AudioHandle* handle, int buffers) {
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struct AudioContext* ctx;
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int i, j;
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for (i = 0; i < Array_Elems(audioContexts); i++) {
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ctx = &audioContexts[i];
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if (ctx->count) continue;
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for (j = 0; j < buffers; j++) {
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ctx->headers[j].dwFlags = WHDR_DONE;
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}
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*handle = i;
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ctx->count = buffers;
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return;
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}
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Logger_Abort("No free audio contexts");
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}
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cc_result Audio_Close(AudioHandle handle) {
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struct AudioFormat fmt = { 0 };
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struct AudioContext* ctx;
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cc_result res;
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ctx = &audioContexts[handle];
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ctx->count = 0;
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ctx->format = fmt;
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if (!ctx->handle) return 0;
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res = waveOutClose(ctx->handle);
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ctx->handle = NULL;
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return res;
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}
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cc_result Audio_SetFormat(AudioHandle handle, struct AudioFormat* format) {
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struct AudioContext* ctx = &audioContexts[handle];
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struct AudioFormat* cur = &ctx->format;
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WAVEFORMATEX fmt;
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int sampleSize;
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cc_result res;
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if (AudioFormat_Eq(cur, format)) return 0;
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if (ctx->handle && (res = waveOutClose(ctx->handle))) return res;
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sampleSize = format->channels * 2; /* 16 bits per sample / 8 */
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fmt.wFormatTag = WAVE_FORMAT_PCM;
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fmt.nChannels = format->channels;
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fmt.nSamplesPerSec = format->sampleRate;
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fmt.nAvgBytesPerSec = format->sampleRate * sampleSize;
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fmt.nBlockAlign = sampleSize;
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fmt.wBitsPerSample = 16;
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fmt.cbSize = 0;
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ctx->format = *format;
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return waveOutOpen(&ctx->handle, WAVE_MAPPER, &fmt, 0, 0, CALLBACK_NULL);
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}
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cc_result Audio_BufferData(AudioHandle handle, int idx, void* data, cc_uint32 dataSize) {
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struct AudioContext* ctx = &audioContexts[handle];
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WAVEHDR* hdr = &ctx->headers[idx];
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cc_result res;
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Mem_Set(hdr, 0, sizeof(WAVEHDR));
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hdr->lpData = (LPSTR)data;
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hdr->dwBufferLength = dataSize;
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hdr->dwLoops = 1;
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if ((res = waveOutPrepareHeader(ctx->handle, hdr, sizeof(WAVEHDR)))) return res;
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if ((res = waveOutWrite(ctx->handle, hdr, sizeof(WAVEHDR)))) return res;
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return 0;
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}
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cc_result Audio_Play(AudioHandle handle) { return 0; }
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cc_result Audio_Stop(AudioHandle handle) {
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struct AudioContext* ctx = &audioContexts[handle];
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if (!ctx->handle) return 0;
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return waveOutReset(ctx->handle);
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}
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cc_result Audio_IsCompleted(AudioHandle handle, int idx, cc_bool* completed) {
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struct AudioContext* ctx = &audioContexts[handle];
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WAVEHDR* hdr = &ctx->headers[idx];
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*completed = false;
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if (!(hdr->dwFlags & WHDR_DONE)) return 0;
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cc_result res = 0;
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if (hdr->dwFlags & WHDR_PREPARED) {
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res = waveOutUnprepareHeader(ctx->handle, hdr, sizeof(WAVEHDR));
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}
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*completed = true; return res;
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}
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cc_result Audio_IsFinished(AudioHandle handle, cc_bool* finished) { return Audio_AllCompleted(handle, finished); }
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#elif defined CC_BUILD_OPENAL
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#if defined CC_BUILD_OPENAL
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/* Simpler to just include subset of OpenAL actually use here instead of including */
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#if defined _WIN32
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#define APIENTRY __cdecl
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@ -454,6 +336,124 @@ cc_result Audio_IsFinished(AudioHandle handle, cc_bool* finished) {
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_alGetSourcei(ctx->source, AL_SOURCE_STATE, &state);
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*finished = state != AL_PLAYING; return 0;
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}
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#elif defined CC_BUILD_WINMM
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#define WIN32_LEAN_AND_MEAN
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#define NOSERVICE
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#define NOMCX
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#define NOIME
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#ifndef UNICODE
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#define UNICODE
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#define _UNICODE
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#endif
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#include <windows.h>
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#include <mmsystem.h>
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struct AudioContext {
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HWAVEOUT handle;
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WAVEHDR headers[AUDIO_MAX_BUFFERS];
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struct AudioFormat format;
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int count;
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};
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static struct AudioContext audioContexts[20];
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static cc_bool Audio_SysInit(void) { return true; }
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static void Audio_SysFree(void) { }
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void Audio_Open(AudioHandle* handle, int buffers) {
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struct AudioContext* ctx;
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int i, j;
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for (i = 0; i < Array_Elems(audioContexts); i++) {
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ctx = &audioContexts[i];
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if (ctx->count) continue;
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for (j = 0; j < buffers; j++) {
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ctx->headers[j].dwFlags = WHDR_DONE;
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}
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*handle = i;
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ctx->count = buffers;
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return;
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}
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Logger_Abort("No free audio contexts");
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}
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cc_result Audio_Close(AudioHandle handle) {
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struct AudioFormat fmt = { 0 };
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struct AudioContext* ctx;
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cc_result res;
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ctx = &audioContexts[handle];
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ctx->count = 0;
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ctx->format = fmt;
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if (!ctx->handle) return 0;
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res = waveOutClose(ctx->handle);
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ctx->handle = NULL;
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return res;
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}
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cc_result Audio_SetFormat(AudioHandle handle, struct AudioFormat* format) {
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struct AudioContext* ctx = &audioContexts[handle];
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struct AudioFormat* cur = &ctx->format;
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WAVEFORMATEX fmt;
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int sampleSize;
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cc_result res;
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if (AudioFormat_Eq(cur, format)) return 0;
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if (ctx->handle && (res = waveOutClose(ctx->handle))) return res;
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sampleSize = format->channels * 2; /* 16 bits per sample / 8 */
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fmt.wFormatTag = WAVE_FORMAT_PCM;
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fmt.nChannels = format->channels;
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fmt.nSamplesPerSec = format->sampleRate;
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fmt.nAvgBytesPerSec = format->sampleRate * sampleSize;
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fmt.nBlockAlign = sampleSize;
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fmt.wBitsPerSample = 16;
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fmt.cbSize = 0;
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ctx->format = *format;
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return waveOutOpen(&ctx->handle, WAVE_MAPPER, &fmt, 0, 0, CALLBACK_NULL);
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}
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cc_result Audio_BufferData(AudioHandle handle, int idx, void* data, cc_uint32 dataSize) {
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struct AudioContext* ctx = &audioContexts[handle];
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WAVEHDR* hdr = &ctx->headers[idx];
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cc_result res;
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Mem_Set(hdr, 0, sizeof(WAVEHDR));
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hdr->lpData = (LPSTR)data;
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hdr->dwBufferLength = dataSize;
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hdr->dwLoops = 1;
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if ((res = waveOutPrepareHeader(ctx->handle, hdr, sizeof(WAVEHDR)))) return res;
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if ((res = waveOutWrite(ctx->handle, hdr, sizeof(WAVEHDR)))) return res;
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return 0;
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}
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cc_result Audio_Play(AudioHandle handle) { return 0; }
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cc_result Audio_Stop(AudioHandle handle) {
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struct AudioContext* ctx = &audioContexts[handle];
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if (!ctx->handle) return 0;
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return waveOutReset(ctx->handle);
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}
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cc_result Audio_IsCompleted(AudioHandle handle, int idx, cc_bool* completed) {
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struct AudioContext* ctx = &audioContexts[handle];
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WAVEHDR* hdr = &ctx->headers[idx];
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*completed = false;
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if (!(hdr->dwFlags & WHDR_DONE)) return 0;
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cc_result res = 0;
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if (hdr->dwFlags & WHDR_PREPARED) {
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res = waveOutUnprepareHeader(ctx->handle, hdr, sizeof(WAVEHDR));
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}
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*completed = true; return res;
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}
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cc_result Audio_IsFinished(AudioHandle handle, cc_bool* finished) { return Audio_AllCompleted(handle, finished); }
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#endif
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static cc_result Audio_AllCompleted(AudioHandle handle, cc_bool* finished) {
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