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Query the system sample rate on Windows and use it, rather than hardcode 96KHz

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This commit is contained in:
Lior Halphon 2022-07-08 19:51:10 +03:00
parent 88f5b22bf6
commit 0dbfaef4cf
4 changed files with 106 additions and 26 deletions
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20
OpenDialog/windows.c
View File

@ -1,5 +1,6 @@
#include <windows.h>
#include <shlobj.h>
#include <stdio.h>
#include "open_dialog.h"
static char *wc_to_utf8_alloc(const wchar_t *wide)
@ -66,23 +67,18 @@ char *do_save_recording_dialog(unsigned frequency)
{
OPENFILENAMEW dialog;
wchar_t filename[MAX_PATH + 5] = L"recording.wav";
static wchar_t filter[] = L"RIFF WAVE\0*.wav\0Apple AIFF\0*.aiff;*.aif;*.aifc\0Raw PCM (Stereo _______Hz, 16-bit LE)\0*.raw;*.pcm;\0All files\0*.*\0\0";
memset(&dialog, 0, sizeof(dialog));
dialog.lStructSize = sizeof(dialog);
dialog.lpstrFile = filename;
dialog.nMaxFile = MAX_PATH;
switch (frequency) {
case 96000:
dialog.lpstrFilter = L"RIFF WAVE\0*.wav\0Apple AIFF\0*.aiff;*.aif;*.aifc\0Raw PCM (Stereo 96000Hz, 16-bit LE)\0*.raw;*.pcm;\0All files\0*.*\0\0";
break;
case 48000:
dialog.lpstrFilter = L"RIFF WAVE\0*.wav\0Apple AIFF\0*.aiff;*.aif;*.aifc\0Raw PCM (Stereo 48000Hz, 16-bit LE)\0*.raw;*.pcm;\0All files\0*.*\0\0";
break;
case 44100:
default:
dialog.lpstrFilter = L"RIFF WAVE\0*.wav\0Apple AIFF\0*.aiff;*.aif;*.aifc\0Raw PCM (Stereo 44100Hz, 16-bit LE)\0*.raw;*.pcm;\0All files\0*.*\0\0";
break;
}
dialog.lpstrFilter = filter;
swprintf(filter + sizeof("RIFF WAVE\0*.wav\0Apple AIFF\0*.aiff;*.aif;*.aifc\0Raw PCM (Stereo ") - 1,
sizeof("_______Hz, 16-bit LE)"),
L"%dHz, 16-bit LE) ",
frequency);
dialog.nFilterIndex = 1;
dialog.lpstrInitialDir = NULL;
dialog.Flags = OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;

52
SDL/audio/xaudio2.c
View File

@ -1,8 +1,10 @@
#define COBJMACROS
#include "audio.h"
#include <Windows.h>
#include <xaudio2.h>
#include <Mmdeviceapi.h>
#define AUDIO_FREQUENCY 96000
static unsigned audio_frequency = 48000;
static IXAudio2 *xaudio2 = NULL;
static IXAudio2MasteringVoice *master_voice = NULL;
static IXAudio2SourceVoice *source_voice = NULL;
@ -12,11 +14,9 @@ static unsigned pos = 0;
#define BATCH_SIZE 256
static const WAVEFORMATEX wave_format = {
static WAVEFORMATEX wave_format = {
.wFormatTag = WAVE_FORMAT_PCM,
.nChannels = 2,
.nSamplesPerSec = AUDIO_FREQUENCY,
.nAvgBytesPerSec = AUDIO_FREQUENCY * 4,
.nBlockAlign = 4,
.wBitsPerSample = 16,
.cbSize = 0
@ -47,9 +47,45 @@ static void _audio_set_paused(bool paused)
}
#define _DEFINE_PROPERTYKEY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8, pid) static const PROPERTYKEY name = { { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } }, pid }
_DEFINE_PROPERTYKEY(_PKEY_AudioEngine_DeviceFormat, 0xf19f064d, 0x82c, 0x4e27, 0xbc, 0x73, 0x68, 0x82, 0xa1, 0xbb, 0x8e, 0x4c, 0);
static void update_frequency(void)
{
HRESULT hr;
IMMDevice *device = NULL;
IMMDeviceEnumerator *enumerator = NULL;
IPropertyStore *store = NULL;
PWAVEFORMATEX deviceFormatProperties;
PROPVARIANT prop;
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, &IID_IMMDeviceEnumerator, (LPVOID *)&enumerator);
if (FAILED(hr)) return;
// get default audio endpoint
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(enumerator, eRender, eMultimedia, &device);
if (FAILED(hr)) return;
hr = IMMDevice_OpenPropertyStore(device, STGM_READ, &store);
if (FAILED(hr)) return;
hr = IPropertyStore_GetValue(store, &_PKEY_AudioEngine_DeviceFormat, &prop);
if (FAILED(hr)) return;
deviceFormatProperties = (PWAVEFORMATEX)prop.blob.pBlobData;
audio_frequency = deviceFormatProperties->nSamplesPerSec;
if (audio_frequency < 8000 || audio_frequency > 192000) {
// Bogus value, revert to 48KHz
audio_frequency = 48000;
}
}
static unsigned _audio_get_frequency(void)
{
return AUDIO_FREQUENCY;
return audio_frequency;
}
static size_t _audio_get_queue_length(void)
@ -88,9 +124,11 @@ static bool _audio_init(void)
return false;
}
update_frequency();
hr = IXAudio2_CreateMasteringVoice(xaudio2, &master_voice,
2, // 2 channels
AUDIO_FREQUENCY,
audio_frequency,
0, // Flags
0, // Device index
NULL, // Effect chain
@ -101,6 +139,8 @@ static bool _audio_init(void)
return false;
}
wave_format.nSamplesPerSec = audio_frequency;
wave_format.nAvgBytesPerSec = audio_frequency * 4;
hr = IXAudio2_CreateSourceVoice(xaudio2, &source_voice, &wave_format, 0, XAUDIO2_DEFAULT_FREQ_RATIO, NULL, NULL, NULL);
if (FAILED(hr)) {

51
SDL/audio/xaudio2_7.c
View File

@ -1,8 +1,10 @@
#define COBJMACROS
#include "xaudio2_7.h"
#include "audio.h"
#include <Mmdeviceapi.h>
#define AUDIO_FREQUENCY 96000
static unsigned audio_frequency = 48000;
static IXAudio2 *xaudio2 = NULL;
static IXAudio2MasteringVoice *master_voice = NULL;
static IXAudio2SourceVoice *source_voice = NULL;
@ -13,11 +15,9 @@ static unsigned pos = 0;
#define BATCH_SIZE 256
static const WAVEFORMATEX wave_format = {
static WAVEFORMATEX wave_format = {
.wFormatTag = WAVE_FORMAT_PCM,
.nChannels = 2,
.nSamplesPerSec = AUDIO_FREQUENCY,
.nAvgBytesPerSec = AUDIO_FREQUENCY * 4,
.nBlockAlign = 4,
.wBitsPerSample = 16,
.cbSize = 0
@ -69,9 +69,44 @@ static void _audio_set_paused(bool paused)
}
#define _DEFINE_PROPERTYKEY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8, pid) static const PROPERTYKEY name = { { l, w1, w2, { b1, b2, b3, b4, b5, b6, b7, b8 } }, pid }
_DEFINE_PROPERTYKEY(_PKEY_AudioEngine_DeviceFormat, 0xf19f064d, 0x82c, 0x4e27, 0xbc, 0x73, 0x68, 0x82, 0xa1, 0xbb, 0x8e, 0x4c, 0);
static void update_frequency(void)
{
HRESULT hr;
IMMDevice *device = NULL;
IMMDeviceEnumerator *enumerator = NULL;
IPropertyStore *store = NULL;
PWAVEFORMATEX deviceFormatProperties;
PROPVARIANT prop;
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, &IID_IMMDeviceEnumerator, (LPVOID *)&enumerator);
if (FAILED(hr)) return;
// get default audio endpoint
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(enumerator, eRender, eMultimedia, &device);
if (FAILED(hr)) return;
hr = IMMDevice_OpenPropertyStore(device, STGM_READ, &store);
if (FAILED(hr)) return;
hr = IPropertyStore_GetValue(store, &_PKEY_AudioEngine_DeviceFormat, &prop);
if (FAILED(hr)) return;
deviceFormatProperties = (PWAVEFORMATEX)prop.blob.pBlobData;
audio_frequency = deviceFormatProperties->nSamplesPerSec;
if (audio_frequency < 8000 || audio_frequency > 192000) {
// Bogus value, revert to 48KHz
audio_frequency = 48000;
}
}
static unsigned _audio_get_frequency(void)
{
return AUDIO_FREQUENCY;
return audio_frequency;
}
static size_t _audio_get_queue_length(void)
@ -110,9 +145,11 @@ static bool _audio_init(void)
return false;
}
update_frequency();
hr = IXAudio2_CreateMasteringVoice(xaudio2, &master_voice,
2, // 2 channels
AUDIO_FREQUENCY,
audio_frequency,
0, // Flags
0, // Device index
NULL // Effect chain
@ -122,6 +159,8 @@ static bool _audio_init(void)
return false;
}
wave_format.nSamplesPerSec = audio_frequency;
wave_format.nAvgBytesPerSec = audio_frequency * 4;
hr = IXAudio2_CreateSourceVoice(xaudio2, &source_voice, &wave_format, 0, XAUDIO2_DEFAULT_FREQ_RATIO, NULL, NULL, NULL);
if (FAILED(hr)) {

5
SDL/audio/xaudio2_7.h
View File

@ -90,6 +90,7 @@ DEFINE_GUID(IID_##interfaceName, 0x##l, 0x##w1, 0x##w2, 0x##b1, 0x##b2, 0x##b3,
DEFINE_CLSID(XAudio2, 5a508685, a254, 4fba, 9b, 82, 9a, 24, b0, 03, 06, af);
DEFINE_IID(IXAudio2, 8bcf1f58, 9fe7, 4583, 8a, c6, e2, ad, c4, 65, c8, bb);
#define IXAudio2SourceVoice_Start(This,Flags,OperationSet) ((This)->lpVtbl->Start(This,Flags,OperationSet))
#define IXAudio2SourceVoice_Stop(This,Flags,OperationSet) ((This)->lpVtbl->Stop(This,Flags,OperationSet))
#define IXAudio2SourceVoice_SubmitSourceBuffer(This,pBuffer,pBufferWMA) ((This)->lpVtbl->SubmitSourceBuffer(This,pBuffer,pBufferWMA))
@ -101,3 +102,7 @@ DEFINE_IID(IXAudio2, 8bcf1f58, 9fe7, 4583, 8a, c6, e2, ad, c4, 65, c8, bb);
#define XAUDIO2_COMMIT_NOW 0
#define XAUDIO2_DEFAULT_PROCESSOR 0xffffffff
#define XAUDIO2_DEFAULT_FREQ_RATIO 2.0f
// WASAPI extras. This is a hack, but Windows itself is a hack so I don't care
DEFINE_CLSID(MMDeviceEnumerator, bcde0395, e52f, 467c, 8e, 3d, c4, 57, 92, 91, 69, 2e);
DEFINE_IID(IMMDeviceEnumerator, a95664d2, 9614, 4f35, a7, 46, de, 8d, b6, 36, 17, e6);