mirror of
https://github.com/Ryujinx/libsoundio.git
synced 2024-12-22 22:15:29 +00:00
WASAPI: get formats for shared and exclusive devices
This commit is contained in:
Andrew Kelley
parent
709fc5fa19
commit
1f58cdc0bd
|
|
@ -254,7 +254,6 @@ view `coverage/index.html` in a browser.
|
|||
- raw mode
|
||||
- channel layout
|
||||
- period duration
|
||||
- formats
|
||||
- watching
|
||||
- sine wave
|
||||
- microphone
|
||||
|
|
|
|||
|
|
@ -112,8 +112,8 @@ int soundio_get_bytes_per_sample(enum SoundIoFormat format) {
|
|||
|
||||
const char * soundio_format_string(enum SoundIoFormat format) {
|
||||
switch (format) {
|
||||
case SoundIoFormatU8: return "signed 8-bit";
|
||||
case SoundIoFormatS8: return "unsigned 8-bit";
|
||||
case SoundIoFormatS8: return "signed 8-bit";
|
||||
case SoundIoFormatU8: return "unsigned 8-bit";
|
||||
case SoundIoFormatS16LE: return "signed 16-bit LE";
|
||||
case SoundIoFormatS16BE: return "signed 16-bit BE";
|
||||
case SoundIoFormatU16LE: return "unsigned 16-bit LE";
|
||||
|
|
|
|||
251
src/wasapi.cpp
251
src/wasapi.cpp
|
|
@ -28,6 +28,39 @@ const static GUID SOUNDIO_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = {
|
|||
const static GUID SOUNDIO_KSDATAFORMAT_SUBTYPE_PCM = {
|
||||
0x00000001,0x0000,0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
|
||||
|
||||
// Adding more common sample rates helps the heuristics; feel free to do that.
|
||||
static int test_sample_rates[] = {
|
||||
8000,
|
||||
11025,
|
||||
16000,
|
||||
22050,
|
||||
32000,
|
||||
37800,
|
||||
44056,
|
||||
44100,
|
||||
47250,
|
||||
48000,
|
||||
50000,
|
||||
50400,
|
||||
88200,
|
||||
96000,
|
||||
176400,
|
||||
192000,
|
||||
352800,
|
||||
2822400,
|
||||
5644800,
|
||||
};
|
||||
|
||||
// If you modify this list, also modify `to_wave_format` appropriately.
|
||||
static SoundIoFormat test_formats[] = {
|
||||
SoundIoFormatU8,
|
||||
SoundIoFormatS16LE,
|
||||
SoundIoFormatS24LE,
|
||||
SoundIoFormatS32LE,
|
||||
SoundIoFormatFloat32LE,
|
||||
SoundIoFormatFloat64LE,
|
||||
};
|
||||
|
||||
// converts a windows wide string to a UTF-8 encoded char *
|
||||
// Possible errors:
|
||||
// * SoundIoErrorNoMem
|
||||
|
|
@ -127,6 +160,44 @@ static SoundIoFormat from_wave_format_format(WAVEFORMATEXTENSIBLE *wave_format)
|
|||
return SoundIoFormatInvalid;
|
||||
}
|
||||
|
||||
// only needs to support the formats in test_formats
|
||||
static void to_wave_format(SoundIoFormat format, WAVEFORMATEXTENSIBLE *wave_format) {
|
||||
switch (format) {
|
||||
case SoundIoFormatU8:
|
||||
wave_format->SubFormat = SOUNDIO_KSDATAFORMAT_SUBTYPE_PCM;
|
||||
wave_format->Format.wBitsPerSample = 8;
|
||||
wave_format->Samples.wValidBitsPerSample = 8;
|
||||
break;
|
||||
case SoundIoFormatS16LE:
|
||||
wave_format->SubFormat = SOUNDIO_KSDATAFORMAT_SUBTYPE_PCM;
|
||||
wave_format->Format.wBitsPerSample = 16;
|
||||
wave_format->Samples.wValidBitsPerSample = 16;
|
||||
break;
|
||||
case SoundIoFormatS24LE:
|
||||
wave_format->SubFormat = SOUNDIO_KSDATAFORMAT_SUBTYPE_PCM;
|
||||
wave_format->Format.wBitsPerSample = 32;
|
||||
wave_format->Samples.wValidBitsPerSample = 24;
|
||||
break;
|
||||
case SoundIoFormatS32LE:
|
||||
wave_format->SubFormat = SOUNDIO_KSDATAFORMAT_SUBTYPE_PCM;
|
||||
wave_format->Format.wBitsPerSample = 32;
|
||||
wave_format->Samples.wValidBitsPerSample = 32;
|
||||
break;
|
||||
case SoundIoFormatFloat32LE:
|
||||
wave_format->SubFormat = SOUNDIO_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
|
||||
wave_format->Format.wBitsPerSample = 32;
|
||||
wave_format->Samples.wValidBitsPerSample = 32;
|
||||
break;
|
||||
case SoundIoFormatFloat64LE:
|
||||
wave_format->SubFormat = SOUNDIO_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
|
||||
wave_format->Format.wBitsPerSample = 64;
|
||||
wave_format->Samples.wValidBitsPerSample = 64;
|
||||
break;
|
||||
default:
|
||||
soundio_panic("to_wave_format: unsupported format");
|
||||
}
|
||||
}
|
||||
|
||||
static SoundIoDeviceAim data_flow_to_aim(EDataFlow data_flow) {
|
||||
return (data_flow == eRender) ? SoundIoDeviceAimOutput : SoundIoDeviceAimInput;
|
||||
}
|
||||
|
|
@ -136,6 +207,13 @@ static double from_reference_time(REFERENCE_TIME rt) {
|
|||
return ((double)rt) / 10000000.0;
|
||||
}
|
||||
|
||||
static void destruct_device(SoundIoDevicePrivate *dev) {
|
||||
SoundIoDeviceWasapi *dw = &dev->backend_data.wasapi;
|
||||
if (dw->audio_client)
|
||||
IUnknown_Release(dw->audio_client);
|
||||
dw->sample_rates.deinit();
|
||||
}
|
||||
|
||||
struct RefreshDevices {
|
||||
IMMDeviceCollection *collection;
|
||||
IMMDevice *mm_device;
|
||||
|
|
@ -180,11 +258,128 @@ static void deinit_refresh_devices(RefreshDevices *rd) {
|
|||
CoTaskMemFree(rd->wave_format);
|
||||
}
|
||||
|
||||
static void destruct_device(SoundIoDevicePrivate *dev) {
|
||||
static int detect_valid_formats(RefreshDevices *rd, WAVEFORMATEXTENSIBLE *wave_format,
|
||||
SoundIoDevicePrivate *dev, AUDCLNT_SHAREMODE share_mode)
|
||||
{
|
||||
SoundIoDevice *device = &dev->pub;
|
||||
SoundIoDeviceWasapi *dw = &dev->backend_data.wasapi;
|
||||
if (dw->audio_client)
|
||||
IUnknown_Release(dw->audio_client);
|
||||
HRESULT hr;
|
||||
|
||||
device->format_count = 0;
|
||||
device->formats = allocate<SoundIoFormat>(array_length(test_formats));
|
||||
if (!device->formats)
|
||||
return SoundIoErrorNoMem;
|
||||
|
||||
WAVEFORMATEX *closest_match = nullptr;
|
||||
WAVEFORMATEXTENSIBLE orig_wave_format = *wave_format;
|
||||
|
||||
for (int i = 0; i < array_length(test_formats); i += 1) {
|
||||
SoundIoFormat test_format = test_formats[i];
|
||||
to_wave_format(test_format, wave_format);
|
||||
|
||||
HRESULT hr = IAudioClient_IsFormatSupported(dw->audio_client, share_mode,
|
||||
(WAVEFORMATEX*)wave_format, &closest_match);
|
||||
if (closest_match) {
|
||||
CoTaskMemFree(closest_match);
|
||||
closest_match = nullptr;
|
||||
}
|
||||
if (hr == S_OK) {
|
||||
device->formats[device->format_count++] = test_format;
|
||||
} else if (hr == AUDCLNT_E_UNSUPPORTED_FORMAT || hr == S_FALSE || hr == E_INVALIDARG) {
|
||||
continue;
|
||||
} else {
|
||||
*wave_format = orig_wave_format;
|
||||
return SoundIoErrorOpeningDevice;
|
||||
}
|
||||
}
|
||||
|
||||
*wave_format = orig_wave_format;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int add_sample_rate(SoundIoList<SoundIoSampleRateRange> *sample_rates, int *current_min, int the_max) {
|
||||
int err;
|
||||
if ((err = sample_rates->add_one()))
|
||||
return err;
|
||||
|
||||
SoundIoSampleRateRange *last_range = &sample_rates->last();
|
||||
last_range->min = *current_min;
|
||||
last_range->max = the_max;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int do_sample_rate_test(SoundIoDevicePrivate *dev, WAVEFORMATEXTENSIBLE *wave_format,
|
||||
int test_sample_rate, AUDCLNT_SHAREMODE share_mode, int *current_min, int *last_success_rate)
|
||||
{
|
||||
SoundIoDeviceWasapi *dw = &dev->backend_data.wasapi;
|
||||
WAVEFORMATEX *closest_match = nullptr;
|
||||
int err;
|
||||
|
||||
wave_format->Format.nSamplesPerSec = test_sample_rate;
|
||||
HRESULT hr = IAudioClient_IsFormatSupported(dw->audio_client, share_mode,
|
||||
(WAVEFORMATEX*)wave_format, &closest_match);
|
||||
if (closest_match) {
|
||||
CoTaskMemFree(closest_match);
|
||||
closest_match = nullptr;
|
||||
}
|
||||
if (hr == S_OK) {
|
||||
if (*current_min == -1) {
|
||||
*current_min = test_sample_rate;
|
||||
}
|
||||
*last_success_rate = test_sample_rate;
|
||||
} else if (hr == AUDCLNT_E_UNSUPPORTED_FORMAT || hr == S_FALSE || hr == E_INVALIDARG) {
|
||||
if (*current_min != -1) {
|
||||
if ((err = add_sample_rate(&dw->sample_rates, current_min, *last_success_rate)))
|
||||
return err;
|
||||
*current_min = -1;
|
||||
}
|
||||
} else {
|
||||
return SoundIoErrorOpeningDevice;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int detect_valid_sample_rates(RefreshDevices *rd, WAVEFORMATEXTENSIBLE *wave_format,
|
||||
SoundIoDevicePrivate *dev, AUDCLNT_SHAREMODE share_mode)
|
||||
{
|
||||
SoundIoDeviceWasapi *dw = &dev->backend_data.wasapi;
|
||||
int err;
|
||||
|
||||
DWORD orig_sample_rate = wave_format->Format.nSamplesPerSec;
|
||||
|
||||
assert(dw->sample_rates.length == 0);
|
||||
|
||||
int current_min = -1;
|
||||
int last_success_rate = -1;
|
||||
for (int i = 0; i < array_length(test_sample_rates); i += 1) {
|
||||
for (int offset = -1; offset <= 1; offset += 1) {
|
||||
int test_sample_rate = test_sample_rates[i] + offset;
|
||||
if ((err = do_sample_rate_test(dev, wave_format, test_sample_rate, share_mode,
|
||||
¤t_min, &last_success_rate)))
|
||||
{
|
||||
wave_format->Format.nSamplesPerSec = orig_sample_rate;
|
||||
return err;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (current_min != -1) {
|
||||
if ((err = add_sample_rate(&dw->sample_rates, ¤t_min, last_success_rate))) {
|
||||
wave_format->Format.nSamplesPerSec = orig_sample_rate;
|
||||
return err;
|
||||
}
|
||||
}
|
||||
|
||||
SoundIoDevice *device = &dev->pub;
|
||||
|
||||
device->sample_rate_count = dw->sample_rates.length;
|
||||
device->sample_rates = dw->sample_rates.items;
|
||||
|
||||
wave_format->Format.nSamplesPerSec = orig_sample_rate;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int refresh_devices(SoundIoPrivate *si) {
|
||||
SoundIo *soundio = &si->pub;
|
||||
|
|
@ -384,6 +579,37 @@ static int refresh_devices(SoundIoPrivate *si) {
|
|||
return SoundIoErrorNoMem;
|
||||
}
|
||||
|
||||
// Get the format that WASAPI opens the device with for shared streams.
|
||||
// This is guaranteed to work, so we use this to modulate the sample
|
||||
// rate while holding the format constant and vice versa.
|
||||
if (rd.prop_variant_value_inited)
|
||||
PropVariantClear(&rd.prop_variant_value);
|
||||
PropVariantInit(&rd.prop_variant_value);
|
||||
rd.prop_variant_value_inited = true;
|
||||
if (FAILED(hr = IPropertyStore_GetValue(rd.prop_store, PKEY_AudioEngine_DeviceFormat,
|
||||
&rd.prop_variant_value)))
|
||||
{
|
||||
deinit_refresh_devices(&rd);
|
||||
return SoundIoErrorOpeningDevice;
|
||||
}
|
||||
WAVEFORMATEXTENSIBLE *valid_wave_format = (WAVEFORMATEXTENSIBLE *)rd.prop_variant_value.blob.pBlobData;
|
||||
if (valid_wave_format->Format.wFormatTag != WAVE_FORMAT_EXTENSIBLE) {
|
||||
deinit_refresh_devices(&rd);
|
||||
return SoundIoErrorOpeningDevice;
|
||||
}
|
||||
if ((err = detect_valid_sample_rates(&rd, valid_wave_format, dev_raw,
|
||||
AUDCLNT_SHAREMODE_EXCLUSIVE)))
|
||||
{
|
||||
deinit_refresh_devices(&rd);
|
||||
return err;
|
||||
}
|
||||
if ((err = detect_valid_formats(&rd, valid_wave_format, dev_raw,
|
||||
AUDCLNT_SHAREMODE_EXCLUSIVE)))
|
||||
{
|
||||
deinit_refresh_devices(&rd);
|
||||
return err;
|
||||
}
|
||||
|
||||
if (rd.wave_format)
|
||||
CoTaskMemFree(rd.wave_format);
|
||||
if (FAILED(hr = IAudioClient_GetMixFormat(dev_w_shared->audio_client, (WAVEFORMATEX**)&rd.wave_format))) {
|
||||
|
|
@ -395,17 +621,24 @@ static int refresh_devices(SoundIoPrivate *si) {
|
|||
return SoundIoErrorOpeningDevice;
|
||||
}
|
||||
rd.device_shared->sample_rate_current = rd.wave_format->Format.nSamplesPerSec;
|
||||
rd.device_shared->current_format = from_wave_format_format(rd.wave_format);
|
||||
|
||||
|
||||
// WASAPI performs resampling in shared mode, so any value is valid.
|
||||
// Let's pick some reasonable min and max values.
|
||||
rd.device_shared->sample_rate_count = 1;
|
||||
rd.device_shared->sample_rates = &dev_shared->prealloc_sample_rate_range;
|
||||
rd.device_shared->sample_rates[0].min = min(SOUNDIO_MIN_SAMPLE_RATE, rd.device_shared->sample_rate_current);
|
||||
rd.device_shared->sample_rates[0].max = max(SOUNDIO_MAX_SAMPLE_RATE, rd.device_shared->sample_rate_current);
|
||||
rd.device_shared->sample_rates[0].min = min(SOUNDIO_MIN_SAMPLE_RATE,
|
||||
rd.device_shared->sample_rate_current);
|
||||
rd.device_shared->sample_rates[0].max = max(SOUNDIO_MAX_SAMPLE_RATE,
|
||||
rd.device_shared->sample_rate_current);
|
||||
|
||||
rd.device_shared->current_format = from_wave_format_format(rd.wave_format);
|
||||
rd.device_shared->format_count = 1;
|
||||
rd.device_shared->formats = &dev_shared->prealloc_format;
|
||||
rd.device_shared->formats[0] = rd.device_shared->current_format;
|
||||
if ((err = detect_valid_formats(&rd, rd.wave_format, dev_shared,
|
||||
AUDCLNT_SHAREMODE_SHARED)))
|
||||
{
|
||||
deinit_refresh_devices(&rd);
|
||||
return err;
|
||||
}
|
||||
|
||||
from_wave_format_layout(rd.wave_format, &rd.device_shared->current_layout);
|
||||
rd.device_shared->layout_count = 1;
|
||||
|
|
|
|||
|
|
@ -11,6 +11,7 @@
|
|||
#include "soundio/soundio.h"
|
||||
#include "soundio/os.h"
|
||||
#include "atomics.hpp"
|
||||
#include "list.hpp"
|
||||
struct IMMDeviceEnumerator;
|
||||
struct IAudioClient;
|
||||
|
||||
|
|
@ -18,6 +19,7 @@ int soundio_wasapi_init(struct SoundIoPrivate *si);
|
|||
|
||||
struct SoundIoDeviceWasapi {
|
||||
IAudioClient *audio_client;
|
||||
SoundIoList<SoundIoSampleRateRange> sample_rates;
|
||||
};
|
||||
|
||||
struct SoundIoWasapi {
|
||||
|
|
|
|||
Loading…
Reference in a new issue