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miniaudio
Commit f4daf077 authored by David Reid's avatar David Reid
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DirectSound: Properly handle default format/channels/rate.

parent eeb1024a
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Showing with 361 additions and 113 deletions
mini_al.h
View file @ f4daf077
......@@ -434,9 +434,28 @@ typedef mal_uint16 wchar_t;
#define MAL_MAX_PERIODS_DSOUND 4
#define MAL_MAX_PERIODS_OPENAL 4
#define MAL_MAX_SAMPLE_SIZE_IN_BYTES 8
// Standard sample rates.
#define MAL_SAMPLE_RATE_8000 8000
#define MAL_SAMPLE_RATE_11025 11025
#define MAL_SAMPLE_RATE_16000 16000
#define MAL_SAMPLE_RATE_22050 22050
#define MAL_SAMPLE_RATE_24000 24000
#define MAL_SAMPLE_RATE_32000 32000
#define MAL_SAMPLE_RATE_44100 44100
#define MAL_SAMPLE_RATE_48000 48000
#define MAL_SAMPLE_RATE_88200 88200
#define MAL_SAMPLE_RATE_96000 96000
#define MAL_SAMPLE_RATE_176400 176400
#define MAL_SAMPLE_RATE_192000 192000
#define MAL_SAMPLE_RATE_352800 352800
#define MAL_SAMPLE_RATE_384000 384000
#define MAL_MIN_PCM_SAMPLE_SIZE_IN_BYTES 1 // For simplicity, mini_al does not support PCM samples that are not byte aligned.
#define MAL_MAX_PCM_SAMPLE_SIZE_IN_BYTES 8
#define MAL_MIN_CHANNELS 1
#define MAL_MAX_CHANNELS 32
#define MAL_MAX_SAMPLE_RATE 384000
#define MAL_MIN_SAMPLE_RATE MAL_SAMPLE_RATE_8000
#define MAL_MAX_SAMPLE_RATE MAL_SAMPLE_RATE_384000
typedef mal_uint8 mal_channel;
#define MAL_CHANNEL_NONE 0
......@@ -2062,6 +2081,27 @@ typedef HWND (WINAPI * MAL_PFN_GetDesktopWindow)();
#define MAL_DEFAULT_PERIODS 2
#endif
// Standard sample rates, in order of priority.
static mal_uint32 g_malStandardSampleRatePriorities[] = {
MAL_SAMPLE_RATE_48000, // Most common
MAL_SAMPLE_RATE_44100,
MAL_SAMPLE_RATE_32000, // Lows
MAL_SAMPLE_RATE_24000,
MAL_SAMPLE_RATE_22050,
MAL_SAMPLE_RATE_88200, // Highs
MAL_SAMPLE_RATE_96000,
MAL_SAMPLE_RATE_176400,
MAL_SAMPLE_RATE_192000,
MAL_SAMPLE_RATE_16000, // Extreme lows
MAL_SAMPLE_RATE_11025,
MAL_SAMPLE_RATE_8000,
MAL_SAMPLE_RATE_352800, // Extreme highs
MAL_SAMPLE_RATE_384000
};
///////////////////////////////////////////////////////////////////////////////
//
......@@ -2849,6 +2889,36 @@ mal_bool32 mal_event_signal(mal_event* pEvent)
}
static mal_uint32 mal_get_best_sample_rate_within_range(mal_uint32 sampleRateMin, mal_uint32 sampleRateMax)
{
// Normalize the range in case we were given something stupid.
if (sampleRateMin < MAL_MIN_SAMPLE_RATE) {
sampleRateMin = MAL_MIN_SAMPLE_RATE;
}
if (sampleRateMax > MAL_MAX_SAMPLE_RATE) {
sampleRateMax = MAL_MAX_SAMPLE_RATE;
}
if (sampleRateMin > sampleRateMax) {
sampleRateMin = sampleRateMax;
}
if (sampleRateMin == sampleRateMax) {
return sampleRateMax;
} else {
for (size_t iStandardRate = 0; iStandardRate < mal_countof(g_malStandardSampleRatePriorities); ++iStandardRate) {
DWORD standardRate = g_malStandardSampleRatePriorities[iStandardRate];
if (standardRate >= sampleRateMin && standardRate <= sampleRateMax) {
return standardRate;
}
}
}
// Should never get here.
mal_assert(MAL_FALSE);
return 0;
}
// Posts a log message.
static void mal_log(mal_context* pContext, mal_device* pDevice, const char* message)
{
......@@ -3447,8 +3517,30 @@ static mal_result mal_device__main_loop__null(mal_device* pDevice)
#endif
#endif
#if defined(MAL_HAS_WASAPI) || defined(MAL_HAS_DSOUND)
// There's a few common headers for Win32 backends which include here for simplicity. Note that we should never
// include any files that do not come standard with modern compilers, and we may need to manually define a few
// symbols.
#include <mmreg.h>
#include <mmsystem.h>
#if !defined(MAXULONG_PTR)
typedef size_t DWORD_PTR;
#endif
#if !defined(WAVE_FORMAT_44M08)
#define WAVE_FORMAT_44M08 0x00000100
#define WAVE_FORMAT_44S08 0x00000200
#define WAVE_FORMAT_44M16 0x00000400
#define WAVE_FORMAT_44S16 0x00000800
#define WAVE_FORMAT_48M08 0x00001000
#define WAVE_FORMAT_48S08 0x00002000
#define WAVE_FORMAT_48M16 0x00004000
#define WAVE_FORMAT_48S16 0x00008000
#define WAVE_FORMAT_96M08 0x00010000
#define WAVE_FORMAT_96S08 0x00020000
#define WAVE_FORMAT_96M16 0x00040000
#define WAVE_FORMAT_96S16 0x00080000
#endif
#ifndef SPEAKER_FRONT_LEFT
#define SPEAKER_FRONT_LEFT 0x1
......@@ -3524,6 +3616,7 @@ static DWORD mal_channel_id_to_win32(DWORD id)
{
switch (id)
{
//case MAL_CHANNEL_MONO: return SPEAKER_FRONT_CENTER;
case MAL_CHANNEL_FRONT_LEFT: return SPEAKER_FRONT_LEFT;
case MAL_CHANNEL_FRONT_RIGHT: return SPEAKER_FRONT_RIGHT;
case MAL_CHANNEL_FRONT_CENTER: return SPEAKER_FRONT_CENTER;
......@@ -3561,7 +3654,7 @@ static DWORD mal_channel_map_to_channel_mask__win32(const mal_channel channelMap
static void mal_channel_mask_to_channel_map__win32(DWORD dwChannelMask, mal_uint32 channels, mal_channel channelMap[MAL_MAX_CHANNELS])
{
if (channels == 1 && dwChannelMask == 0) {
channelMap[0] = MAL_CHANNEL_FRONT_CENTER;
channelMap[0] = MAL_CHANNEL_MONO;
} else if (channels == 2 && dwChannelMask == 0) {
channelMap[0] = MAL_CHANNEL_FRONT_LEFT;
channelMap[1] = MAL_CHANNEL_FRONT_RIGHT;
......@@ -3578,8 +3671,74 @@ static void mal_channel_mask_to_channel_map__win32(DWORD dwChannelMask, mal_uint
}
}
}
#ifdef __cplusplus
#define mal_is_guid_equal(a, b) IsEqualGUID(a, b)
#else
#define mal_is_guid_equal(a, b) IsEqualGUID(&a, &b)
#endif
static mal_format mal_format_from_WAVEFORMATEX(WAVEFORMATEX* pWF)
{
mal_assert(pWF != NULL);
if (pWF->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
WAVEFORMATEXTENSIBLE* pWFEX = (WAVEFORMATEXTENSIBLE*)pWF;
if (mal_is_guid_equal(pWFEX->SubFormat, MAL_GUID_KSDATAFORMAT_SUBTYPE_PCM)) {
if (pWFEX->Samples.wValidBitsPerSample == 32) {
return mal_format_s32;
}
if (pWFEX->Samples.wValidBitsPerSample == 24) {
if (pWFEX->Format.wBitsPerSample == 32) {
//return mal_format_s24_32;
}
if (pWFEX->Format.wBitsPerSample == 24) {
return mal_format_s24;
}
}
if (pWFEX->Samples.wValidBitsPerSample == 16) {
return mal_format_s16;
}
if (pWFEX->Samples.wValidBitsPerSample == 8) {
return mal_format_u8;
}
}
if (mal_is_guid_equal(pWFEX->SubFormat, MAL_GUID_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) {
if (pWFEX->Samples.wValidBitsPerSample == 32) {
return mal_format_f32;
}
//if (pWFEX->Samples.wValidBitsPerSample == 64) {
// return mal_format_f64;
//}
}
} else {
if (pWF->wFormatTag == WAVE_FORMAT_PCM) {
if (pWF->wBitsPerSample == 32) {
return mal_format_s32;
}
if (pWF->wBitsPerSample == 24) {
return mal_format_s24;
}
if (pWF->wBitsPerSample == 16) {
return mal_format_s16;
}
if (pWF->wBitsPerSample == 8) {
return mal_format_u8;
}
}
if (pWF->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) {
if (pWF->wBitsPerSample == 32) {
return mal_format_f32;
}
if (pWF->wBitsPerSample == 64) {
//return mal_format_f64;
}
}
}
return mal_format_unknown;
}
///////////////////////////////////////////////////////////////////////////////
//
......@@ -3626,12 +3785,6 @@ const IID g_malIID_DEVINTERFACE_AUDIO_CAPTURE = {0x2EEF81BE, 0x33FA, 0x4800, {0x
#define g_malIID_IAudioCaptureClient &g_malIID_IAudioCaptureClient_Instance
#endif
#ifdef __cplusplus
#define mal_is_guid_equal(a, b) IsEqualGUID(a, b)
#else
#define mal_is_guid_equal(a, b) IsEqualGUID(&a, &b)
#endif
#ifdef MAL_WIN32_DESKTOP
// IMMDeviceEnumerator
#ifdef __cplusplus
......@@ -4019,67 +4172,6 @@ static void mal_device_uninit__wasapi(mal_device* pDevice)
#endif
#endif // !MAL_WIN32_DESKTOP
static mal_format mal_format_from_WAVEFORMATEX(WAVEFORMATEX* pWF)
{
mal_assert(pWF != NULL);
if (pWF->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
WAVEFORMATEXTENSIBLE* pWFEX = (WAVEFORMATEXTENSIBLE*)pWF;
if (mal_is_guid_equal(pWFEX->SubFormat, MAL_GUID_KSDATAFORMAT_SUBTYPE_PCM)) {
if (pWFEX->Samples.wValidBitsPerSample == 32) {
return mal_format_s32;
}
if (pWFEX->Samples.wValidBitsPerSample == 24) {
if (pWFEX->Format.wBitsPerSample == 32) {
//return mal_format_s24_32;
}
if (pWFEX->Format.wBitsPerSample == 24) {
return mal_format_s24;
}
}
if (pWFEX->Samples.wValidBitsPerSample == 16) {
return mal_format_s16;
}
if (pWFEX->Samples.wValidBitsPerSample == 8) {
return mal_format_u8;
}
}
if (mal_is_guid_equal(pWFEX->SubFormat, MAL_GUID_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) {
if (pWFEX->Samples.wValidBitsPerSample == 32) {
return mal_format_f32;
}
//if (pWFEX->Samples.wValidBitsPerSample == 64) {
// return mal_format_f64;
//}
}
} else {
if (pWF->wFormatTag == WAVE_FORMAT_PCM) {
if (pWF->wBitsPerSample == 32) {
return mal_format_s32;
}
if (pWF->wBitsPerSample == 24) {
return mal_format_s24;
}
if (pWF->wBitsPerSample == 16) {
return mal_format_s16;
}
if (pWF->wBitsPerSample == 8) {
return mal_format_u8;
}
}
if (pWF->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) {
if (pWF->wBitsPerSample == 32) {
return mal_format_f32;
}
if (pWF->wBitsPerSample == 64) {
//return mal_format_f64;
}
}
}
return mal_format_unknown;
}
static mal_result mal_device_init__wasapi(mal_context* pContext, mal_device_type type, mal_device_id* pDeviceID, const mal_device_config* pConfig, mal_device* pDevice)
{
(void)pContext;
......@@ -4637,6 +4729,44 @@ typedef HRESULT (WINAPI * mal_DirectSoundEnumerateAProc)(LPDSENUMCALLBACKA pDSEn
typedef HRESULT (WINAPI * mal_DirectSoundCaptureCreateProc)(const GUID* pcGuidDevice, LPDIRECTSOUNDCAPTURE *ppDSC8, LPUNKNOWN pUnkOuter);
typedef HRESULT (WINAPI * mal_DirectSoundCaptureEnumerateAProc)(LPDSENUMCALLBACKA pDSEnumCallback, LPVOID pContext);
// Retrieves the channel count and channel map for the given speaker configuration. If the speaker configuration is unknown,
// the channel count and channel map will be left unmodified.
static void mal_get_channels_from_speaker_config__dsound(DWORD speakerConfig, WORD* pChannelsOut, DWORD* pChannelMapOut)
{
WORD channels = 0;
if (pChannelsOut != NULL) {
channels = *pChannelsOut;
}
DWORD channelMap = 0;
if (pChannelMapOut != NULL) {
channelMap = *pChannelMapOut;
}
switch (DSSPEAKER_CONFIG(speakerConfig)) {
case DSSPEAKER_HEADPHONE: channels = 2; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT; break;
case DSSPEAKER_MONO: channels = 1; channelMap = SPEAKER_FRONT_CENTER; break;
case DSSPEAKER_QUAD: channels = 4; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT; break;
case DSSPEAKER_STEREO: channels = 2; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT; break;
case DSSPEAKER_SURROUND: channels = 4; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_BACK_CENTER; break;
case DSSPEAKER_5POINT1_BACK /*DSSPEAKER_5POINT1*/: channels = 6; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT; break;
case DSSPEAKER_7POINT1_WIDE /*DSSPEAKER_7POINT1*/: channels = 8; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT | SPEAKER_FRONT_LEFT_OF_CENTER | SPEAKER_FRONT_RIGHT_OF_CENTER; break;
case DSSPEAKER_7POINT1_SURROUND: channels = 8; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT | SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT; break;
case DSSPEAKER_5POINT1_SURROUND: channels = 6; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT; break;
default: break;
}
if (pChannelsOut != NULL) {
*pChannelsOut = channels;
}
if (pChannelMapOut != NULL) {
*pChannelMapOut = channelMap;
}
}
static HMODULE mal_open_dsound_dll()
{
return LoadLibraryW(L"dsound.dll");
......@@ -4782,11 +4912,11 @@ static mal_result mal_device_init__dsound(mal_context* pContext, mal_device_type
(void)pContext;
#ifdef __cplusplus
GUID _MAL_GUID_IID_DirectSoundNotify = MAL_GUID_IID_DirectSoundNotify;
GUID _MAL_GUID_IID_IDirectSoundCaptureBuffer = MAL_GUID_IID_IDirectSoundCaptureBuffer;
GUID _MAL_GUID_IID_DirectSoundNotify = MAL_GUID_IID_DirectSoundNotify;
GUID _MAL_GUID_IID_IDirectSoundCaptureBuffer = MAL_GUID_IID_IDirectSoundCaptureBuffer;
#else
GUID* _MAL_GUID_IID_DirectSoundNotify = &MAL_GUID_IID_DirectSoundNotify;
GUID* _MAL_GUID_IID_IDirectSoundCaptureBuffer = &MAL_GUID_IID_IDirectSoundCaptureBuffer;
GUID* _MAL_GUID_IID_DirectSoundNotify = &MAL_GUID_IID_DirectSoundNotify;
GUID* _MAL_GUID_IID_IDirectSoundCaptureBuffer = &MAL_GUID_IID_IDirectSoundCaptureBuffer;
#endif
mal_assert(pDevice != NULL);
......@@ -4804,6 +4934,7 @@ static mal_result mal_device_init__dsound(mal_context* pContext, mal_device_type
case mal_format_u8:
case mal_format_s16:
case mal_format_s24:
//case mal_format_s24_32:
case mal_format_s32:
{
subformat = MAL_GUID_KSDATAFORMAT_SUBTYPE_PCM;
......@@ -4866,6 +4997,44 @@ static mal_result mal_device_init__dsound(mal_context* pContext, mal_device_type
return mal_post_error(pDevice, "[DirectSound] IDirectSound_CreateSoundBuffer() failed for playback device's primary buffer.", MAL_DSOUND_FAILED_TO_CREATE_BUFFER);
}
// We may want to make some adjustments to the format if we are using defaults.
DSCAPS caps;
mal_zero_object(&caps);
caps.dwSize = sizeof(caps);
if (FAILED(IDirectSound_GetCaps((LPDIRECTSOUND)pDevice->dsound.pPlayback, &caps))) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] IDirectSound_GetCaps() failed for playback device.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (pDevice->usingDefaultChannels) {
if ((caps.dwFlags & DSCAPS_PRIMARYSTEREO) != 0) {
// It supports at least stereo, but could support more.
wf.Format.nChannels = 2;
// Look at the speaker configuration to get a better idea on the channel count.
DWORD speakerConfig;
if (SUCCEEDED(IDirectSound_GetSpeakerConfig((LPDIRECTSOUND)pDevice->dsound.pPlayback, &speakerConfig))) {
mal_get_channels_from_speaker_config__dsound(speakerConfig, &wf.Format.nChannels, &wf.dwChannelMask);
}
} else {
// It does not support stereo, which means we are stuck with mono.
wf.Format.nChannels = 1;
}
}
if (pDevice->usingDefaultSampleRate) {
// We base the sample rate on the values returned by GetCaps().
if ((caps.dwFlags & DSCAPS_CONTINUOUSRATE) != 0) {
wf.Format.nSamplesPerSec = mal_get_best_sample_rate_within_range(caps.dwMinSecondarySampleRate, caps.dwMaxSecondarySampleRate);
} else {
wf.Format.nSamplesPerSec = caps.dwMaxSecondarySampleRate;
}
}
wf.Format.nBlockAlign = (wf.Format.nChannels * wf.Format.wBitsPerSample) / 8;
wf.Format.nAvgBytesPerSec = wf.Format.nBlockAlign * wf.Format.nSamplesPerSec;
// From MSDN:
//
// The method succeeds even if the hardware does not support the requested format; DirectSound sets the buffer to the closest
......@@ -4876,26 +5045,27 @@ static mal_result mal_device_init__dsound(mal_context* pContext, mal_device_type
return mal_post_error(pDevice, "[DirectSound] Failed to set format of playback device's primary buffer.", MAL_FORMAT_NOT_SUPPORTED);
}
// Get the _actual_ properties of the buffer. This is silly API design...
DWORD requiredSize;
if (FAILED(IDirectSoundBuffer_GetFormat((LPDIRECTSOUNDBUFFER)pDevice->dsound.pPlaybackPrimaryBuffer, NULL, 0, &requiredSize))) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] Failed to retrieve the actual format of the playback device's primary buffer.", MAL_FORMAT_NOT_SUPPORTED);
}
// Get the _actual_ properties of the buffer.
char rawdata[1024];
WAVEFORMATEXTENSIBLE* pActualFormat = (WAVEFORMATEXTENSIBLE*)rawdata;
if (FAILED(IDirectSoundBuffer_GetFormat((LPDIRECTSOUNDBUFFER)pDevice->dsound.pPlaybackPrimaryBuffer, (WAVEFORMATEX*)pActualFormat, requiredSize, NULL))) {
if (FAILED(IDirectSoundBuffer_GetFormat((LPDIRECTSOUNDBUFFER)pDevice->dsound.pPlaybackPrimaryBuffer, (WAVEFORMATEX*)pActualFormat, sizeof(rawdata), NULL))) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] Failed to retrieve the actual format of the playback device's primary buffer.", MAL_FORMAT_NOT_SUPPORTED);
}
pDevice->internalFormat = mal_format_from_WAVEFORMATEX((WAVEFORMATEX*)pActualFormat);
pDevice->internalChannels = pActualFormat->Format.nChannels;
pDevice->internalSampleRate = pActualFormat->Format.nSamplesPerSec;
bufferSizeInBytes = pDevice->bufferSizeInFrames * pDevice->internalChannels * mal_get_sample_size_in_bytes(pDevice->format);
// Get the internal channel map based on the channel mask.
mal_channel_mask_to_channel_map__win32(pActualFormat->dwChannelMask, pDevice->internalChannels, pDevice->internalChannelMap);
if (pActualFormat->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
mal_channel_mask_to_channel_map__win32(pActualFormat->dwChannelMask, pDevice->internalChannels, pDevice->internalChannelMap);
} else {
mal_channel_mask_to_channel_map__win32(wf.dwChannelMask, pDevice->internalChannels, pDevice->internalChannelMap);
}
bufferSizeInBytes = pDevice->bufferSizeInFrames * pDevice->internalChannels * mal_get_sample_size_in_bytes(pDevice->internalFormat);
// Meaning of dwFlags (from MSDN):
......@@ -4942,10 +5112,87 @@ static mal_result mal_device_init__dsound(mal_context* pContext, mal_device_type
if (FAILED(pDirectSoundCaptureCreate((pDeviceID == NULL) ? NULL : (const GUID*)pDeviceID->dsound, (LPDIRECTSOUNDCAPTURE*)&pDevice->dsound.pCapture, NULL))) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] DirectSoundCaptureCreate() failed for capture device.", MAL_DSOUND_FAILED_TO_CREATE_DEVICE);
return mal_post_error(pDevice, "[DirectSound] DirectSoundCaptureCreate() failed for capture device.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
bufferSizeInBytes = pDevice->bufferSizeInFrames * pDevice->channels * mal_get_sample_size_in_bytes(pDevice->format);
DSCCAPS caps;
mal_zero_object(&caps);
caps.dwSize = sizeof(caps);
if (FAILED(IDirectSoundCapture_GetCaps((LPDIRECTSOUNDCAPTURE)pDevice->dsound.pCapture, &caps))) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] IDirectSoundCapture_GetCaps() failed for capture device.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
wf.Format.nChannels = (WORD)caps.dwChannels;
// The device can support multiple formats. We just go through the different formats in order of priority and
// pick the first one. This the same type of system as the WinMM backend.
wf.Format.wBitsPerSample = 16;
wf.Format.nSamplesPerSec = 48000;
if (caps.dwChannels == 1) {
if ((caps.dwFormats & WAVE_FORMAT_48M16) != 0) {
wf.Format.nSamplesPerSec = 48000;
} else if ((caps.dwFormats & WAVE_FORMAT_44M16) != 0) {
wf.Format.nSamplesPerSec = 44100;
} else if ((caps.dwFormats & WAVE_FORMAT_2M16) != 0) {
wf.Format.nSamplesPerSec = 22050;
} else if ((caps.dwFormats & WAVE_FORMAT_1M16) != 0) {
wf.Format.nSamplesPerSec = 11025;
} else if ((caps.dwFormats & WAVE_FORMAT_96M16) != 0) {
wf.Format.nSamplesPerSec = 96000;
} else {
wf.Format.wBitsPerSample = 8;
if ((caps.dwFormats & WAVE_FORMAT_48M08) != 0) {
wf.Format.nSamplesPerSec = 48000;
} else if ((caps.dwFormats & WAVE_FORMAT_44M08) != 0) {
wf.Format.nSamplesPerSec = 44100;
} else if ((caps.dwFormats & WAVE_FORMAT_2M08) != 0) {
wf.Format.nSamplesPerSec = 22050;
} else if ((caps.dwFormats & WAVE_FORMAT_1M08) != 0) {
wf.Format.nSamplesPerSec = 11025;
} else if ((caps.dwFormats & WAVE_FORMAT_96M08) != 0) {
wf.Format.nSamplesPerSec = 96000;
} else {
wf.Format.wBitsPerSample = 16; // Didn't find it. Just fall back to 16-bit.
}
}
} else if (caps.dwChannels == 2) {
if ((caps.dwFormats & WAVE_FORMAT_48S16) != 0) {
wf.Format.nSamplesPerSec = 48000;
} else if ((caps.dwFormats & WAVE_FORMAT_44S16) != 0) {
wf.Format.nSamplesPerSec = 44100;
} else if ((caps.dwFormats & WAVE_FORMAT_2S16) != 0) {
wf.Format.nSamplesPerSec = 22050;
} else if ((caps.dwFormats & WAVE_FORMAT_1S16) != 0) {
wf.Format.nSamplesPerSec = 11025;
} else if ((caps.dwFormats & WAVE_FORMAT_96S16) != 0) {
wf.Format.nSamplesPerSec = 96000;
} else {
wf.Format.wBitsPerSample = 8;
if ((caps.dwFormats & WAVE_FORMAT_48S08) != 0) {
wf.Format.nSamplesPerSec = 48000;
} else if ((caps.dwFormats & WAVE_FORMAT_44S08) != 0) {
wf.Format.nSamplesPerSec = 44100;
} else if ((caps.dwFormats & WAVE_FORMAT_2S08) != 0) {
wf.Format.nSamplesPerSec = 22050;
} else if ((caps.dwFormats & WAVE_FORMAT_1S08) != 0) {
wf.Format.nSamplesPerSec = 11025;
} else if ((caps.dwFormats & WAVE_FORMAT_96S08) != 0) {
wf.Format.nSamplesPerSec = 96000;
} else {
wf.Format.wBitsPerSample = 16; // Didn't find it. Just fall back to 16-bit.
}
}
}
wf.Format.nBlockAlign = (wf.Format.nChannels * wf.Format.wBitsPerSample) / 8;
wf.Format.nAvgBytesPerSec = wf.Format.nBlockAlign * wf.Format.nSamplesPerSec;
wf.Samples.wValidBitsPerSample = wf.Format.wBitsPerSample;
wf.SubFormat = MAL_GUID_KSDATAFORMAT_SUBTYPE_PCM;
bufferSizeInBytes = pDevice->bufferSizeInFrames * wf.Format.nChannels * mal_get_sample_size_in_bytes(pDevice->format);
DSCBUFFERDESC descDS;
mal_zero_object(&descDS);
......@@ -4963,13 +5210,34 @@ static mal_result mal_device_init__dsound(mal_context* pContext, mal_device_type
IDirectSoundCaptureBuffer_Release(pDSCB_Temp);
if (FAILED(hr)) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] IDirectSoundCapture_QueryInterface() failed for capture device's IDirectSoundCaptureBuffer8 object.", MAL_DSOUND_FAILED_TO_QUERY_INTERFACE);
return mal_post_error(pDevice, "[DirectSound] IDirectSoundCapture_QueryInterface() failed for capture device's IDirectSoundCaptureBuffer8 object.", MAL_API_NOT_FOUND);
}
// Get the _actual_ properties of the buffer.
char rawdata[1024];
WAVEFORMATEXTENSIBLE* pActualFormat = (WAVEFORMATEXTENSIBLE*)rawdata;
if (FAILED(IDirectSoundCaptureBuffer_GetFormat((LPDIRECTSOUNDCAPTUREBUFFER)pDevice->dsound.pCaptureBuffer, (WAVEFORMATEX*)pActualFormat, sizeof(rawdata), NULL))) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] Failed to retrieve the actual format of the capture device's buffer.", MAL_FORMAT_NOT_SUPPORTED);
}
pDevice->internalFormat = mal_format_from_WAVEFORMATEX((WAVEFORMATEX*)pActualFormat);
pDevice->internalChannels = pActualFormat->Format.nChannels;
pDevice->internalSampleRate = pActualFormat->Format.nSamplesPerSec;
// Get the internal channel map based on the channel mask.
if (pActualFormat->Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
mal_channel_mask_to_channel_map__win32(pActualFormat->dwChannelMask, pDevice->internalChannels, pDevice->internalChannelMap);
} else {
mal_channel_mask_to_channel_map__win32(wf.dwChannelMask, pDevice->internalChannels, pDevice->internalChannelMap);
}
// Notifications are set up via a DIRECTSOUNDNOTIFY object which is retrieved from the buffer.
if (FAILED(IDirectSoundCaptureBuffer_QueryInterface((LPDIRECTSOUNDCAPTUREBUFFER)pDevice->dsound.pCaptureBuffer, _MAL_GUID_IID_DirectSoundNotify, (void**)&pDevice->dsound.pNotify))) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] IDirectSoundCaptureBuffer_QueryInterface() failed for capture device's IDirectSoundNotify object.", MAL_DSOUND_FAILED_TO_QUERY_INTERFACE);
return mal_post_error(pDevice, "[DirectSound] IDirectSoundCaptureBuffer_QueryInterface() failed for capture device's IDirectSoundNotify object.", MAL_API_NOT_FOUND);
}
}
......@@ -5228,27 +5496,6 @@ static mal_result mal_device__main_loop__dsound(mal_device* pDevice)
//
///////////////////////////////////////////////////////////////////////////////
#ifdef MAL_HAS_WINMM
#include <mmsystem.h>
#if !defined(MAXULONG_PTR)
typedef size_t DWORD_PTR;
#endif
#if !defined(WAVE_FORMAT_44M08)
#define WAVE_FORMAT_44M08 0x00000100
#define WAVE_FORMAT_44S08 0x00000200
#define WAVE_FORMAT_44M16 0x00000400
#define WAVE_FORMAT_44S16 0x00000800
#define WAVE_FORMAT_48M08 0x00001000
#define WAVE_FORMAT_48S08 0x00002000
#define WAVE_FORMAT_48M16 0x00004000
#define WAVE_FORMAT_48S16 0x00008000
#define WAVE_FORMAT_96M08 0x00010000
#define WAVE_FORMAT_96S08 0x00020000
#define WAVE_FORMAT_96M16 0x00040000
#define WAVE_FORMAT_96S16 0x00080000
#endif
typedef UINT (WINAPI * MAL_PFN_waveOutGetNumDevs)(void);
typedef MMRESULT (WINAPI * MAL_PFN_waveOutGetDevCapsA)(UINT_PTR uDeviceID, LPWAVEOUTCAPSA pwoc, UINT cbwoc);
typedef MMRESULT (WINAPI * MAL_PFN_waveOutOpen)(LPHWAVEOUT phwo, UINT uDeviceID, LPCWAVEFORMATEX pwfx, DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD fdwOpen);
......@@ -13645,7 +13892,7 @@ static void mal_rearrange_channels_generic(void* pFrame, mal_uint32 channels, ma
{
mal_uint32 sampleSizeInBytes = mal_get_sample_size_in_bytes(format);
mal_uint8 temp[MAL_MAX_CHANNELS * MAL_MAX_SAMPLE_SIZE_IN_BYTES]; // Product of MAL_MAX_SAMPLE_SIZE_IN_BYTES to ensure it's large enough for all formats.
mal_uint8 temp[MAL_MAX_CHANNELS * MAL_MAX_PCM_SAMPLE_SIZE_IN_BYTES]; // Product of MAL_MAX_PCM_SAMPLE_SIZE_IN_BYTES to ensure it's large enough for all formats.
mal_copy_memory(temp, pFrame, sampleSizeInBytes * channels);
switch (channels) {
......@@ -14155,7 +14402,7 @@ mal_uint64 mal_dsp_read_frames_ex(mal_dsp* pDSP, mal_uint64 frameCount, void* pF
// Slower path - where the real work is done.
mal_uint8 pFrames[2][MAL_MAX_CHANNELS * 512 * MAL_MAX_SAMPLE_SIZE_IN_BYTES];
mal_uint8 pFrames[2][MAL_MAX_CHANNELS * 512 * MAL_MAX_PCM_SAMPLE_SIZE_IN_BYTES];
mal_format pFramesFormat[2];
mal_uint32 iFrames = 0; // <-- Used as an index into pFrames and cycles between 0 and 1.
......@@ -14163,7 +14410,7 @@ mal_uint64 mal_dsp_read_frames_ex(mal_dsp* pDSP, mal_uint64 frameCount, void* pF
while (frameCount > 0) {
iFrames = 0;
mal_uint32 framesToRead = mal_countof(pFrames[0]) / (mal_max(pDSP->config.channelsIn, pDSP->config.channelsOut) * MAL_MAX_SAMPLE_SIZE_IN_BYTES);
mal_uint32 framesToRead = mal_countof(pFrames[0]) / (mal_max(pDSP->config.channelsIn, pDSP->config.channelsOut) * MAL_MAX_PCM_SAMPLE_SIZE_IN_BYTES);
if (framesToRead > frameCount) {
framesToRead = (mal_uint32)frameCount;
}
......@@ -15803,6 +16050,7 @@ void mal_pcm_f32_to_s32(int* pOut, const float* pIn, unsigned int count)
// ================
//
// v0.x - 2018-xx-xx
// - API CHANGE: Rename MAL_MAX_SAMPLE_SIZE_IN_BYTES to MAL_MAX_PCM_SAMPLE_SIZE_IN_BYTES.
// - Add support for PulseAudio.
// - Add support for JACK.
// - Remove dependency on asound.h for the ALSA backend. This means the ALSA development packages are no
......
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