From c4099c86c63bd2cf71d46c809e485f1d5b5e32cd Mon Sep 17 00:00:00 2001 From: David Reid Date: Sun, 1 Nov 2020 17:09:36 +1000 Subject: [PATCH] PulseAudio: Add support for detecting default devices. Public issue https://github.com/mackron/miniaudio/issues/126 --- miniaudio.h | 543 ++++++++++++++++++++++++++++++---------------------- 1 file changed, 315 insertions(+), 228 deletions(-) diff --git a/miniaudio.h b/miniaudio.h index 5eb915c2..e7d98811 100644 --- a/miniaudio.h +++ b/miniaudio.h @@ -20719,223 +20719,6 @@ static ma_bool32 ma_context_is_device_id_equal__pulse(ma_context* pContext, cons } -typedef struct -{ - ma_context* pContext; - ma_enum_devices_callback_proc callback; - void* pUserData; - ma_bool32 isTerminated; -} ma_context_enumerate_devices_callback_data__pulse; - -static void ma_context_enumerate_devices_sink_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_sink_info* pSinkInfo, int endOfList, void* pUserData) -{ - ma_context_enumerate_devices_callback_data__pulse* pData = (ma_context_enumerate_devices_callback_data__pulse*)pUserData; - ma_device_info deviceInfo; - - MA_ASSERT(pData != NULL); - - if (endOfList || pData->isTerminated) { - return; - } - - MA_ZERO_OBJECT(&deviceInfo); - - /* The name from PulseAudio is the ID for miniaudio. */ - if (pSinkInfo->name != NULL) { - ma_strncpy_s(deviceInfo.id.pulse, sizeof(deviceInfo.id.pulse), pSinkInfo->name, (size_t)-1); - } - - /* The description from PulseAudio is the name for miniaudio. */ - if (pSinkInfo->description != NULL) { - ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), pSinkInfo->description, (size_t)-1); - } - - pData->isTerminated = !pData->callback(pData->pContext, ma_device_type_playback, &deviceInfo, pData->pUserData); - - (void)pPulseContext; /* Unused. */ -} - -static void ma_context_enumerate_devices_source_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_source_info* pSinkInfo, int endOfList, void* pUserData) -{ - ma_context_enumerate_devices_callback_data__pulse* pData = (ma_context_enumerate_devices_callback_data__pulse*)pUserData; - ma_device_info deviceInfo; - - MA_ASSERT(pData != NULL); - - if (endOfList || pData->isTerminated) { - return; - } - - MA_ZERO_OBJECT(&deviceInfo); - - /* The name from PulseAudio is the ID for miniaudio. */ - if (pSinkInfo->name != NULL) { - ma_strncpy_s(deviceInfo.id.pulse, sizeof(deviceInfo.id.pulse), pSinkInfo->name, (size_t)-1); - } - - /* The description from PulseAudio is the name for miniaudio. */ - if (pSinkInfo->description != NULL) { - ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), pSinkInfo->description, (size_t)-1); - } - - pData->isTerminated = !pData->callback(pData->pContext, ma_device_type_capture, &deviceInfo, pData->pUserData); - - (void)pPulseContext; /* Unused. */ -} - -static ma_result ma_context_enumerate_devices__pulse(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData) -{ - ma_result result = MA_SUCCESS; - ma_context_enumerate_devices_callback_data__pulse callbackData; - ma_pa_operation* pOP = NULL; - - MA_ASSERT(pContext != NULL); - MA_ASSERT(callback != NULL); - - callbackData.pContext = pContext; - callbackData.callback = callback; - callbackData.pUserData = pUserData; - callbackData.isTerminated = MA_FALSE; - - /* Playback. */ - if (!callbackData.isTerminated) { - pOP = ((ma_pa_context_get_sink_info_list_proc)pContext->pulse.pa_context_get_sink_info_list)(pContext->pulse.pPulseContext, ma_context_enumerate_devices_sink_callback__pulse, &callbackData); - if (pOP == NULL) { - result = MA_ERROR; - goto done; - } - - result = ma_wait_for_operation__pulse(pContext, pOP); - ((ma_pa_operation_unref_proc)pContext->pulse.pa_operation_unref)(pOP); - if (result != MA_SUCCESS) { - goto done; - } - } - - - /* Capture. */ - if (!callbackData.isTerminated) { - pOP = ((ma_pa_context_get_source_info_list_proc)pContext->pulse.pa_context_get_source_info_list)(pContext->pulse.pPulseContext, ma_context_enumerate_devices_source_callback__pulse, &callbackData); - if (pOP == NULL) { - result = MA_ERROR; - goto done; - } - - result = ma_wait_for_operation__pulse(pContext, pOP); - ((ma_pa_operation_unref_proc)pContext->pulse.pa_operation_unref)(pOP); - if (result != MA_SUCCESS) { - goto done; - } - } - -done: - return result; -} - - -typedef struct -{ - ma_device_info* pDeviceInfo; - ma_bool32 foundDevice; -} ma_context_get_device_info_callback_data__pulse; - -static void ma_context_get_device_info_sink_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_sink_info* pInfo, int endOfList, void* pUserData) -{ - ma_context_get_device_info_callback_data__pulse* pData = (ma_context_get_device_info_callback_data__pulse*)pUserData; - - if (endOfList > 0) { - return; - } - - MA_ASSERT(pData != NULL); - pData->foundDevice = MA_TRUE; - - if (pInfo->name != NULL) { - ma_strncpy_s(pData->pDeviceInfo->id.pulse, sizeof(pData->pDeviceInfo->id.pulse), pInfo->name, (size_t)-1); - } - - if (pInfo->description != NULL) { - ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), pInfo->description, (size_t)-1); - } - - pData->pDeviceInfo->minChannels = pInfo->sample_spec.channels; - pData->pDeviceInfo->maxChannels = pInfo->sample_spec.channels; - pData->pDeviceInfo->minSampleRate = pInfo->sample_spec.rate; - pData->pDeviceInfo->maxSampleRate = pInfo->sample_spec.rate; - pData->pDeviceInfo->formatCount = 1; - pData->pDeviceInfo->formats[0] = ma_format_from_pulse(pInfo->sample_spec.format); - - (void)pPulseContext; /* Unused. */ -} - -static void ma_context_get_device_info_source_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_source_info* pInfo, int endOfList, void* pUserData) -{ - ma_context_get_device_info_callback_data__pulse* pData = (ma_context_get_device_info_callback_data__pulse*)pUserData; - - if (endOfList > 0) { - return; - } - - MA_ASSERT(pData != NULL); - pData->foundDevice = MA_TRUE; - - if (pInfo->name != NULL) { - ma_strncpy_s(pData->pDeviceInfo->id.pulse, sizeof(pData->pDeviceInfo->id.pulse), pInfo->name, (size_t)-1); - } - - if (pInfo->description != NULL) { - ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), pInfo->description, (size_t)-1); - } - - pData->pDeviceInfo->minChannels = pInfo->sample_spec.channels; - pData->pDeviceInfo->maxChannels = pInfo->sample_spec.channels; - pData->pDeviceInfo->minSampleRate = pInfo->sample_spec.rate; - pData->pDeviceInfo->maxSampleRate = pInfo->sample_spec.rate; - pData->pDeviceInfo->formatCount = 1; - pData->pDeviceInfo->formats[0] = ma_format_from_pulse(pInfo->sample_spec.format); - - (void)pPulseContext; /* Unused. */ -} - -static ma_result ma_context_get_device_info__pulse(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_share_mode shareMode, ma_device_info* pDeviceInfo) -{ - ma_result result = MA_SUCCESS; - ma_context_get_device_info_callback_data__pulse callbackData; - ma_pa_operation* pOP = NULL; - - MA_ASSERT(pContext != NULL); - - /* No exclusive mode with the PulseAudio backend. */ - if (shareMode == ma_share_mode_exclusive) { - return MA_SHARE_MODE_NOT_SUPPORTED; - } - - callbackData.pDeviceInfo = pDeviceInfo; - callbackData.foundDevice = MA_FALSE; - - if (deviceType == ma_device_type_playback) { - pOP = ((ma_pa_context_get_sink_info_by_name_proc)pContext->pulse.pa_context_get_sink_info_by_name)(pContext->pulse.pPulseContext, pDeviceID->pulse, ma_context_get_device_info_sink_callback__pulse, &callbackData); - } else { - pOP = ((ma_pa_context_get_source_info_by_name_proc)pContext->pulse.pa_context_get_source_info_by_name)(pContext->pulse.pPulseContext, pDeviceID->pulse, ma_context_get_device_info_source_callback__pulse, &callbackData); - } - - if (pOP != NULL) { - ma_wait_for_operation_and_unref__pulse(pContext, pOP); - } else { - result = MA_ERROR; - goto done; - } - - if (!callbackData.foundDevice) { - result = MA_NO_DEVICE; - goto done; - } - -done: - return result; -} - - static void ma_device_sink_info_callback(ma_pa_context* pPulseContext, const ma_pa_sink_info* pInfo, int endOfList, void* pUserData) { ma_pa_sink_info* pInfoOut; @@ -21000,6 +20783,315 @@ static void ma_device_source_name_callback(ma_pa_context* pPulseContext, const m (void)pPulseContext; /* Unused. */ } + +static ma_result ma_context_get_sink_info__pulse(ma_context* pContext, const char* pDeviceName, ma_pa_sink_info* pSinkInfo) +{ + ma_pa_operation* pOP; + + pOP = ((ma_pa_context_get_sink_info_by_name_proc)pContext->pulse.pa_context_get_sink_info_by_name)((ma_pa_context*)pContext->pulse.pPulseContext, pDeviceName, ma_device_sink_info_callback, pSinkInfo); + if (pOP == NULL) { + return MA_ERROR; + } + + ma_wait_for_operation_and_unref__pulse(pContext, pOP); + return MA_SUCCESS; +} + +static ma_result ma_context_get_source_info__pulse(ma_context* pContext, const char* pDeviceName, ma_pa_source_info* pSourceInfo) +{ + ma_pa_operation* pOP; + + pOP = ((ma_pa_context_get_source_info_by_name_proc)pContext->pulse.pa_context_get_source_info_by_name)((ma_pa_context*)pContext->pulse.pPulseContext, pDeviceName, ma_device_source_info_callback, pSourceInfo); + if (pOP == NULL) { + return MA_ERROR; + } + + ma_wait_for_operation_and_unref__pulse(pContext, pOP); + return MA_SUCCESS; +} + +static ma_result ma_context_get_default_device_index__pulse(ma_context* pContext, ma_device_type deviceType, ma_uint32* pIndex) +{ + ma_result result; + + MA_ASSERT(pContext != NULL); + MA_ASSERT(pIndex != NULL); + + if (pIndex != NULL) { + *pIndex = (ma_uint32)-1; + } + + if (deviceType == ma_device_type_playback) { + ma_pa_sink_info sinkInfo; + result = ma_context_get_sink_info__pulse(pContext, NULL, &sinkInfo); + if (result != MA_SUCCESS) { + return result; + } + + if (pIndex != NULL) { + *pIndex = sinkInfo.index; + } + } + + if (deviceType == ma_device_type_capture) { + ma_pa_source_info sourceInfo; + result = ma_context_get_source_info__pulse(pContext, NULL, &sourceInfo); + if (result != MA_SUCCESS) { + return result; + } + + if (pIndex != NULL) { + *pIndex = sourceInfo.index; + } + } + + return MA_SUCCESS; +} + + +typedef struct +{ + ma_context* pContext; + ma_enum_devices_callback_proc callback; + void* pUserData; + ma_bool32 isTerminated; + ma_uint32 defaultDeviceIndexPlayback; + ma_uint32 defaultDeviceIndexCapture; +} ma_context_enumerate_devices_callback_data__pulse; + +static void ma_context_enumerate_devices_sink_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_sink_info* pSinkInfo, int endOfList, void* pUserData) +{ + ma_context_enumerate_devices_callback_data__pulse* pData = (ma_context_enumerate_devices_callback_data__pulse*)pUserData; + ma_device_info deviceInfo; + + MA_ASSERT(pData != NULL); + + if (endOfList || pData->isTerminated) { + return; + } + + MA_ZERO_OBJECT(&deviceInfo); + + /* The name from PulseAudio is the ID for miniaudio. */ + if (pSinkInfo->name != NULL) { + ma_strncpy_s(deviceInfo.id.pulse, sizeof(deviceInfo.id.pulse), pSinkInfo->name, (size_t)-1); + } + + /* The description from PulseAudio is the name for miniaudio. */ + if (pSinkInfo->description != NULL) { + ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), pSinkInfo->description, (size_t)-1); + } + + if (pSinkInfo->index == pData->defaultDeviceIndexPlayback) { + deviceInfo._private.isDefault = MA_TRUE; + } + + pData->isTerminated = !pData->callback(pData->pContext, ma_device_type_playback, &deviceInfo, pData->pUserData); + + (void)pPulseContext; /* Unused. */ +} + +static void ma_context_enumerate_devices_source_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_source_info* pSourceInfo, int endOfList, void* pUserData) +{ + ma_context_enumerate_devices_callback_data__pulse* pData = (ma_context_enumerate_devices_callback_data__pulse*)pUserData; + ma_device_info deviceInfo; + + MA_ASSERT(pData != NULL); + + if (endOfList || pData->isTerminated) { + return; + } + + MA_ZERO_OBJECT(&deviceInfo); + + /* The name from PulseAudio is the ID for miniaudio. */ + if (pSourceInfo->name != NULL) { + ma_strncpy_s(deviceInfo.id.pulse, sizeof(deviceInfo.id.pulse), pSourceInfo->name, (size_t)-1); + } + + /* The description from PulseAudio is the name for miniaudio. */ + if (pSourceInfo->description != NULL) { + ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), pSourceInfo->description, (size_t)-1); + } + + if (pSourceInfo->index == pData->defaultDeviceIndexCapture) { + deviceInfo._private.isDefault = MA_TRUE; + } + + pData->isTerminated = !pData->callback(pData->pContext, ma_device_type_capture, &deviceInfo, pData->pUserData); + + (void)pPulseContext; /* Unused. */ +} + +static ma_result ma_context_enumerate_devices__pulse(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData) +{ + ma_result result = MA_SUCCESS; + ma_context_enumerate_devices_callback_data__pulse callbackData; + ma_pa_operation* pOP = NULL; + + MA_ASSERT(pContext != NULL); + MA_ASSERT(callback != NULL); + + callbackData.pContext = pContext; + callbackData.callback = callback; + callbackData.pUserData = pUserData; + callbackData.isTerminated = MA_FALSE; + callbackData.defaultDeviceIndexPlayback = (ma_uint32)-1; + callbackData.defaultDeviceIndexCapture = (ma_uint32)-1; + + /* We need to get the index of the default devices. */ + ma_context_get_default_device_index__pulse(pContext, ma_device_type_playback, &callbackData.defaultDeviceIndexPlayback); + ma_context_get_default_device_index__pulse(pContext, ma_device_type_capture, &callbackData.defaultDeviceIndexCapture); + + /* Playback. */ + if (!callbackData.isTerminated) { + pOP = ((ma_pa_context_get_sink_info_list_proc)pContext->pulse.pa_context_get_sink_info_list)(pContext->pulse.pPulseContext, ma_context_enumerate_devices_sink_callback__pulse, &callbackData); + if (pOP == NULL) { + result = MA_ERROR; + goto done; + } + + result = ma_wait_for_operation__pulse(pContext, pOP); + ((ma_pa_operation_unref_proc)pContext->pulse.pa_operation_unref)(pOP); + if (result != MA_SUCCESS) { + goto done; + } + } + + + /* Capture. */ + if (!callbackData.isTerminated) { + pOP = ((ma_pa_context_get_source_info_list_proc)pContext->pulse.pa_context_get_source_info_list)(pContext->pulse.pPulseContext, ma_context_enumerate_devices_source_callback__pulse, &callbackData); + if (pOP == NULL) { + result = MA_ERROR; + goto done; + } + + result = ma_wait_for_operation__pulse(pContext, pOP); + ((ma_pa_operation_unref_proc)pContext->pulse.pa_operation_unref)(pOP); + if (result != MA_SUCCESS) { + goto done; + } + } + +done: + return result; +} + + +typedef struct +{ + ma_device_info* pDeviceInfo; + ma_uint32 defaultDeviceIndex; + ma_bool32 foundDevice; +} ma_context_get_device_info_callback_data__pulse; + +static void ma_context_get_device_info_sink_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_sink_info* pInfo, int endOfList, void* pUserData) +{ + ma_context_get_device_info_callback_data__pulse* pData = (ma_context_get_device_info_callback_data__pulse*)pUserData; + + if (endOfList > 0) { + return; + } + + MA_ASSERT(pData != NULL); + pData->foundDevice = MA_TRUE; + + if (pInfo->name != NULL) { + ma_strncpy_s(pData->pDeviceInfo->id.pulse, sizeof(pData->pDeviceInfo->id.pulse), pInfo->name, (size_t)-1); + } + + if (pInfo->description != NULL) { + ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), pInfo->description, (size_t)-1); + } + + pData->pDeviceInfo->minChannels = pInfo->sample_spec.channels; + pData->pDeviceInfo->maxChannels = pInfo->sample_spec.channels; + pData->pDeviceInfo->minSampleRate = pInfo->sample_spec.rate; + pData->pDeviceInfo->maxSampleRate = pInfo->sample_spec.rate; + pData->pDeviceInfo->formatCount = 1; + pData->pDeviceInfo->formats[0] = ma_format_from_pulse(pInfo->sample_spec.format); + + if (pData->defaultDeviceIndex == pInfo->index) { + pData->pDeviceInfo->_private.isDefault = MA_TRUE; + } + + (void)pPulseContext; /* Unused. */ +} + +static void ma_context_get_device_info_source_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_source_info* pInfo, int endOfList, void* pUserData) +{ + ma_context_get_device_info_callback_data__pulse* pData = (ma_context_get_device_info_callback_data__pulse*)pUserData; + + if (endOfList > 0) { + return; + } + + MA_ASSERT(pData != NULL); + pData->foundDevice = MA_TRUE; + + if (pInfo->name != NULL) { + ma_strncpy_s(pData->pDeviceInfo->id.pulse, sizeof(pData->pDeviceInfo->id.pulse), pInfo->name, (size_t)-1); + } + + if (pInfo->description != NULL) { + ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), pInfo->description, (size_t)-1); + } + + pData->pDeviceInfo->minChannels = pInfo->sample_spec.channels; + pData->pDeviceInfo->maxChannels = pInfo->sample_spec.channels; + pData->pDeviceInfo->minSampleRate = pInfo->sample_spec.rate; + pData->pDeviceInfo->maxSampleRate = pInfo->sample_spec.rate; + pData->pDeviceInfo->formatCount = 1; + pData->pDeviceInfo->formats[0] = ma_format_from_pulse(pInfo->sample_spec.format); + + if (pData->defaultDeviceIndex == pInfo->index) { + pData->pDeviceInfo->_private.isDefault = MA_TRUE; + } + + (void)pPulseContext; /* Unused. */ +} + +static ma_result ma_context_get_device_info__pulse(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_share_mode shareMode, ma_device_info* pDeviceInfo) +{ + ma_result result = MA_SUCCESS; + ma_context_get_device_info_callback_data__pulse callbackData; + ma_pa_operation* pOP = NULL; + + MA_ASSERT(pContext != NULL); + + /* No exclusive mode with the PulseAudio backend. */ + if (shareMode == ma_share_mode_exclusive) { + return MA_SHARE_MODE_NOT_SUPPORTED; + } + + callbackData.pDeviceInfo = pDeviceInfo; + callbackData.foundDevice = MA_FALSE; + + result = ma_context_get_default_device_index__pulse(pContext, deviceType, &callbackData.defaultDeviceIndex); + + if (deviceType == ma_device_type_playback) { + pOP = ((ma_pa_context_get_sink_info_by_name_proc)pContext->pulse.pa_context_get_sink_info_by_name)(pContext->pulse.pPulseContext, pDeviceID->pulse, ma_context_get_device_info_sink_callback__pulse, &callbackData); + } else { + pOP = ((ma_pa_context_get_source_info_by_name_proc)pContext->pulse.pa_context_get_source_info_by_name)(pContext->pulse.pPulseContext, pDeviceID->pulse, ma_context_get_device_info_source_callback__pulse, &callbackData); + } + + if (pOP != NULL) { + ma_wait_for_operation_and_unref__pulse(pContext, pOP); + } else { + result = MA_ERROR; + goto done; + } + + if (!callbackData.foundDevice) { + result = MA_NO_DEVICE; + goto done; + } + +done: + return result; +} + static void ma_device_uninit__pulse(ma_device* pDevice) { ma_context* pContext; @@ -21214,7 +21306,6 @@ static ma_result ma_device_init__pulse(ma_context* pContext, const ma_device_con ma_uint32 periodSizeInMilliseconds; ma_pa_sink_info sinkInfo; ma_pa_source_info sourceInfo; - ma_pa_operation* pOP = NULL; ma_pa_sample_spec ss; ma_pa_channel_map cmap; ma_pa_buffer_attr attr; @@ -21250,11 +21341,9 @@ static ma_result ma_device_init__pulse(ma_context* pContext, const ma_device_con } if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) { - pOP = ((ma_pa_context_get_source_info_by_name_proc)pContext->pulse.pa_context_get_source_info_by_name)((ma_pa_context*)pContext->pulse.pPulseContext, devCapture, ma_device_source_info_callback, &sourceInfo); - if (pOP != NULL) { - ma_wait_for_operation_and_unref__pulse(pContext, pOP); - } else { - result = ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to retrieve source info for capture device.", ma_result_from_pulse(error)); + result = ma_context_get_source_info__pulse(pContext, devCapture, &sourceInfo); + if (result != MA_SUCCESS) { + ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to retrieve source info for capture device.", result); goto on_error0; } @@ -21342,11 +21431,9 @@ static ma_result ma_device_init__pulse(ma_context* pContext, const ma_device_con } if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) { - pOP = ((ma_pa_context_get_sink_info_by_name_proc)pContext->pulse.pa_context_get_sink_info_by_name)((ma_pa_context*)pContext->pulse.pPulseContext, devPlayback, ma_device_sink_info_callback, &sinkInfo); - if (pOP != NULL) { - ma_wait_for_operation_and_unref__pulse(pContext, pOP); - } else { - result = ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to retrieve sink info for playback device.", ma_result_from_pulse(error)); + result = ma_context_get_sink_info__pulse(pContext, devPlayback, &sinkInfo); + if (result != MA_SUCCESS) { + ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to retrieve sink info for playback device.", result); goto on_error2; }