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Diffstat (limited to 'audio/out/ao_wasapi.c')
-rw-r--r--audio/out/ao_wasapi.c912
1 files changed, 12 insertions, 900 deletions
diff --git a/audio/out/ao_wasapi.c b/audio/out/ao_wasapi.c
index 8ad2ccbf58..79f8dcf665 100644
--- a/audio/out/ao_wasapi.c
+++ b/audio/out/ao_wasapi.c
@@ -29,6 +29,9 @@
#include <mmdeviceapi.h>
#include <avrt.h>
+#include "audio/out/ao_wasapi.h"
+#include "audio/out/ao_wasapi_utils.h"
+
#include "options/m_option.h"
#include "options/m_config.h"
#include "audio/format.h"
@@ -39,902 +42,11 @@
#include "compat/atomics.h"
#include "osdep/timer.h"
-#ifndef PKEY_Device_FriendlyName
-DEFINE_PROPERTYKEY(PKEY_Device_FriendlyName,
- 0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20,
- 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 14);
-DEFINE_PROPERTYKEY(PKEY_Device_DeviceDesc,
- 0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20,
- 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 2);
-#endif
-
-#define RING_BUFFER_COUNT 8
-
-/* 20 millisecond buffer? */
-#define BUFFER_TIME 20000000.0
#define EXIT_ON_ERROR(hres) \
do { if (FAILED(hres)) { goto exit_label; } } while(0)
#define SAFE_RELEASE(unk, release) \
do { if ((unk) != NULL) { release; (unk) = NULL; } } while(0)
-/* Supposed to use __uuidof, but it is C++ only, declare our own */
-static const GUID local_KSDATAFORMAT_SUBTYPE_PCM = {
- 0x1, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-};
-static const GUID local_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = {
- 0x3, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
-};
-
-union WAVEFMT {
- WAVEFORMATEX *ex;
- WAVEFORMATEXTENSIBLE *extensible;
-};
-
-typedef struct wasapi_state {
- struct mp_log *log;
- HANDLE threadLoop;
-
- /* Init phase */
- int init_ret;
- HANDLE init_done;
- HANDLE fatal_error; /* signal to indicate unrecoverable error */
- int share_mode;
-
- /* Events */
- HANDLE hPause;
-
- /* Play */
- HANDLE hPlay;
- int is_playing;
-
- /* Reset */
- HANDLE hReset;
-
- /* uninit */
- HANDLE hUninit;
- LONG immed;
-
- /* volume control */
- HANDLE hGetvol, hSetvol, hDoneVol;
- DWORD vol_hw_support, status;
- float audio_volume;
-
- /* Buffers */
- size_t buffer_block_size; /* Size of each block in bytes */
- REFERENCE_TIME
- minRequestedDuration; /* minimum wasapi buffer block size, in 100-nanosecond units */
- REFERENCE_TIME
- defaultRequestedDuration; /* default wasapi default block size, in 100-nanosecond units */
- UINT32 bufferFrameCount; /* wasapi buffer block size, number of frames, frame size at format.nBlockAlign */
-
- /* WASAPI handles, owned by other thread */
- IMMDevice *pDevice;
- IAudioClient *pAudioClient;
- IAudioRenderClient *pRenderClient;
- IAudioEndpointVolume *pEndpointVolume;
- HANDLE hFeed; /* wasapi event */
- HANDLE hTask; /* AV thread */
- DWORD taskIndex; /* AV task ID */
- WAVEFORMATEXTENSIBLE format;
-
- /* WASAPI internal clock information, for estimating delay */
- IAudioClock *pAudioClock;
- UINT64 clock_frequency; /* scale for the "samples" returned by the clock */
- UINT64 sample_count; /* the amount of samples per channel written to a GetBuffer buffer */
- LARGE_INTEGER qpc_frequency; /* frequency of windows' high resolution timer */
-
- int opt_exclusive;
- int opt_list;
- char *opt_device;
-
- /* We still need to support XP, don't use these functions directly, blob owned by main thread */
- struct {
- HMODULE hAvrt;
- HANDLE (WINAPI *pAvSetMmThreadCharacteristicsW)(LPCWSTR, LPDWORD);
- WINBOOL (WINAPI *pAvRevertMmThreadCharacteristics)(HANDLE);
- } VistaBlob;
-} wasapi_state;
-
-static int fill_VistaBlob(wasapi_state *state)
-{
- if (!state)
- return 1;
- state->VistaBlob.hAvrt = LoadLibraryW(L"avrt.dll");
- if (!state->VistaBlob.hAvrt)
- goto exit_label;
- state->VistaBlob.pAvSetMmThreadCharacteristicsW =
- (HANDLE (WINAPI *)(LPCWSTR, LPDWORD))
- GetProcAddress(state->VistaBlob.hAvrt, "AvSetMmThreadCharacteristicsW");
- state->VistaBlob.pAvRevertMmThreadCharacteristics =
- (WINBOOL (WINAPI *)(HANDLE))
- GetProcAddress(state->VistaBlob.hAvrt, "AvRevertMmThreadCharacteristics");
- return 0;
-exit_label:
- if (state->VistaBlob.hAvrt)
- FreeLibrary(state->VistaBlob.hAvrt);
- return 1;
-}
-
-static const char *explain_err(const HRESULT hr)
-{
- switch (hr) {
- case S_OK:
- return "S_OK";
- case AUDCLNT_E_NOT_INITIALIZED:
- return "AUDCLNT_E_NOT_INITIALIZED";
- case AUDCLNT_E_ALREADY_INITIALIZED:
- return "AUDCLNT_E_ALREADY_INITIALIZED";
- case AUDCLNT_E_WRONG_ENDPOINT_TYPE:
- return "AUDCLNT_E_WRONG_ENDPOINT_TYPE";
- case AUDCLNT_E_DEVICE_INVALIDATED:
- return "AUDCLNT_E_DEVICE_INVALIDATED";
- case AUDCLNT_E_NOT_STOPPED:
- return "AUDCLNT_E_NOT_STOPPED";
- case AUDCLNT_E_BUFFER_TOO_LARGE:
- return "AUDCLNT_E_BUFFER_TOO_LARGE";
- case AUDCLNT_E_OUT_OF_ORDER:
- return "AUDCLNT_E_OUT_OF_ORDER";
- case AUDCLNT_E_UNSUPPORTED_FORMAT:
- return "AUDCLNT_E_UNSUPPORTED_FORMAT";
- case AUDCLNT_E_INVALID_SIZE:
- return "AUDCLNT_E_INVALID_SIZE";
- case AUDCLNT_E_DEVICE_IN_USE:
- return "AUDCLNT_E_DEVICE_IN_USE";
- case AUDCLNT_E_BUFFER_OPERATION_PENDING:
- return "AUDCLNT_E_BUFFER_OPERATION_PENDING";
- case AUDCLNT_E_THREAD_NOT_REGISTERED:
- return "AUDCLNT_E_THREAD_NOT_REGISTERED";
- case AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED:
- return "AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED";
- case AUDCLNT_E_ENDPOINT_CREATE_FAILED:
- return "AUDCLNT_E_ENDPOINT_CREATE_FAILED";
- case AUDCLNT_E_SERVICE_NOT_RUNNING:
- return "AUDCLNT_E_SERVICE_NOT_RUNNING";
- case AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED:
- return "AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED";
- case AUDCLNT_E_EXCLUSIVE_MODE_ONLY:
- return "AUDCLNT_E_EXCLUSIVE_MODE_ONLY";
- case AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL:
- return "AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL";
- case AUDCLNT_E_EVENTHANDLE_NOT_SET:
- return "AUDCLNT_E_EVENTHANDLE_NOT_SET";
- case AUDCLNT_E_INCORRECT_BUFFER_SIZE:
- return "AUDCLNT_E_INCORRECT_BUFFER_SIZE";
- case AUDCLNT_E_BUFFER_SIZE_ERROR:
- return "AUDCLNT_E_BUFFER_SIZE_ERROR";
- case AUDCLNT_E_CPUUSAGE_EXCEEDED:
- return "AUDCLNT_E_CPUUSAGE_EXCEEDED";
- case AUDCLNT_E_BUFFER_ERROR:
- return "AUDCLNT_E_BUFFER_ERROR";
- case AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED:
- return "AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED";
- case AUDCLNT_E_INVALID_DEVICE_PERIOD:
- return "AUDCLNT_E_INVALID_DEVICE_PERIOD";
- case AUDCLNT_E_INVALID_STREAM_FLAG:
- return "AUDCLNT_E_INVALID_STREAM_FLAG";
- case AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE:
- return "AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE";
- case AUDCLNT_E_RESOURCES_INVALIDATED:
- return "AUDCLNT_E_RESOURCES_INVALIDATED";
- case AUDCLNT_S_BUFFER_EMPTY:
- return "AUDCLNT_S_BUFFER_EMPTY";
- case AUDCLNT_S_THREAD_ALREADY_REGISTERED:
- return "AUDCLNT_S_THREAD_ALREADY_REGISTERED";
- case AUDCLNT_S_POSITION_STALLED:
- return "AUDCLNT_S_POSITION_STALLED";
- default:
- return "<Unknown>";
- }
-}
-
-static void set_format(WAVEFORMATEXTENSIBLE *wformat, WORD bytepersample,
- DWORD samplerate, WORD channels, DWORD chanmask)
-{
- wformat->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; /* Only PCM is supported */
- wformat->Format.nChannels = channels;
- wformat->Format.nSamplesPerSec = samplerate;
- wformat->Format.nAvgBytesPerSec = wformat->Format.nChannels *
- bytepersample *
- wformat->Format.nSamplesPerSec;
- wformat->Format.nBlockAlign = wformat->Format.nChannels * bytepersample;
- wformat->Format.wBitsPerSample = bytepersample * 8;
- wformat->Format.cbSize =
- 22; /* must be at least 22 for WAVE_FORMAT_EXTENSIBLE */
- if (bytepersample == 4)
- wformat->SubFormat = local_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
- else
- wformat->SubFormat = local_KSDATAFORMAT_SUBTYPE_PCM;
- wformat->Samples.wValidBitsPerSample = wformat->Format.wBitsPerSample;
- wformat->dwChannelMask = chanmask;
-}
-
-static int format_set_bits(int old_format, int bits, int fp) {
- int format = old_format;
- format &= (~AF_FORMAT_BITS_MASK) & (~AF_FORMAT_POINT_MASK) & (~AF_FORMAT_SIGN_MASK);
- format |= AF_FORMAT_SI;
-
- switch (bits) {
- case 32:
- format |= AF_FORMAT_32BIT;
- break;
- case 24:
- format |= AF_FORMAT_24BIT;
- break;
- case 16:
- format |= AF_FORMAT_16BIT;
- break;
- default:
- abort(); // (should be) unreachable
- }
-
- if (fp) {
- format |= AF_FORMAT_F;
- } else {
- format |= AF_FORMAT_I;
- }
-
- return format;
-}
-
-static int set_ao_format(struct wasapi_state *state,
- struct ao *const ao,
- WAVEFORMATEXTENSIBLE wformat) {
- // .Data1 == 1 is PCM, .Data1 == 3 is IEEE_FLOAT
- int format = format_set_bits(ao->format,
- wformat.Format.wBitsPerSample, wformat.SubFormat.Data1 == 3);
-
- if (wformat.SubFormat.Data1 != 1 && wformat.SubFormat.Data1 != 3) {
- MP_ERR(ao, "unknown SubFormat %"PRIu32"\n",
- (uint32_t)wformat.SubFormat.Data1);
- return 0;
- }
-
- ao->samplerate = wformat.Format.nSamplesPerSec;
- ao->bps = wformat.Format.nAvgBytesPerSec;
- ao->format = format;
-
- if (ao->channels.num != wformat.Format.nChannels) {
- mp_chmap_from_channels(&ao->channels, wformat.Format.nChannels);
- }
-
- state->format = wformat;
- return 1;
-}
-
-static int try_format(struct wasapi_state *state,
- struct ao *const ao,
- int bits, int samplerate,
- const struct mp_chmap channels)
-{
- WAVEFORMATEXTENSIBLE wformat;
- set_format(&wformat, bits / 8, samplerate, channels.num, mp_chmap_to_waveext(&channels));
-
- int af_format = format_set_bits(ao->format, bits, bits == 32);
-
- MP_VERBOSE(ao, "trying %dch %s @ %dhz\n",
- channels.num, af_fmt_to_str(af_format), samplerate);
-
- union WAVEFMT u;
- u.extensible = &wformat;
-
- WAVEFORMATEX *closestMatch;
- HRESULT hr = IAudioClient_IsFormatSupported(state->pAudioClient,
- state->share_mode,
- u.ex, &closestMatch);
-
- if (closestMatch) {
- if (closestMatch->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
- u.ex = closestMatch;
- wformat = *u.extensible;
- } else {
- wformat.Format = *closestMatch;
- }
-
- CoTaskMemFree(closestMatch);
- }
-
- if (hr == S_FALSE) {
- if (set_ao_format(state, ao, wformat)) {
- MP_VERBOSE(ao, "accepted as %dch %s @ %dhz\n",
- ao->channels.num, af_fmt_to_str(ao->format), ao->samplerate);
-
- return 1;
- }
- } if (hr == S_OK || (!state->opt_exclusive && hr == AUDCLNT_E_UNSUPPORTED_FORMAT)) {
- // AUDCLNT_E_UNSUPPORTED_FORMAT here means "works in shared, doesn't in exclusive"
- if (set_ao_format(state, ao, wformat)) {
- MP_VERBOSE(ao, "%dch %s @ %dhz accepted\n",
- ao->channels.num, af_fmt_to_str(af_format), samplerate);
- return 1;
- }
- }
- return 0;
-}
-
-static int try_mix_format(struct wasapi_state *state,
- struct ao *const ao)
-{
- WAVEFORMATEX *deviceFormat = NULL;
- WAVEFORMATEX *closestMatch = NULL;
- int ret = 0;
-
- HRESULT hr = IAudioClient_GetMixFormat(state->pAudioClient, &deviceFormat);
- EXIT_ON_ERROR(hr);
-
- union WAVEFMT u;
- u.ex = deviceFormat;
- WAVEFORMATEXTENSIBLE wformat = *u.extensible;
-
- ret = try_format(state, ao, wformat.Format.wBitsPerSample,
- wformat.Format.nSamplesPerSec, ao->channels);
- if (ret)
- state->format = wformat;
-
-exit_label:
- SAFE_RELEASE(deviceFormat, CoTaskMemFree(deviceFormat));
- SAFE_RELEASE(closestMatch, CoTaskMemFree(closestMatch));
- return ret;
-}
-
-static int try_passthrough(struct wasapi_state *state,
- struct ao *const ao)
-{
- WAVEFORMATEXTENSIBLE wformat = {
- .Format = {
- .wFormatTag = WAVE_FORMAT_EXTENSIBLE,
- .nChannels = ao->channels.num,
- .nSamplesPerSec = ao->samplerate,
- .nAvgBytesPerSec = (ao->samplerate) * (ao->channels.num * 2),
- .nBlockAlign = ao->channels.num * 2,
- .wBitsPerSample = 16,
- .cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX),
- },
- .Samples.wValidBitsPerSample = 16,
- .dwChannelMask = mp_chmap_to_waveext(&ao->channels),
- .SubFormat = local_KSDATAFORMAT_SUBTYPE_PCM,
- };
- wformat.SubFormat.Data1 = WAVE_FORMAT_DOLBY_AC3_SPDIF; // see INIT_WAVEFORMATEX_GUID macro
-
- union WAVEFMT u;
- u.extensible = &wformat;
-
- MP_VERBOSE(ao, "trying passthrough for %s...\n",
- af_fmt_to_str((ao->format&~AF_FORMAT_END_MASK) | AF_FORMAT_LE));
-
- HRESULT hr = IAudioClient_IsFormatSupported(state->pAudioClient,
- state->share_mode,
- u.ex, NULL);
- if (!FAILED(hr)) {
- ao->format = (ao->format&~AF_FORMAT_END_MASK) | AF_FORMAT_LE;
- state->format = wformat;
- return 1;
- }
- return 0;
-}
-
-static int find_formats(struct ao *const ao)
-{
- struct wasapi_state *state = (struct wasapi_state *)ao->priv;
-
- if (AF_FORMAT_IS_IEC61937(ao->format) || ao->format == AF_FORMAT_MPEG2) {
- if (try_passthrough(state, ao))
- return 0;
-
- MP_ERR(ao, "couldn't use passthrough!");
- if (!state->opt_exclusive)
- MP_ERR(ao, " (try exclusive mode)");
- MP_ERR(ao, "\n");
- return -1;
- }
-
- /* See if the format works as-is */
- int bits = af_fmt2bits(ao->format);
- /* don't try 8bits -- there are various 8bit modes other than PCM (*-law et al);
- let's just stick to PCM or float here. */
- if (bits == 8) {
- bits = 16;
- } else if (try_format(state, ao, bits, ao->samplerate, ao->channels)) {
- return 0;
- }
- if (!state->opt_exclusive) {
- /* shared mode, we can use the system default mix format. */
- if (try_mix_format(state, ao)) {
- return 0;
- }
-
- MP_WARN(ao, "couldn't use default mix format!\n");
- }
-
- /* Exclusive mode, we have to guess. */
-
- /* as far as testing shows, only PCM 16/24LE (44100Hz - 192kHz) is supported
- * Tested on Realtek High Definition Audio, (Realtek Semiconductor Corp. 6.0.1.6312)
- * Drivers dated 2/18/2011
- */
-
- /* try float first for non-16bit audio */
- if (bits != 16) {
- bits = 32;
- }
-
- int start_bits = bits;
- while (1) { // not infinite -- returns at bottom
- for (; bits > 8; bits -= 8) {
- int samplerate = ao->samplerate;
- if (try_format(state, ao, bits, samplerate, ao->channels)) {
- return 0;
- }
-
- // make samplerate fit in [44100 192000]
- // we check for samplerate > 96k so that we can upsample instead of downsampling later
- if (samplerate < 44100 || samplerate > 96000) {
- if (samplerate < 44100)
- samplerate = 44100;
- if (samplerate > 96000)
- samplerate = 192000;
-
- if (try_format(state, ao, bits, samplerate, ao->channels)) {
- return 0;
- }
- }
-
- // try bounding to 96kHz
- if (samplerate > 48000) {
- samplerate = 96000;
- if (try_format(state, ao, bits, samplerate, ao->channels)) {
- return 0;
- }
- }
-
- // try bounding to 48kHz
- if (samplerate > 44100) {
- samplerate = 48000;
- if (try_format(state, ao, bits, samplerate, ao->channels)) {
- return 0;
- }
- }
-
- /* How bad is this? try 44100hz, but only on 16bit */
- if (bits == 16 && samplerate != 44100) {
- samplerate = 44100;
-
- if (try_format(state, ao, bits, samplerate, ao->channels)) {
- return 0;
- }
- }
- }
-
- if (ao->channels.num > 6) {
- /* Maybe this is 5.1 hardware with no support for more. */
- bits = start_bits;
- mp_chmap_from_channels(&ao->channels, 6);
- } else if (ao->channels.num != 2) {
- /* Poor quality hardware? Try stereo mode, go through the list again. */
- bits = start_bits;
- mp_chmap_from_channels(&ao->channels, 2);
- } else {
- MP_ERR(ao, "couldn't find acceptable audio format!\n");
- return -1;
- }
- }
-}
-
-static int init_clock(struct wasapi_state *state) {
- HRESULT hr;
-
- hr = IAudioClient_GetService(state->pAudioClient,
- &IID_IAudioClock,
- (void **)&state->pAudioClock);
- EXIT_ON_ERROR(hr);
- hr = IAudioClock_GetFrequency(state->pAudioClock, &state->clock_frequency);
- EXIT_ON_ERROR(hr);
-
- QueryPerformanceFrequency(&state->qpc_frequency);
-
- state->sample_count = 0;
-
- MP_VERBOSE(state, "IAudioClock::GetFrequency gave a frequency of %"PRIu64".\n", (uint64_t) state->clock_frequency);
-
- return 0;
-exit_label:
- MP_ERR(state, "init_clock failed with %s, unable to obtain the audio device's timing!\n",
- explain_err(hr));
- SetEvent(state->fatal_error);
- return 1;
-}
-
-static int fix_format(struct wasapi_state *state)
-{
- HRESULT hr;
- double offset = 0.5;
-
- /* cargo cult code to negotiate buffer block size, affected by hardware/drivers combinations,
- gradually grow it to 10s, by 0.5s, consider failure if it still doesn't work
- */
- hr = IAudioClient_GetDevicePeriod(state->pAudioClient,
- &state->defaultRequestedDuration,
- &state->minRequestedDuration);
-reinit:
- hr = IAudioClient_Initialize(state->pAudioClient,
- state->share_mode,
- AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
- state->defaultRequestedDuration,
- state->defaultRequestedDuration,
- &(state->format.Format),
- NULL);
- /* something about buffer sizes on Win7, fixme might loop forever */
- if (hr == AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED) {
- MP_VERBOSE(state, "IAudioClient::Initialize negotiation failed with %s, used %lld * 100ns\n",
- explain_err(hr), state->defaultRequestedDuration);
- if (offset > 10.0)
- goto exit_label; /* is 10 enough to break out of the loop?*/
- IAudioClient_GetBufferSize(state->pAudioClient, &state->bufferFrameCount);
- state->defaultRequestedDuration =
- (REFERENCE_TIME)((BUFFER_TIME / state->format.Format.nSamplesPerSec *
- state->bufferFrameCount) + offset);
- offset += 0.5;
- IAudioClient_Release(state->pAudioClient);
- state->pAudioClient = NULL;
- hr = IMMDeviceActivator_Activate(state->pDevice,
- &IID_IAudioClient, CLSCTX_ALL,
- NULL, (void **)&state->pAudioClient);
- goto reinit;
- }
- EXIT_ON_ERROR(hr);
- hr = IAudioClient_GetService(state->pAudioClient,
- &IID_IAudioRenderClient,
- (void **)&state->pRenderClient);
- EXIT_ON_ERROR(hr);
- if (!state->hFeed)
- goto exit_label;
- hr = IAudioClient_SetEventHandle(state->pAudioClient, state->hFeed);
- EXIT_ON_ERROR(hr);
- hr = IAudioClient_GetBufferSize(state->pAudioClient,
- &state->bufferFrameCount);
- EXIT_ON_ERROR(hr);
- state->buffer_block_size = state->format.Format.nChannels *
- state->format.Format.wBitsPerSample / 8 *
- state->bufferFrameCount;
-
- if (init_clock(state))
- return 1;
-
- state->hTask =
- state->VistaBlob.pAvSetMmThreadCharacteristicsW(L"Pro Audio", &state->taskIndex);
- MP_VERBOSE(state, "fix_format OK, using %lld byte buffer block size!\n",
- (long long) state->buffer_block_size);
- return 0;
-exit_label:
- MP_ERR(state, "fix_format fails with %s, failed to determine buffer block size!\n",
- explain_err(hr));
- SetEvent(state->fatal_error);
- return 1;
-}
-
-static char* wstring_to_utf8(wchar_t *wstring) {
- if (wstring) {
- int len = WideCharToMultiByte(CP_UTF8, 0, wstring, -1, NULL, 0, NULL, NULL);
- char *ret = malloc(len);
- WideCharToMultiByte(CP_UTF8, 0, wstring, -1, ret, len, NULL, NULL);
- return ret;
- }
- return NULL;
-}
-
-static char* get_device_id(IMMDevice *pDevice) {
- if (!pDevice) {
- return NULL;
- }
-
- LPWSTR devid = NULL;
- char *idstr = NULL;
-
- HRESULT hr = IMMDevice_GetId(pDevice, &devid);
- EXIT_ON_ERROR(hr);
-
- idstr = wstring_to_utf8(devid);
-
- if (strstr(idstr, "{0.0.0.00000000}.")) {
- char *stripped = strdup(idstr + strlen("{0.0.0.00000000}."));
- free(idstr);
- idstr = stripped;
- }
-
-exit_label:
- SAFE_RELEASE(devid, CoTaskMemFree(devid));
- return idstr;
-}
-
-static char* get_device_name(IMMDevice *pDevice) {
- if (!pDevice) {
- return NULL;
- }
-
- IPropertyStore *pProps = NULL;
- char *namestr = NULL;
-
- HRESULT hr = IMMDevice_OpenPropertyStore(pDevice, STGM_READ, &pProps);
- EXIT_ON_ERROR(hr);
-
- PROPVARIANT devname;
- PropVariantInit(&devname);
-
- hr = IPropertyStore_GetValue(pProps, &PKEY_Device_FriendlyName, &devname);
- EXIT_ON_ERROR(hr);
-
- namestr = wstring_to_utf8(devname.pwszVal);
-
-exit_label:
- PropVariantClear(&devname);
- SAFE_RELEASE(pProps, IPropertyStore_Release(pProps));
- return namestr;
-}
-
-static char* get_device_desc(IMMDevice *pDevice) {
- if (!pDevice) {
- return NULL;
- }
-
- IPropertyStore *pProps = NULL;
- char *desc = NULL;
-
- HRESULT hr = IMMDevice_OpenPropertyStore(pDevice, STGM_READ, &pProps);
- EXIT_ON_ERROR(hr);
-
- PROPVARIANT devdesc;
- PropVariantInit(&devdesc);
-
- hr = IPropertyStore_GetValue(pProps, &PKEY_Device_DeviceDesc, &devdesc);
- EXIT_ON_ERROR(hr);
-
- desc = wstring_to_utf8(devdesc.pwszVal);
-
-exit_label:
- PropVariantClear(&devdesc);
- SAFE_RELEASE(pProps, IPropertyStore_Release(pProps));
- return desc;
-}
-
-// frees *idstr
-static int device_id_match(char *idstr, char *candidate) {
- if (idstr == NULL || candidate == NULL)
- return 0;
-
- int found = 0;
-#define FOUND(x) do { found = (x); goto end; } while(0)
- if (strcmp(idstr, candidate) == 0)
- FOUND(1);
- if (strstr(idstr, "{0.0.0.00000000}.")) {
- char *start = idstr + strlen("{0.0.0.00000000}.");
- if (strcmp(start, candidate) == 0)
- FOUND(1);
- }
-#undef FOUND
-end:
- free(idstr);
- return found;
-}
-
-static HRESULT enumerate_with_state(struct mp_log *log, char *header,
- int status, int with_id)
-{
- HRESULT hr;
- IMMDeviceEnumerator *pEnumerator = NULL;
- IMMDeviceCollection *pDevices = NULL;
- IMMDevice *pDevice = NULL;
- char *defid = NULL;
-
- hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL,
- &IID_IMMDeviceEnumerator, (void **)&pEnumerator);
- EXIT_ON_ERROR(hr);
-
- hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(pEnumerator,
- eRender, eConsole,
- &pDevice);
- EXIT_ON_ERROR(hr);
-
- defid = get_device_id(pDevice);
-
- SAFE_RELEASE(pDevice, IMMDevice_Release(pDevice));
-
- hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eRender,
- status, &pDevices);
- EXIT_ON_ERROR(hr);
-
- int count;
- IMMDeviceCollection_GetCount(pDevices, &count);
- if (count > 0) {
- mp_info(log, "%s\n", header);
- }
-
- for (int i = 0; i < count; i++) {
- hr = IMMDeviceCollection_Item(pDevices, i, &pDevice);
- EXIT_ON_ERROR(hr);
-
- char *name = get_device_name(pDevice);
- char *id = get_device_id(pDevice);
-
- char *mark = "";
- if (strcmp(id, defid) == 0)
- mark = " (default)";
-
- if (with_id) {
- mp_info(log, "Device #%d: %s, ID: %s%s\n", i, name, id, mark);
- } else {
- mp_info(log, "%s, ID: %s%s\n", name, id, mark);
- }
-
- free(name);
- free(id);
- SAFE_RELEASE(pDevice, IMMDevice_Release(pDevice));
- }
- free(defid);
- SAFE_RELEASE(pDevices, IMMDeviceCollection_Release(pDevices));
- SAFE_RELEASE(pEnumerator, IMMDeviceEnumerator_Release(pEnumerator));
- return hr;
-
-exit_label:
- free(defid);
- SAFE_RELEASE(pDevice, IMMDevice_Release(pDevice));
- SAFE_RELEASE(pDevices, IMMDeviceCollection_Release(pDevices));
- SAFE_RELEASE(pEnumerator, IMMDeviceEnumerator_Release(pEnumerator));
- return hr;
-}
-
-static int enumerate_devices(struct mp_log *log)
-{
- HRESULT hr;
- CoInitialize(NULL);
-
- hr = enumerate_with_state(log, "Active devices:", DEVICE_STATE_ACTIVE, 1);
- EXIT_ON_ERROR(hr);
- hr = enumerate_with_state(log, "Unplugged devices:", DEVICE_STATE_UNPLUGGED, 0);
- EXIT_ON_ERROR(hr);
- CoUninitialize();
- return 0;
-exit_label:
- mp_err(log, "Error enumerating devices: HRESULT %08"PRIx32" \"%s\"\n",
- (uint32_t)hr, explain_err(hr));
- CoUninitialize();
- return 1;
-}
-
-static HRESULT find_and_load_device(struct ao *ao, IMMDevice **ppDevice,
- char *search)
-{
- HRESULT hr;
- IMMDeviceEnumerator *pEnumerator = NULL;
- IMMDeviceCollection *pDevices = NULL;
- IMMDevice *pTempDevice = NULL;
- LPWSTR deviceID = NULL;
-
- char *end;
- int devno = (int) strtol(search, &end, 10);
-
- char *devid = NULL;
- if (end == search || *end) {
- devid = search;
- }
-
- hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL,
- &IID_IMMDeviceEnumerator, (void**)&pEnumerator);
- EXIT_ON_ERROR(hr);
-
- int search_err = 0;
-
- if (devid == NULL) {
- hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eRender,
- DEVICE_STATE_ACTIVE, &pDevices);
- EXIT_ON_ERROR(hr);
-
- int count;
- IMMDeviceCollection_GetCount(pDevices, &count);
-
- if (devno >= count) {
- MP_ERR(ao, "no device #%d!\n", devno);
- } else {
- MP_VERBOSE(ao, "finding device #%d\n", devno);
- hr = IMMDeviceCollection_Item(pDevices, devno, &pTempDevice);
- EXIT_ON_ERROR(hr);
-
- hr = IMMDevice_GetId(pTempDevice, &deviceID);
- EXIT_ON_ERROR(hr);
-
- MP_VERBOSE(ao, "found device #%d\n", devno);
- }
- } else {
- hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eRender,
- DEVICE_STATE_ACTIVE|DEVICE_STATE_UNPLUGGED,
- &pDevices);
- EXIT_ON_ERROR(hr);
-
- int count;
- IMMDeviceCollection_GetCount(pDevices, &count);
-
- MP_VERBOSE(ao, "finding device %s\n", devid);
-
- IMMDevice *prevDevice = NULL;
-
- for (int i = 0; i < count; i++) {
- hr = IMMDeviceCollection_Item(pDevices, i, &pTempDevice);
- EXIT_ON_ERROR(hr);
-
- if (device_id_match(get_device_id(pTempDevice), devid)) {
- hr = IMMDevice_GetId(pTempDevice, &deviceID);
- EXIT_ON_ERROR(hr);
- break;
- }
- char *desc = get_device_desc(pTempDevice);
- if (strstr(desc, devid)) {
- if (deviceID) {
- char *name;
- if (!search_err) {
- MP_ERR(ao, "multiple matching devices found!\n");
- name = get_device_name(prevDevice);
- MP_ERR(ao, "%s\n", name);
- free(name);
- search_err = 1;
- }
- name = get_device_name(pTempDevice);
- MP_ERR(ao, "%s\n", name);
- free(name);
- }
- hr = IMMDevice_GetId(pTempDevice, &deviceID);
- prevDevice = pTempDevice;
- }
- free(desc);
-
- SAFE_RELEASE(pTempDevice, IMMDevice_Release(pTempDevice));
- }
-
- if (deviceID == NULL) {
- MP_ERR(ao, "could not find device %s!\n", devid);
- }
- }
-
- SAFE_RELEASE(pTempDevice, IMMDevice_Release(pTempDevice));
- SAFE_RELEASE(pDevices, IMMDeviceCollection_Release(pDevices));
-
- if (deviceID == NULL || search_err) {
- hr = E_NOTFOUND;
- } else {
- MP_VERBOSE(ao, "loading device %S\n", deviceID);
-
- hr = IMMDeviceEnumerator_GetDevice(pEnumerator, deviceID, ppDevice);
-
- if (FAILED(hr)) {
- MP_ERR(ao, "could not load requested device!\n");
- }
- }
-
-exit_label:
- SAFE_RELEASE(pTempDevice, IMMDevice_Release(pTempDevice));
- SAFE_RELEASE(pDevices, IMMDeviceCollection_Release(pDevices));
- SAFE_RELEASE(pEnumerator, IMMDeviceEnumerator_Release(pEnumerator));
- return hr;
-}
-
-static int validate_device(struct mp_log *log, const m_option_t *opt,
- struct bstr name, struct bstr param)
-{
- if (bstr_equals0(param, "help")) {
- enumerate_devices(log);
- return M_OPT_EXIT;
- }
-
- mp_dbg(log, "validating device=%s\n", param.start);
-
- char *end;
- int devno = (int) strtol(param.start, &end, 10);
-
- int ret = 1;
- if ((end == (void*)param.start || *end) && devno < 0)
- ret = M_OPT_OUT_OF_RANGE;
-
- mp_dbg(log, "device=%s %svalid\n", param.start, ret == 1 ? "" : "not ");
- return ret;
-}
-
static int thread_init(struct ao *ao)
{
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
@@ -952,15 +64,15 @@ static int thread_init(struct ao *ao)
&state->pDevice);
SAFE_RELEASE(pEnumerator, IMMDeviceEnumerator_Release(pEnumerator));
- char *id = get_device_id(state->pDevice);
+ char *id = wasapi_get_device_id(state->pDevice);
MP_VERBOSE(ao, "default device ID: %s\n", id);
free(id);
} else {
- hr = find_and_load_device(ao, &state->pDevice, state->opt_device);
+ hr = wasapi_find_and_load_device(ao, &state->pDevice, state->opt_device);
}
EXIT_ON_ERROR(hr);
- char *name = get_device_name(state->pDevice);
+ char *name = wasapi_get_device_name(state->pDevice);
MP_VERBOSE(ao, "device loaded: %s\n", name);
free(name);
@@ -975,10 +87,10 @@ static int thread_init(struct ao *ao)
IAudioEndpointVolume_QueryHardwareSupport(state->pEndpointVolume,
&state->vol_hw_support);
- state->init_ret = find_formats(ao); /* Probe support formats */
+ state->init_ret = wasapi_find_formats(ao); /* Probe support formats */
if (state->init_ret)
goto exit_label;
- if (!fix_format(state)) { /* now that we're sure what format to use */
+ if (!wasapi_fix_format(state)) { /* now that we're sure what format to use */
MP_VERBOSE(ao, "thread_init OK!\n");
SetEvent(state->init_done);
return state->init_ret;
@@ -999,7 +111,7 @@ static double get_device_delay(struct wasapi_state *state) {
case S_OK: case S_FALSE:
break;
default:
- MP_ERR(state, "IAudioClock::GetPosition returned %s\n", explain_err(hr));
+ MP_ERR(state, "IAudioClock::GetPosition returned %s\n", wasapi_explain_err(hr));
}
LARGE_INTEGER qpc_count;
@@ -1232,10 +344,10 @@ static int init(struct ao *ao)
return -1;
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
state->log = ao->log;
- fill_VistaBlob(state);
+ wasapi_fill_VistaBlob(state);
if (state->opt_list) {
- enumerate_devices(state->log);
+ wasapi_enumerate_devices(state->log);
}
if (state->opt_exclusive) {
@@ -1345,7 +457,7 @@ const struct ao_driver audio_out_wasapi = {
.options = (const struct m_option[]) {
OPT_FLAG("exclusive", opt_exclusive, 0),
OPT_FLAG("list", opt_list, 0),
- OPT_STRING_VALIDATE("device", opt_device, 0, validate_device),
+ OPT_STRING_VALIDATE("device", opt_device, 0, wasapi_validate_device),
{NULL},
},
};