Tha_14/tomato-testing
1
0
Fork 0
forked from Green-Sky/tomato
Code Pull Requests Actions Packages Releases Activity

update sdl Merge commit '4d48f9d23713d94b861da7b5d41baf2a41334994'

Browse Source
This commit is contained in:
Green Sky
2023-08-12 20:17:29 +02:00
parent bd9bbf67d4 4d48f9d237
commit 6df0417667
215 changed files with 12672 additions and 17114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

403
external/sdl/SDL/src/audio/directsound/SDL_directsound.c vendored
View File

@ -22,34 +22,34 @@
#ifdef SDL_AUDIO_DRIVER_DSOUND
/* Allow access to a raw mixing buffer */
#include "../SDL_audio_c.h"
#include "SDL_directsound.h"
#include <mmreg.h>
#ifdef HAVE_MMDEVICEAPI_H
#include "../../core/windows/SDL_immdevice.h"
#endif /* HAVE_MMDEVICEAPI_H */
#endif
#ifndef WAVE_FORMAT_IEEE_FLOAT
#define WAVE_FORMAT_IEEE_FLOAT 0x0003
#endif
/* For Vista+, we can enumerate DSound devices with IMMDevice */
// For Vista+, we can enumerate DSound devices with IMMDevice
#ifdef HAVE_MMDEVICEAPI_H
static SDL_bool SupportsIMMDevice = SDL_FALSE;
#endif /* HAVE_MMDEVICEAPI_H */
#endif
/* DirectX function pointers for audio */
// DirectX function pointers for audio
static void *DSoundDLL = NULL;
typedef HRESULT(WINAPI *fnDirectSoundCreate8)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN);
typedef HRESULT(WINAPI *fnDirectSoundEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
typedef HRESULT(WINAPI *fnDirectSoundCaptureCreate8)(LPCGUID, LPDIRECTSOUNDCAPTURE8 *, LPUNKNOWN);
typedef HRESULT(WINAPI *fnDirectSoundCaptureEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
typedef HRESULT(WINAPI *fnGetDeviceID)(LPCGUID, LPGUID);
static fnDirectSoundCreate8 pDirectSoundCreate8 = NULL;
static fnDirectSoundEnumerateW pDirectSoundEnumerateW = NULL;
static fnDirectSoundCaptureCreate8 pDirectSoundCaptureCreate8 = NULL;
static fnDirectSoundCaptureEnumerateW pDirectSoundCaptureEnumerateW = NULL;
static fnGetDeviceID pGetDeviceID = NULL;
static const GUID SDL_KSDATAFORMAT_SUBTYPE_PCM = { 0x00000001, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } };
static const GUID SDL_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = { 0x00000003, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } };
@ -60,6 +60,7 @@ static void DSOUND_Unload(void)
pDirectSoundEnumerateW = NULL;
pDirectSoundCaptureCreate8 = NULL;
pDirectSoundCaptureEnumerateW = NULL;
pGetDeviceID = NULL;
if (DSoundDLL != NULL) {
SDL_UnloadObject(DSoundDLL);
@ -77,18 +78,19 @@ static int DSOUND_Load(void)
if (DSoundDLL == NULL) {
SDL_SetError("DirectSound: failed to load DSOUND.DLL");
} else {
/* Now make sure we have DirectX 8 or better... */
// Now make sure we have DirectX 8 or better...
#define DSOUNDLOAD(f) \
{ \
p##f = (fn##f)SDL_LoadFunction(DSoundDLL, #f); \
if (!p##f) \
loaded = 0; \
}
loaded = 1; /* will reset if necessary. */
loaded = 1; // will reset if necessary.
DSOUNDLOAD(DirectSoundCreate8);
DSOUNDLOAD(DirectSoundEnumerateW);
DSOUNDLOAD(DirectSoundCaptureCreate8);
DSOUNDLOAD(DirectSoundCaptureEnumerateW);
DSOUNDLOAD(GetDeviceID);
#undef DSOUNDLOAD
if (!loaded) {
@ -149,56 +151,81 @@ static int SetDSerror(const char *function, int code)
return SDL_SetError("%s: %s (0x%x)", function, error, code);
}
static void DSOUND_FreeDeviceHandle(void *handle)
{
SDL_free(handle);
}
static int DSOUND_GetDefaultAudioInfo(char **name, SDL_AudioSpec *spec, int iscapture)
static void DSOUND_FreeDeviceHandle(SDL_AudioDevice *device)
{
#ifdef HAVE_MMDEVICEAPI_H
if (SupportsIMMDevice) {
return SDL_IMMDevice_GetDefaultAudioInfo(name, spec, iscapture);
SDL_IMMDevice_FreeDeviceHandle(device);
} else
#endif
{
SDL_free(device->handle);
}
#endif /* HAVE_MMDEVICEAPI_H */
return SDL_Unsupported();
}
static BOOL CALLBACK FindAllDevs(LPGUID guid, LPCWSTR desc, LPCWSTR module, LPVOID data)
// FindAllDevs is presumably only used on WinXP; Vista and later can use IMMDevice for better results.
typedef struct FindAllDevsData
{
const int iscapture = (int)((size_t)data);
if (guid != NULL) { /* skip default device */
SDL_bool iscapture;
SDL_AudioDevice **default_device;
LPCGUID default_device_guid;
} FindAllDevsData;
static BOOL CALLBACK FindAllDevs(LPGUID guid, LPCWSTR desc, LPCWSTR module, LPVOID userdata)
{
FindAllDevsData *data = (FindAllDevsData *) userdata;
if (guid != NULL) { // skip default device
char *str = WIN_LookupAudioDeviceName(desc, guid);
if (str != NULL) {
LPGUID cpyguid = (LPGUID)SDL_malloc(sizeof(GUID));
SDL_memcpy(cpyguid, guid, sizeof(GUID));
if (cpyguid) {
SDL_memcpy(cpyguid, guid, sizeof(GUID));
/* Note that spec is NULL, because we are required to connect to the
* device before getting the channel mask and output format, making
* this information inaccessible at enumeration time
*/
SDL_AddAudioDevice(iscapture, str, NULL, cpyguid);
SDL_free(str); /* addfn() makes a copy of this string. */
/* Note that spec is NULL, because we are required to connect to the
* device before getting the channel mask and output format, making
* this information inaccessible at enumeration time
*/
SDL_AudioDevice *device = SDL_AddAudioDevice(data->iscapture, str, NULL, cpyguid);
if (device && data->default_device && data->default_device_guid) {
if (SDL_memcmp(cpyguid, data->default_device_guid, sizeof (GUID)) == 0) {
*data->default_device = device;
}
}
}
SDL_free(str); // SDL_AddAudioDevice() makes a copy of this string.
}
}
return TRUE; /* keep enumerating. */
return TRUE; // keep enumerating.
}
static void DSOUND_DetectDevices(void)
static void DSOUND_DetectDevices(SDL_AudioDevice **default_output, SDL_AudioDevice **default_capture)
{
#ifdef HAVE_MMDEVICEAPI_H
if (SupportsIMMDevice) {
SDL_IMMDevice_EnumerateEndpoints(SDL_TRUE);
} else {
#endif /* HAVE_MMDEVICEAPI_H */
pDirectSoundCaptureEnumerateW(FindAllDevs, (void *)((size_t)1));
pDirectSoundEnumerateW(FindAllDevs, (void *)((size_t)0));
#ifdef HAVE_MMDEVICEAPI_H
SDL_IMMDevice_EnumerateEndpoints(default_output, default_capture);
} else
#endif
{
// Without IMMDevice, you can enumerate devices and figure out the default devices,
// but you won't get device hotplug or default device change notifications. But this is
// only for WinXP; Windows Vista and later should be using IMMDevice.
FindAllDevsData data;
GUID guid;
data.iscapture = SDL_TRUE;
data.default_device = default_capture;
data.default_device_guid = (pGetDeviceID(&DSDEVID_DefaultCapture, &guid) == DS_OK) ? &guid : NULL;
pDirectSoundCaptureEnumerateW(FindAllDevs, &data);
data.iscapture = SDL_FALSE;
data.default_device = default_output;
data.default_device_guid = (pGetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) ? &guid : NULL;
pDirectSoundEnumerateW(FindAllDevs, &data);
}
#endif /* HAVE_MMDEVICEAPI_H*/
}
static void DSOUND_WaitDevice(SDL_AudioDevice *_this)
static void DSOUND_WaitDevice(SDL_AudioDevice *device)
{
DWORD status = 0;
DWORD cursor = 0;
@ -208,11 +235,11 @@ static void DSOUND_WaitDevice(SDL_AudioDevice *_this)
/* Semi-busy wait, since we have no way of getting play notification
on a primary mixing buffer located in hardware (DirectX 5.0)
*/
result = IDirectSoundBuffer_GetCurrentPosition(_this->hidden->mixbuf,
result = IDirectSoundBuffer_GetCurrentPosition(device->hidden->mixbuf,
&junk, &cursor);
if (result != DS_OK) {
if (result == DSERR_BUFFERLOST) {
IDirectSoundBuffer_Restore(_this->hidden->mixbuf);
IDirectSoundBuffer_Restore(device->hidden->mixbuf);
}
#ifdef DEBUG_SOUND
SetDSerror("DirectSound GetCurrentPosition", result);
@ -220,21 +247,24 @@ static void DSOUND_WaitDevice(SDL_AudioDevice *_this)
return;
}
while ((cursor / _this->spec.size) == _this->hidden->lastchunk) {
/* FIXME: find out how much time is left and sleep that long */
while ((cursor / device->buffer_size) == device->hidden->lastchunk) {
if (SDL_AtomicGet(&device->shutdown)) {
return;
}
SDL_Delay(1);
/* Try to restore a lost sound buffer */
IDirectSoundBuffer_GetStatus(_this->hidden->mixbuf, &status);
// Try to restore a lost sound buffer
IDirectSoundBuffer_GetStatus(device->hidden->mixbuf, &status);
if (status & DSBSTATUS_BUFFERLOST) {
IDirectSoundBuffer_Restore(_this->hidden->mixbuf);
IDirectSoundBuffer_GetStatus(_this->hidden->mixbuf, &status);
IDirectSoundBuffer_Restore(device->hidden->mixbuf);
IDirectSoundBuffer_GetStatus(device->hidden->mixbuf, &status);
if (status & DSBSTATUS_BUFFERLOST) {
break;
}
}
if (!(status & DSBSTATUS_PLAYING)) {
result = IDirectSoundBuffer_Play(_this->hidden->mixbuf, 0, 0,
result = IDirectSoundBuffer_Play(device->hidden->mixbuf, 0, 0,
DSBPLAY_LOOPING);
if (result == DS_OK) {
continue;
@ -245,8 +275,8 @@ static void DSOUND_WaitDevice(SDL_AudioDevice *_this)
return;
}
/* Find out where we are playing */
result = IDirectSoundBuffer_GetCurrentPosition(_this->hidden->mixbuf,
// Find out where we are playing
result = IDirectSoundBuffer_GetCurrentPosition(device->hidden->mixbuf,
&junk, &cursor);
if (result != DS_OK) {
SetDSerror("DirectSound GetCurrentPosition", result);
@ -255,102 +285,100 @@ static void DSOUND_WaitDevice(SDL_AudioDevice *_this)
}
}
static void DSOUND_PlayDevice(SDL_AudioDevice *_this)
static void DSOUND_PlayDevice(SDL_AudioDevice *device, const Uint8 *buffer, int buflen)
{
/* Unlock the buffer, allowing it to play */
if (_this->hidden->locked_buf) {
IDirectSoundBuffer_Unlock(_this->hidden->mixbuf,
_this->hidden->locked_buf,
_this->spec.size, NULL, 0);
}
// Unlock the buffer, allowing it to play
SDL_assert(buflen == device->buffer_size);
IDirectSoundBuffer_Unlock(device->hidden->mixbuf, (LPVOID) buffer, buflen, NULL, 0);
}
static Uint8 *DSOUND_GetDeviceBuf(SDL_AudioDevice *_this)
static Uint8 *DSOUND_GetDeviceBuf(SDL_AudioDevice *device, int *buffer_size)
{
DWORD cursor = 0;
DWORD junk = 0;
HRESULT result = DS_OK;
DWORD rawlen = 0;
/* Figure out which blocks to fill next */
_this->hidden->locked_buf = NULL;
result = IDirectSoundBuffer_GetCurrentPosition(_this->hidden->mixbuf,
SDL_assert(*buffer_size == device->buffer_size);
// Figure out which blocks to fill next
device->hidden->locked_buf = NULL;
result = IDirectSoundBuffer_GetCurrentPosition(device->hidden->mixbuf,
&junk, &cursor);
if (result == DSERR_BUFFERLOST) {
IDirectSoundBuffer_Restore(_this->hidden->mixbuf);
result = IDirectSoundBuffer_GetCurrentPosition(_this->hidden->mixbuf,
IDirectSoundBuffer_Restore(device->hidden->mixbuf);
result = IDirectSoundBuffer_GetCurrentPosition(device->hidden->mixbuf,
&junk, &cursor);
}
if (result != DS_OK) {
SetDSerror("DirectSound GetCurrentPosition", result);
return NULL;
}
cursor /= _this->spec.size;
cursor /= device->buffer_size;
#ifdef DEBUG_SOUND
/* Detect audio dropouts */
// Detect audio dropouts
{
DWORD spot = cursor;
if (spot < _this->hidden->lastchunk) {
spot += _this->hidden->num_buffers;
if (spot < device->hidden->lastchunk) {
spot += device->hidden->num_buffers;
}
if (spot > _this->hidden->lastchunk + 1) {
if (spot > device->hidden->lastchunk + 1) {
fprintf(stderr, "Audio dropout, missed %d fragments\n",
(spot - (_this->hidden->lastchunk + 1)));
(spot - (device->hidden->lastchunk + 1)));
}
}
#endif
_this->hidden->lastchunk = cursor;
cursor = (cursor + 1) % _this->hidden->num_buffers;
cursor *= _this->spec.size;
device->hidden->lastchunk = cursor;
cursor = (cursor + 1) % device->hidden->num_buffers;
cursor *= device->buffer_size;
/* Lock the audio buffer */
result = IDirectSoundBuffer_Lock(_this->hidden->mixbuf, cursor,
_this->spec.size,
(LPVOID *)&_this->hidden->locked_buf,
// Lock the audio buffer
DWORD rawlen = 0;
result = IDirectSoundBuffer_Lock(device->hidden->mixbuf, cursor,
device->buffer_size,
(LPVOID *)&device->hidden->locked_buf,
&rawlen, NULL, &junk, 0);
if (result == DSERR_BUFFERLOST) {
IDirectSoundBuffer_Restore(_this->hidden->mixbuf);
result = IDirectSoundBuffer_Lock(_this->hidden->mixbuf, cursor,
_this->spec.size,
(LPVOID *)&_this->hidden->locked_buf, &rawlen, NULL,
IDirectSoundBuffer_Restore(device->hidden->mixbuf);
result = IDirectSoundBuffer_Lock(device->hidden->mixbuf, cursor,
device->buffer_size,
(LPVOID *)&device->hidden->locked_buf, &rawlen, NULL,
&junk, 0);
}
if (result != DS_OK) {
SetDSerror("DirectSound Lock", result);
return NULL;
}
return _this->hidden->locked_buf;
return device->hidden->locked_buf;
}
static int DSOUND_CaptureFromDevice(SDL_AudioDevice *_this, void *buffer, int buflen)
static void DSOUND_WaitCaptureDevice(SDL_AudioDevice *device)
{
struct SDL_PrivateAudioData *h = _this->hidden;
DWORD junk, cursor, ptr1len, ptr2len;
struct SDL_PrivateAudioData *h = device->hidden;
while (!SDL_AtomicGet(&device->shutdown)) {
DWORD junk, cursor;
if (IDirectSoundCaptureBuffer_GetCurrentPosition(h->capturebuf, &junk, &cursor) != DS_OK) {
SDL_AudioDeviceDisconnected(device);
return;
} else if ((cursor / device->buffer_size) != h->lastchunk) {
return;
}
SDL_Delay(1);
}
}
static int DSOUND_CaptureFromDevice(SDL_AudioDevice *device, void *buffer, int buflen)
{
struct SDL_PrivateAudioData *h = device->hidden;
DWORD ptr1len, ptr2len;
VOID *ptr1, *ptr2;
SDL_assert((Uint32)buflen == _this->spec.size);
SDL_assert(buflen == device->buffer_size);
while (SDL_TRUE) {
if (SDL_AtomicGet(&_this->shutdown)) { /* in case the buffer froze... */
SDL_memset(buffer, _this->spec.silence, buflen);
return buflen;
}
if (IDirectSoundCaptureBuffer_GetCurrentPosition(h->capturebuf, &junk, &cursor) != DS_OK) {
return -1;
}
if ((cursor / _this->spec.size) == h->lastchunk) {
SDL_Delay(1); /* FIXME: find out how much time is left and sleep that long */
} else {
break;
}
}
if (IDirectSoundCaptureBuffer_Lock(h->capturebuf, h->lastchunk * _this->spec.size, _this->spec.size, &ptr1, &ptr1len, &ptr2, &ptr2len, 0) != DS_OK) {
if (IDirectSoundCaptureBuffer_Lock(h->capturebuf, h->lastchunk * buflen, buflen, &ptr1, &ptr1len, &ptr2, &ptr2len, 0) != DS_OK) {
return -1;
}
SDL_assert(ptr1len == _this->spec.size);
SDL_assert(ptr1len == buflen);
SDL_assert(ptr2 == NULL);
SDL_assert(ptr2len == 0);
@ -362,51 +390,54 @@ static int DSOUND_CaptureFromDevice(SDL_AudioDevice *_this, void *buffer, int bu
h->lastchunk = (h->lastchunk + 1) % h->num_buffers;
return ptr1len;
return (int) ptr1len;
}
static void DSOUND_FlushCapture(SDL_AudioDevice *_this)
static void DSOUND_FlushCapture(SDL_AudioDevice *device)
{
struct SDL_PrivateAudioData *h = _this->hidden;
struct SDL_PrivateAudioData *h = device->hidden;
DWORD junk, cursor;
if (IDirectSoundCaptureBuffer_GetCurrentPosition(h->capturebuf, &junk, &cursor) == DS_OK) {
h->lastchunk = cursor / _this->spec.size;
h->lastchunk = cursor / device->buffer_size;
}
}
static void DSOUND_CloseDevice(SDL_AudioDevice *_this)
static void DSOUND_CloseDevice(SDL_AudioDevice *device)
{
if (_this->hidden->mixbuf != NULL) {
IDirectSoundBuffer_Stop(_this->hidden->mixbuf);
IDirectSoundBuffer_Release(_this->hidden->mixbuf);
if (device->hidden) {
if (device->hidden->mixbuf != NULL) {
IDirectSoundBuffer_Stop(device->hidden->mixbuf);
IDirectSoundBuffer_Release(device->hidden->mixbuf);
}
if (device->hidden->sound != NULL) {
IDirectSound_Release(device->hidden->sound);
}
if (device->hidden->capturebuf != NULL) {
IDirectSoundCaptureBuffer_Stop(device->hidden->capturebuf);
IDirectSoundCaptureBuffer_Release(device->hidden->capturebuf);
}
if (device->hidden->capture != NULL) {
IDirectSoundCapture_Release(device->hidden->capture);
}
SDL_free(device->hidden);
device->hidden = NULL;
}
if (_this->hidden->sound != NULL) {
IDirectSound_Release(_this->hidden->sound);
}
if (_this->hidden->capturebuf != NULL) {
IDirectSoundCaptureBuffer_Stop(_this->hidden->capturebuf);
IDirectSoundCaptureBuffer_Release(_this->hidden->capturebuf);
}
if (_this->hidden->capture != NULL) {
IDirectSoundCapture_Release(_this->hidden->capture);
}
SDL_free(_this->hidden);
}
/* This function tries to create a secondary audio buffer, and returns the
number of audio chunks available in the created buffer. This is for
playback devices, not capture.
*/
static int CreateSecondary(SDL_AudioDevice *_this, const DWORD bufsize, WAVEFORMATEX *wfmt)
static int CreateSecondary(SDL_AudioDevice *device, const DWORD bufsize, WAVEFORMATEX *wfmt)
{
LPDIRECTSOUND sndObj = _this->hidden->sound;
LPDIRECTSOUNDBUFFER *sndbuf = &_this->hidden->mixbuf;
LPDIRECTSOUND sndObj = device->hidden->sound;
LPDIRECTSOUNDBUFFER *sndbuf = &device->hidden->mixbuf;
HRESULT result = DS_OK;
DSBUFFERDESC format;
LPVOID pvAudioPtr1, pvAudioPtr2;
DWORD dwAudioBytes1, dwAudioBytes2;
/* Try to create the secondary buffer */
// Try to create the secondary buffer
SDL_zero(format);
format.dwSize = sizeof(format);
format.dwFlags = DSBCAPS_GETCURRENTPOSITION2;
@ -419,30 +450,29 @@ static int CreateSecondary(SDL_AudioDevice *_this, const DWORD bufsize, WAVEFORM
}
IDirectSoundBuffer_SetFormat(*sndbuf, wfmt);
/* Silence the initial audio buffer */
// Silence the initial audio buffer
result = IDirectSoundBuffer_Lock(*sndbuf, 0, format.dwBufferBytes,
(LPVOID *)&pvAudioPtr1, &dwAudioBytes1,
(LPVOID *)&pvAudioPtr2, &dwAudioBytes2,
DSBLOCK_ENTIREBUFFER);
if (result == DS_OK) {
SDL_memset(pvAudioPtr1, _this->spec.silence, dwAudioBytes1);
SDL_memset(pvAudioPtr1, device->silence_value, dwAudioBytes1);
IDirectSoundBuffer_Unlock(*sndbuf,
(LPVOID)pvAudioPtr1, dwAudioBytes1,
(LPVOID)pvAudioPtr2, dwAudioBytes2);
}
/* We're ready to go */
return 0;
return 0; // We're ready to go
}
/* This function tries to create a capture buffer, and returns the
number of audio chunks available in the created buffer. This is for
capture devices, not playback.
*/
static int CreateCaptureBuffer(SDL_AudioDevice *_this, const DWORD bufsize, WAVEFORMATEX *wfmt)
static int CreateCaptureBuffer(SDL_AudioDevice *device, const DWORD bufsize, WAVEFORMATEX *wfmt)
{
LPDIRECTSOUNDCAPTURE capture = _this->hidden->capture;
LPDIRECTSOUNDCAPTUREBUFFER *capturebuf = &_this->hidden->capturebuf;
LPDIRECTSOUNDCAPTURE capture = device->hidden->capture;
LPDIRECTSOUNDCAPTUREBUFFER *capturebuf = &device->hidden->capturebuf;
DSCBUFFERDESC format;
HRESULT result;
@ -464,7 +494,7 @@ static int CreateCaptureBuffer(SDL_AudioDevice *_this, const DWORD bufsize, WAVE
}
#if 0
/* presumably this starts at zero, but just in case... */
// presumably this starts at zero, but just in case...
result = IDirectSoundCaptureBuffer_GetCurrentPosition(*capturebuf, &junk, &cursor);
if (result != DS_OK) {
IDirectSoundCaptureBuffer_Stop(*capturebuf);
@ -472,42 +502,45 @@ static int CreateCaptureBuffer(SDL_AudioDevice *_this, const DWORD bufsize, WAVE
return SetDSerror("DirectSound GetCurrentPosition", result);
}
_this->hidden->lastchunk = cursor / _this->spec.size;
device->hidden->lastchunk = cursor / device->buffer_size;
#endif
return 0;
}
static int DSOUND_OpenDevice(SDL_AudioDevice *_this, const char *devname)
static int DSOUND_OpenDevice(SDL_AudioDevice *device)
{
const DWORD numchunks = 8;
HRESULT result;
SDL_bool tried_format = SDL_FALSE;
SDL_bool iscapture = _this->iscapture;
SDL_AudioFormat test_format;
const SDL_AudioFormat *closefmts;
LPGUID guid = (LPGUID)_this->handle;
DWORD bufsize;
/* Initialize all variables that we clean on shutdown */
_this->hidden = (struct SDL_PrivateAudioData *)SDL_malloc(sizeof(*_this->hidden));
if (_this->hidden == NULL) {
// Initialize all variables that we clean on shutdown
device->hidden = (struct SDL_PrivateAudioData *)SDL_calloc(1, sizeof(*device->hidden));
if (device->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_zerop(_this->hidden);
/* Open the audio device */
if (iscapture) {
result = pDirectSoundCaptureCreate8(guid, &_this->hidden->capture, NULL);
// Open the audio device
LPGUID guid;
#ifdef HAVE_MMDEVICEAPI_H
if (SupportsIMMDevice) {
guid = SDL_IMMDevice_GetDirectSoundGUID(device);
} else
#endif
{
guid = (LPGUID) device->handle;
}
SDL_assert(guid != NULL);
HRESULT result;
if (device->iscapture) {
result = pDirectSoundCaptureCreate8(guid, &device->hidden->capture, NULL);
if (result != DS_OK) {
return SetDSerror("DirectSoundCaptureCreate8", result);
}
} else {
result = pDirectSoundCreate8(guid, &_this->hidden->sound, NULL);
result = pDirectSoundCreate8(guid, &device->hidden->sound, NULL);
if (result != DS_OK) {
return SetDSerror("DirectSoundCreate8", result);
}
result = IDirectSound_SetCooperativeLevel(_this->hidden->sound,
result = IDirectSound_SetCooperativeLevel(device->hidden->sound,
GetDesktopWindow(),
DSSCL_NORMAL);
if (result != DS_OK) {
@ -515,7 +548,10 @@ static int DSOUND_OpenDevice(SDL_AudioDevice *_this, const char *devname)
}
}
closefmts = SDL_ClosestAudioFormats(_this->spec.format);
const DWORD numchunks = 8;
SDL_bool tried_format = SDL_FALSE;
SDL_AudioFormat test_format;
const SDL_AudioFormat *closefmts = SDL_ClosestAudioFormats(device->spec.format);
while ((test_format = *(closefmts++)) != 0) {
switch (test_format) {
case SDL_AUDIO_U8:
@ -524,69 +560,68 @@ static int DSOUND_OpenDevice(SDL_AudioDevice *_this, const char *devname)
case SDL_AUDIO_F32:
tried_format = SDL_TRUE;
_this->spec.format = test_format;
device->spec.format = test_format;
/* Update the fragment size as size in bytes */
SDL_CalculateAudioSpec(&_this->spec);
// Update the fragment size as size in bytes
SDL_UpdatedAudioDeviceFormat(device);
bufsize = numchunks * _this->spec.size;
const DWORD bufsize = numchunks * device->buffer_size;
if ((bufsize < DSBSIZE_MIN) || (bufsize > DSBSIZE_MAX)) {
SDL_SetError("Sound buffer size must be between %d and %d",
(int)((DSBSIZE_MIN < numchunks) ? 1 : DSBSIZE_MIN / numchunks),
(int)(DSBSIZE_MAX / numchunks));
} else {
int rc;
WAVEFORMATEXTENSIBLE wfmt;
SDL_zero(wfmt);
if (_this->spec.channels > 2) {
if (device->spec.channels > 2) {
wfmt.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wfmt.Format.cbSize = sizeof(wfmt) - sizeof(WAVEFORMATEX);
if (SDL_AUDIO_ISFLOAT(_this->spec.format)) {
if (SDL_AUDIO_ISFLOAT(device->spec.format)) {
SDL_memcpy(&wfmt.SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, sizeof(GUID));
} else {
SDL_memcpy(&wfmt.SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_PCM, sizeof(GUID));
}
wfmt.Samples.wValidBitsPerSample = SDL_AUDIO_BITSIZE(_this->spec.format);
wfmt.Samples.wValidBitsPerSample = SDL_AUDIO_BITSIZE(device->spec.format);
switch (_this->spec.channels) {
case 3: /* 3.0 (or 2.1) */
switch (device->spec.channels) {
case 3: // 3.0 (or 2.1)
wfmt.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER;
break;
case 4: /* 4.0 */
case 4: // 4.0
wfmt.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT;
break;
case 5: /* 5.0 (or 4.1) */
case 5: // 5.0 (or 4.1)
wfmt.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT;
break;
case 6: /* 5.1 */
case 6: // 5.1
wfmt.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT;
break;
case 7: /* 6.1 */
case 7: // 6.1
wfmt.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT | SPEAKER_BACK_CENTER;
break;
case 8: /* 7.1 */
case 8: // 7.1
wfmt.dwChannelMask = 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;
default:
SDL_assert(0 && "Unsupported channel count!");
break;
}
} else if (SDL_AUDIO_ISFLOAT(_this->spec.format)) {
} else if (SDL_AUDIO_ISFLOAT(device->spec.format)) {
wfmt.Format.wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
} else {
wfmt.Format.wFormatTag = WAVE_FORMAT_PCM;
}
wfmt.Format.wBitsPerSample = SDL_AUDIO_BITSIZE(_this->spec.format);
wfmt.Format.nChannels = _this->spec.channels;
wfmt.Format.nSamplesPerSec = _this->spec.freq;
wfmt.Format.wBitsPerSample = SDL_AUDIO_BITSIZE(device->spec.format);
wfmt.Format.nChannels = device->spec.channels;
wfmt.Format.nSamplesPerSec = device->spec.freq;
wfmt.Format.nBlockAlign = wfmt.Format.nChannels * (wfmt.Format.wBitsPerSample / 8);
wfmt.Format.nAvgBytesPerSec = wfmt.Format.nSamplesPerSec * wfmt.Format.nBlockAlign;
rc = iscapture ? CreateCaptureBuffer(_this, bufsize, (WAVEFORMATEX *)&wfmt) : CreateSecondary(_this, bufsize, (WAVEFORMATEX *)&wfmt);
const int rc = device->iscapture ? CreateCaptureBuffer(device, bufsize, (WAVEFORMATEX *)&wfmt) : CreateSecondary(device, bufsize, (WAVEFORMATEX *)&wfmt);
if (rc == 0) {
_this->hidden->num_buffers = numchunks;
device->hidden->num_buffers = numchunks;
break;
}
}
@ -599,14 +634,14 @@ static int DSOUND_OpenDevice(SDL_AudioDevice *_this, const char *devname)
if (!test_format) {
if (tried_format) {
return -1; /* CreateSecondary() should have called SDL_SetError(). */
return -1; // CreateSecondary() should have called SDL_SetError().
}
return SDL_SetError("%s: Unsupported audio format", "directsound");
}
/* Playback buffers will auto-start playing in DSOUND_WaitDevice() */
// Playback buffers will auto-start playing in DSOUND_WaitDevice()
return 0; /* good to go. */
return 0; // good to go.
}
static void DSOUND_Deinitialize(void)
@ -616,7 +651,7 @@ static void DSOUND_Deinitialize(void)
SDL_IMMDevice_Quit();
SupportsIMMDevice = SDL_FALSE;
}
#endif /* HAVE_MMDEVICEAPI_H */
#endif
DSOUND_Unload();
}
@ -628,29 +663,27 @@ static SDL_bool DSOUND_Init(SDL_AudioDriverImpl *impl)
#ifdef HAVE_MMDEVICEAPI_H
SupportsIMMDevice = !(SDL_IMMDevice_Init() < 0);
#endif /* HAVE_MMDEVICEAPI_H */
#endif
/* Set the function pointers */
impl->DetectDevices = DSOUND_DetectDevices;
impl->OpenDevice = DSOUND_OpenDevice;
impl->PlayDevice = DSOUND_PlayDevice;
impl->WaitDevice = DSOUND_WaitDevice;
impl->GetDeviceBuf = DSOUND_GetDeviceBuf;
impl->WaitCaptureDevice = DSOUND_WaitCaptureDevice;
impl->CaptureFromDevice = DSOUND_CaptureFromDevice;
impl->FlushCapture = DSOUND_FlushCapture;
impl->CloseDevice = DSOUND_CloseDevice;
impl->FreeDeviceHandle = DSOUND_FreeDeviceHandle;
impl->Deinitialize = DSOUND_Deinitialize;
impl->GetDefaultAudioInfo = DSOUND_GetDefaultAudioInfo;
impl->HasCaptureSupport = SDL_TRUE;
impl->SupportsNonPow2Samples = SDL_TRUE;
return SDL_TRUE; /* this audio target is available. */
return SDL_TRUE;
}
AudioBootStrap DSOUND_bootstrap = {
"directsound", "DirectSound", DSOUND_Init, SDL_FALSE
};
#endif /* SDL_AUDIO_DRIVER_DSOUND */
#endif // SDL_AUDIO_DRIVER_DSOUND

5
external/sdl/SDL/src/audio/directsound/SDL_directsound.h vendored
View File

@ -27,9 +27,10 @@
#include "../SDL_sysaudio.h"
/* The DirectSound objects */
// The DirectSound objects
struct SDL_PrivateAudioData
{
// !!! FIXME: make this a union with capture/playback sections?
LPDIRECTSOUND sound;
LPDIRECTSOUNDBUFFER mixbuf;
LPDIRECTSOUNDCAPTURE capture;
@ -39,4 +40,4 @@ struct SDL_PrivateAudioData
Uint8 *locked_buf;
};
#endif /* SDL_directsound_h_ */
#endif // SDL_directsound_h_