ao_dsound: uncrustify

This commit is contained in:
wm4 2013-06-04 00:51:07 +02:00
parent 92ae48db0f
commit cee56e8623
1 changed files with 363 additions and 327 deletions

View File

@ -47,10 +47,10 @@
static const ao_info_t info =
{
"Windows DirectSound audio output",
"dsound",
"Gabor Szecsi <deje@miki.hu>",
""
"Windows DirectSound audio output",
"dsound",
"Gabor Szecsi <deje@miki.hu>",
""
};
LIBAO_EXTERN(dsound)
@ -62,7 +62,9 @@ LIBAO_EXTERN(dsound)
#define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092
#define WAVE_FORMAT_EXTENSIBLE 0xFFFE
static const GUID KSDATAFORMAT_SUBTYPE_PCM = {0x1,0x0000,0x0010, {0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71}};
static const GUID KSDATAFORMAT_SUBTYPE_PCM = {
0x1, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
};
#if 0
#define DSSPEAKER_HEADPHONE 0x00000001
@ -75,15 +77,15 @@ static const GUID KSDATAFORMAT_SUBTYPE_PCM = {0x1,0x0000,0x0010, {0x80,0x00,0x00
#ifndef _WAVEFORMATEXTENSIBLE_
typedef struct {
WAVEFORMATEX Format;
WAVEFORMATEX Format;
union {
WORD wValidBitsPerSample; /* bits of precision */
WORD wSamplesPerBlock; /* valid if wBitsPerSample==0 */
WORD wReserved; /* If neither applies, set to zero. */
} Samples;
DWORD dwChannelMask; /* which channels are */
DWORD dwChannelMask; /* which channels are */
/* present in stream */
GUID SubFormat;
GUID SubFormat;
} WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE;
#endif
@ -111,28 +113,28 @@ static int audio_volume;
*/
static char * dserr2str(int err)
{
switch (err) {
case DS_OK: return "DS_OK";
case DS_NO_VIRTUALIZATION: return "DS_NO_VIRTUALIZATION";
case DSERR_ALLOCATED: return "DS_NO_VIRTUALIZATION";
case DSERR_CONTROLUNAVAIL: return "DSERR_CONTROLUNAVAIL";
case DSERR_INVALIDPARAM: return "DSERR_INVALIDPARAM";
case DSERR_INVALIDCALL: return "DSERR_INVALIDCALL";
case DSERR_GENERIC: return "DSERR_GENERIC";
case DSERR_PRIOLEVELNEEDED: return "DSERR_PRIOLEVELNEEDED";
case DSERR_OUTOFMEMORY: return "DSERR_OUTOFMEMORY";
case DSERR_BADFORMAT: return "DSERR_BADFORMAT";
case DSERR_UNSUPPORTED: return "DSERR_UNSUPPORTED";
case DSERR_NODRIVER: return "DSERR_NODRIVER";
case DSERR_ALREADYINITIALIZED: return "DSERR_ALREADYINITIALIZED";
case DSERR_NOAGGREGATION: return "DSERR_NOAGGREGATION";
case DSERR_BUFFERLOST: return "DSERR_BUFFERLOST";
case DSERR_OTHERAPPHASPRIO: return "DSERR_OTHERAPPHASPRIO";
case DSERR_UNINITIALIZED: return "DSERR_UNINITIALIZED";
case DSERR_NOINTERFACE: return "DSERR_NOINTERFACE";
case DSERR_ACCESSDENIED: return "DSERR_ACCESSDENIED";
default: return "unknown";
}
switch (err) {
case DS_OK: return "DS_OK";
case DS_NO_VIRTUALIZATION: return "DS_NO_VIRTUALIZATION";
case DSERR_ALLOCATED: return "DS_NO_VIRTUALIZATION";
case DSERR_CONTROLUNAVAIL: return "DSERR_CONTROLUNAVAIL";
case DSERR_INVALIDPARAM: return "DSERR_INVALIDPARAM";
case DSERR_INVALIDCALL: return "DSERR_INVALIDCALL";
case DSERR_GENERIC: return "DSERR_GENERIC";
case DSERR_PRIOLEVELNEEDED: return "DSERR_PRIOLEVELNEEDED";
case DSERR_OUTOFMEMORY: return "DSERR_OUTOFMEMORY";
case DSERR_BADFORMAT: return "DSERR_BADFORMAT";
case DSERR_UNSUPPORTED: return "DSERR_UNSUPPORTED";
case DSERR_NODRIVER: return "DSERR_NODRIVER";
case DSERR_ALREADYINITIALIZED: return "DSERR_ALREADYINITIALIZED";
case DSERR_NOAGGREGATION: return "DSERR_NOAGGREGATION";
case DSERR_BUFFERLOST: return "DSERR_BUFFERLOST";
case DSERR_OTHERAPPHASPRIO: return "DSERR_OTHERAPPHASPRIO";
case DSERR_UNINITIALIZED: return "DSERR_UNINITIALIZED";
case DSERR_NOINTERFACE: return "DSERR_NOINTERFACE";
case DSERR_ACCESSDENIED: return "DSERR_ACCESSDENIED";
}
return "unknown";
}
/**
@ -142,15 +144,15 @@ static void UninitDirectSound(void)
{
// finally release the DirectSound object
if (hds) {
IDirectSound_Release(hds);
hds = NULL;
IDirectSound_Release(hds);
hds = NULL;
}
// free DSOUND.DLL
if (hdsound_dll) {
FreeLibrary(hdsound_dll);
hdsound_dll = NULL;
FreeLibrary(hdsound_dll);
hdsound_dll = NULL;
}
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: DirectSound uninitialized\n");
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: DirectSound uninitialized\n");
}
/**
@ -158,7 +160,7 @@ static void UninitDirectSound(void)
*/
static void print_help(void)
{
mp_msg(MSGT_AO, MSGL_FATAL,
mp_msg(MSGT_AO, MSGL_FATAL,
"\n-ao dsound commandline help:\n"
"Example: mpv -ao dsound:device=1\n"
" sets 1st device\n"
@ -172,17 +174,17 @@ static void print_help(void)
\brief enumerate direct sound devices
\return TRUE to continue with the enumeration
*/
static BOOL CALLBACK DirectSoundEnum(LPGUID guid,LPCSTR desc,LPCSTR module,LPVOID context)
static BOOL CALLBACK DirectSoundEnum(LPGUID guid, LPCSTR desc, LPCSTR module,
LPVOID context)
{
int* device_index=context;
mp_msg(MSGT_AO, MSGL_V,"%i %s ",*device_index,desc);
if(device_num==*device_index){
mp_msg(MSGT_AO, MSGL_V,"<--");
if(guid){
memcpy(&device,guid,sizeof(GUID));
}
int *device_index = context;
mp_msg(MSGT_AO, MSGL_V, "%i %s ", *device_index, desc);
if (device_num == *device_index) {
mp_msg(MSGT_AO, MSGL_V, "<--");
if (guid)
memcpy(&device, guid, sizeof(GUID));
}
mp_msg(MSGT_AO, MSGL_V,"\n");
mp_msg(MSGT_AO, MSGL_V, "\n");
(*device_index)++;
return TRUE;
}
@ -194,73 +196,83 @@ static BOOL CALLBACK DirectSoundEnum(LPGUID guid,LPCSTR desc,LPCSTR module,LPVOI
*/
static int InitDirectSound(void)
{
DSCAPS dscaps;
DSCAPS dscaps;
// initialize directsound
// initialize directsound
HRESULT (WINAPI *OurDirectSoundCreate)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN);
HRESULT (WINAPI *OurDirectSoundEnumerate)(LPDSENUMCALLBACKA, LPVOID);
int device_index=0;
const opt_t subopts[] = {
{"device", OPT_ARG_INT, &device_num,NULL},
{NULL}
};
if (subopt_parse(ao_subdevice, subopts) != 0) {
print_help();
return 0;
}
HRESULT (WINAPI *OurDirectSoundEnumerate)(LPDSENUMCALLBACKA, LPVOID);
int device_index = 0;
const opt_t subopts[] = {
{"device", OPT_ARG_INT, &device_num, NULL},
{NULL}
};
if (subopt_parse(ao_subdevice, subopts) != 0) {
print_help();
return 0;
}
hdsound_dll = LoadLibrary("DSOUND.DLL");
if (hdsound_dll == NULL) {
mp_msg(MSGT_AO, MSGL_ERR, "ao_dsound: cannot load DSOUND.DLL\n");
return 0;
}
OurDirectSoundCreate = (void*)GetProcAddress(hdsound_dll, "DirectSoundCreate");
OurDirectSoundEnumerate = (void*)GetProcAddress(hdsound_dll, "DirectSoundEnumerateA");
hdsound_dll = LoadLibrary("DSOUND.DLL");
if (hdsound_dll == NULL) {
mp_msg(MSGT_AO, MSGL_ERR, "ao_dsound: cannot load DSOUND.DLL\n");
return 0;
}
OurDirectSoundCreate = (void *)GetProcAddress(hdsound_dll,
"DirectSoundCreate");
OurDirectSoundEnumerate = (void *)GetProcAddress(hdsound_dll,
"DirectSoundEnumerateA");
if (OurDirectSoundCreate == NULL || OurDirectSoundEnumerate == NULL) {
mp_msg(MSGT_AO, MSGL_ERR, "ao_dsound: GetProcAddress FAILED\n");
FreeLibrary(hdsound_dll);
return 0;
}
if (OurDirectSoundCreate == NULL || OurDirectSoundEnumerate == NULL) {
mp_msg(MSGT_AO, MSGL_ERR, "ao_dsound: GetProcAddress FAILED\n");
FreeLibrary(hdsound_dll);
return 0;
}
// Enumerate all directsound devices
mp_msg(MSGT_AO, MSGL_V,"ao_dsound: Output Devices:\n");
OurDirectSoundEnumerate(DirectSoundEnum,&device_index);
// Enumerate all directsound devices
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: Output Devices:\n");
OurDirectSoundEnumerate(DirectSoundEnum, &device_index);
// Create the direct sound object
if FAILED(OurDirectSoundCreate((device_num)?&device:NULL, &hds, NULL )) {
mp_msg(MSGT_AO, MSGL_ERR, "ao_dsound: cannot create a DirectSound device\n");
FreeLibrary(hdsound_dll);
return 0;
}
// Create the direct sound object
if (FAILED(OurDirectSoundCreate((device_num) ? &device : NULL, &hds,
NULL)))
{
mp_msg(MSGT_AO, MSGL_ERR,
"ao_dsound: cannot create a DirectSound device\n");
FreeLibrary(hdsound_dll);
return 0;
}
/* Set DirectSound Cooperative level, ie what control we want over Windows
* sound device. In our case, DSSCL_EXCLUSIVE means that we can modify the
* settings of the primary buffer, but also that only the sound of our
* application will be hearable when it will have the focus.
* !!! (this is not really working as intended yet because to set the
* cooperative level you need the window handle of your application, and
* I don't know of any easy way to get it. Especially since we might play
* sound without any video, and so what window handle should we use ???
* The hack for now is to use the Desktop window handle - it seems to be
* working */
if (IDirectSound_SetCooperativeLevel(hds, GetDesktopWindow(), DSSCL_EXCLUSIVE)) {
mp_msg(MSGT_AO, MSGL_ERR, "ao_dsound: cannot set direct sound cooperative level\n");
IDirectSound_Release(hds);
FreeLibrary(hdsound_dll);
return 0;
}
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: DirectSound initialized\n");
/* Set DirectSound Cooperative level, ie what control we want over Windows
* sound device. In our case, DSSCL_EXCLUSIVE means that we can modify the
* settings of the primary buffer, but also that only the sound of our
* application will be hearable when it will have the focus.
* !!! (this is not really working as intended yet because to set the
* cooperative level you need the window handle of your application, and
* I don't know of any easy way to get it. Especially since we might play
* sound without any video, and so what window handle should we use ???
* The hack for now is to use the Desktop window handle - it seems to be
* working */
if (IDirectSound_SetCooperativeLevel(hds, GetDesktopWindow(),
DSSCL_EXCLUSIVE))
{
mp_msg(MSGT_AO, MSGL_ERR,
"ao_dsound: cannot set direct sound cooperative level\n");
IDirectSound_Release(hds);
FreeLibrary(hdsound_dll);
return 0;
}
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: DirectSound initialized\n");
memset(&dscaps, 0, sizeof(DSCAPS));
dscaps.dwSize = sizeof(DSCAPS);
if (DS_OK == IDirectSound_GetCaps(hds, &dscaps)) {
if (dscaps.dwFlags & DSCAPS_EMULDRIVER) mp_msg(MSGT_AO, MSGL_V, "ao_dsound: DirectSound is emulated, waveOut may give better performance\n");
} else {
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: cannot get device capabilities\n");
}
memset(&dscaps, 0, sizeof(DSCAPS));
dscaps.dwSize = sizeof(DSCAPS);
if (DS_OK == IDirectSound_GetCaps(hds, &dscaps)) {
if (dscaps.dwFlags & DSCAPS_EMULDRIVER)
mp_msg(MSGT_AO, MSGL_V,
"ao_dsound: DirectSound is emulated, waveOut may give better performance\n");
} else {
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: cannot get device capabilities\n");
}
return 1;
return 1;
}
/**
@ -268,14 +280,14 @@ static int InitDirectSound(void)
*/
static void DestroyBuffer(void)
{
if (hdsbuf) {
IDirectSoundBuffer_Release(hdsbuf);
hdsbuf = NULL;
}
if (hdspribuf) {
IDirectSoundBuffer_Release(hdspribuf);
hdspribuf = NULL;
}
if (hdsbuf) {
IDirectSoundBuffer_Release(hdsbuf);
hdsbuf = NULL;
}
if (hdspribuf) {
IDirectSoundBuffer_Release(hdspribuf);
hdspribuf = NULL;
}
}
/**
@ -286,57 +298,58 @@ static void DestroyBuffer(void)
*/
static int write_buffer(unsigned char *data, int len)
{
HRESULT res;
LPVOID lpvPtr1;
DWORD dwBytes1;
LPVOID lpvPtr2;
DWORD dwBytes2;
HRESULT res;
LPVOID lpvPtr1;
DWORD dwBytes1;
LPVOID lpvPtr2;
DWORD dwBytes2;
underrun_check = 0;
underrun_check = 0;
// Lock the buffer
res = IDirectSoundBuffer_Lock(hdsbuf,write_offset, len, &lpvPtr1, &dwBytes1, &lpvPtr2, &dwBytes2, 0);
// If the buffer was lost, restore and retry lock.
if (DSERR_BUFFERLOST == res)
{
IDirectSoundBuffer_Restore(hdsbuf);
res = IDirectSoundBuffer_Lock(hdsbuf,write_offset, len, &lpvPtr1, &dwBytes1, &lpvPtr2, &dwBytes2, 0);
}
// Lock the buffer
res = IDirectSoundBuffer_Lock(hdsbuf, write_offset, len, &lpvPtr1, &dwBytes1,
&lpvPtr2, &dwBytes2, 0);
// If the buffer was lost, restore and retry lock.
if (DSERR_BUFFERLOST == res) {
IDirectSoundBuffer_Restore(hdsbuf);
res = IDirectSoundBuffer_Lock(hdsbuf, write_offset, len, &lpvPtr1,
&dwBytes1, &lpvPtr2, &dwBytes2, 0);
}
if (SUCCEEDED(res))
{
if (!AF_FORMAT_IS_AC3(ao_data.format)) {
if (SUCCEEDED(res)) {
if (!AF_FORMAT_IS_AC3(ao_data.format)) {
memcpy(lpvPtr1, data, dwBytes1);
if (lpvPtr2 != NULL)
memcpy(lpvPtr2, (char *)data + dwBytes1, dwBytes2);
write_offset+=dwBytes1+dwBytes2;
if(write_offset>=buffer_size)
write_offset=dwBytes2;
} else {
// Write to pointers without reordering.
memcpy(lpvPtr1,data,dwBytes1);
if (NULL != lpvPtr2 )memcpy(lpvPtr2,data+dwBytes1,dwBytes2);
write_offset+=dwBytes1+dwBytes2;
if(write_offset>=buffer_size)write_offset=dwBytes2;
}
write_offset += dwBytes1 + dwBytes2;
if (write_offset >= buffer_size)
write_offset = dwBytes2;
} else {
// Write to pointers without reordering.
memcpy(lpvPtr1, data, dwBytes1);
if (NULL != lpvPtr2)
memcpy(lpvPtr2, data + dwBytes1, dwBytes2);
write_offset += dwBytes1 + dwBytes2;
if (write_offset >= buffer_size)
write_offset = dwBytes2;
}
// Release the data back to DirectSound.
res = IDirectSoundBuffer_Unlock(hdsbuf,lpvPtr1,dwBytes1,lpvPtr2,dwBytes2);
if (SUCCEEDED(res))
{
// Success.
DWORD status;
IDirectSoundBuffer_GetStatus(hdsbuf, &status);
if (!(status & DSBSTATUS_PLAYING)){
res = IDirectSoundBuffer_Play(hdsbuf, 0, 0, DSBPLAY_LOOPING);
}
return dwBytes1+dwBytes2;
// Release the data back to DirectSound.
res = IDirectSoundBuffer_Unlock(hdsbuf, lpvPtr1, dwBytes1, lpvPtr2,
dwBytes2);
if (SUCCEEDED(res)) {
// Success.
DWORD status;
IDirectSoundBuffer_GetStatus(hdsbuf, &status);
if (!(status & DSBSTATUS_PLAYING))
res = IDirectSoundBuffer_Play(hdsbuf, 0, 0, DSBPLAY_LOOPING);
return dwBytes1 + dwBytes2;
}
}
}
// Lock, Unlock, or Restore failed.
return 0;
// Lock, Unlock, or Restore failed.
return 0;
}
/***************************************************************************************/
@ -349,24 +362,24 @@ static int write_buffer(unsigned char *data, int len)
*/
static int control(int cmd, void *arg)
{
DWORD volume;
switch (cmd) {
case AOCONTROL_GET_VOLUME: {
ao_control_vol_t* vol = (ao_control_vol_t*)arg;
vol->left = vol->right = audio_volume;
return CONTROL_OK;
}
case AOCONTROL_SET_VOLUME: {
ao_control_vol_t* vol = (ao_control_vol_t*)arg;
volume = audio_volume = vol->right;
if (volume < 1)
volume = 1;
volume = (DWORD)(log10(volume) * 5000.0) - 10000;
IDirectSoundBuffer_SetVolume(hdsbuf, volume);
return CONTROL_OK;
}
}
return -1;
DWORD volume;
switch (cmd) {
case AOCONTROL_GET_VOLUME: {
ao_control_vol_t *vol = (ao_control_vol_t *)arg;
vol->left = vol->right = audio_volume;
return CONTROL_OK;
}
case AOCONTROL_SET_VOLUME: {
ao_control_vol_t *vol = (ao_control_vol_t *)arg;
volume = audio_volume = vol->right;
if (volume < 1)
volume = 1;
volume = (DWORD)(log10(volume) * 5000.0) - 10000;
IDirectSoundBuffer_SetVolume(hdsbuf, volume);
return CONTROL_OK;
}
}
return -1;
}
/**
@ -380,118 +393,138 @@ static int control(int cmd, void *arg)
static int init(int rate, const struct mp_chmap *channels, int format, int flags)
{
int res;
if (!InitDirectSound()) return 0;
if (!InitDirectSound())
return 0;
global_ao->no_persistent_volume = true;
audio_volume = 100;
global_ao->no_persistent_volume = true;
audio_volume = 100;
// ok, now create the buffers
WAVEFORMATEXTENSIBLE wformat;
DSBUFFERDESC dsbpridesc;
DSBUFFERDESC dsbdesc;
// ok, now create the buffers
WAVEFORMATEXTENSIBLE wformat;
DSBUFFERDESC dsbpridesc;
DSBUFFERDESC dsbdesc;
if (AF_FORMAT_IS_AC3(format)) {
format = AF_FORMAT_AC3_NE;
} else {
struct mp_chmap_sel sel = {0};
mp_chmap_sel_add_waveext(&sel);
if (!ao_chmap_sel_adjust(&ao_data, &sel, &ao_data.channels))
return 0;
if (AF_FORMAT_IS_AC3(format))
format = AF_FORMAT_AC3_NE;
else {
struct mp_chmap_sel sel = {
0
};
mp_chmap_sel_add_waveext(&sel);
if (!ao_chmap_sel_adjust(&ao_data, &sel, &ao_data.channels))
return 0;
}
switch (format) {
case AF_FORMAT_AC3_NE:
case AF_FORMAT_S24_LE:
case AF_FORMAT_S16_LE:
case AF_FORMAT_U8:
break;
default:
mp_msg(MSGT_AO, MSGL_V,
"ao_dsound: format %s not supported defaulting to Signed 16-bit Little-Endian\n",
af_fmt2str_short(format));
format = AF_FORMAT_S16_LE;
}
//fill global ao_data
ao_data.samplerate = rate;
ao_data.format = format;
ao_data.bps = ao_data.channels.num * rate * (af_fmt2bits(format) >> 3);
if (ao_data.buffersize == -1)
ao_data.buffersize = ao_data.bps; // space for 1 sec
mp_msg(MSGT_AO, MSGL_V,
"ao_dsound: Samplerate:%iHz Channels:%i Format:%s\n", rate,
ao_data.channels.num, af_fmt2str_short(format));
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: Buffersize:%d bytes (%d msec)\n",
ao_data.buffersize, ao_data.buffersize / ao_data.bps * 1000);
//fill waveformatex
ZeroMemory(&wformat, sizeof(WAVEFORMATEXTENSIBLE));
wformat.Format.cbSize = (ao_data.channels.num > 2)
? sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX) : 0;
wformat.Format.nChannels = ao_data.channels.num;
wformat.Format.nSamplesPerSec = rate;
if (AF_FORMAT_IS_AC3(format)) {
wformat.Format.wFormatTag = WAVE_FORMAT_DOLBY_AC3_SPDIF;
wformat.Format.wBitsPerSample = 16;
wformat.Format.nBlockAlign = 4;
} else {
wformat.Format.wFormatTag = (ao_data.channels.num > 2)
? WAVE_FORMAT_EXTENSIBLE : WAVE_FORMAT_PCM;
wformat.Format.wBitsPerSample = af_fmt2bits(format);
wformat.Format.nBlockAlign = wformat.Format.nChannels *
(wformat.Format.wBitsPerSample >> 3);
}
// fill in primary sound buffer descriptor
memset(&dsbpridesc, 0, sizeof(DSBUFFERDESC));
dsbpridesc.dwSize = sizeof(DSBUFFERDESC);
dsbpridesc.dwFlags = DSBCAPS_PRIMARYBUFFER;
dsbpridesc.dwBufferBytes = 0;
dsbpridesc.lpwfxFormat = NULL;
// fill in the secondary sound buffer (=stream buffer) descriptor
memset(&dsbdesc, 0, sizeof(DSBUFFERDESC));
dsbdesc.dwSize = sizeof(DSBUFFERDESC);
dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 /** Better position accuracy */
| DSBCAPS_GLOBALFOCUS /** Allows background playing */
| DSBCAPS_CTRLVOLUME; /** volume control enabled */
if (ao_data.channels.num > 2) {
wformat.dwChannelMask = mp_chmap_to_waveext(&ao_data.channels);
wformat.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
wformat.Samples.wValidBitsPerSample = wformat.Format.wBitsPerSample;
// Needed for 5.1 on emu101k - shit soundblaster
dsbdesc.dwFlags |= DSBCAPS_LOCHARDWARE;
}
wformat.Format.nAvgBytesPerSec = wformat.Format.nSamplesPerSec *
wformat.Format.nBlockAlign;
dsbdesc.dwBufferBytes = ao_data.buffersize;
dsbdesc.lpwfxFormat = (WAVEFORMATEX *)&wformat;
buffer_size = dsbdesc.dwBufferBytes;
write_offset = 0;
min_free_space = wformat.Format.nBlockAlign;
ao_data.outburst = wformat.Format.nBlockAlign * 512;
// create primary buffer and set its format
res = IDirectSound_CreateSoundBuffer(hds, &dsbpridesc, &hdspribuf, NULL);
if (res != DS_OK) {
UninitDirectSound();
mp_msg(MSGT_AO, MSGL_ERR,
"ao_dsound: cannot create primary buffer (%s)\n",
dserr2str(res));
return 0;
}
res = IDirectSoundBuffer_SetFormat(hdspribuf, (WAVEFORMATEX *)&wformat);
if (res != DS_OK) {
mp_msg(MSGT_AO, MSGL_WARN,
"ao_dsound: cannot set primary buffer format (%s), using "
"standard setting (bad quality)", dserr2str(res));
}
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: primary buffer created\n");
// now create the stream buffer
res = IDirectSound_CreateSoundBuffer(hds, &dsbdesc, &hdsbuf, NULL);
if (res != DS_OK) {
if (dsbdesc.dwFlags & DSBCAPS_LOCHARDWARE) {
// Try without DSBCAPS_LOCHARDWARE
dsbdesc.dwFlags &= ~DSBCAPS_LOCHARDWARE;
res = IDirectSound_CreateSoundBuffer(hds, &dsbdesc, &hdsbuf, NULL);
}
switch(format){
case AF_FORMAT_AC3_NE:
case AF_FORMAT_S24_LE:
case AF_FORMAT_S16_LE:
case AF_FORMAT_U8:
break;
default:
mp_msg(MSGT_AO, MSGL_V,"ao_dsound: format %s not supported defaulting to Signed 16-bit Little-Endian\n",af_fmt2str_short(format));
format=AF_FORMAT_S16_LE;
}
//fill global ao_data
ao_data.samplerate = rate;
ao_data.format = format;
ao_data.bps = ao_data.channels.num * rate * (af_fmt2bits(format)>>3);
if(ao_data.buffersize==-1) ao_data.buffersize = ao_data.bps; // space for 1 sec
mp_msg(MSGT_AO, MSGL_V,"ao_dsound: Samplerate:%iHz Channels:%i Format:%s\n", rate, ao_data.channels.num, af_fmt2str_short(format));
mp_msg(MSGT_AO, MSGL_V,"ao_dsound: Buffersize:%d bytes (%d msec)\n", ao_data.buffersize, ao_data.buffersize / ao_data.bps * 1000);
//fill waveformatex
ZeroMemory(&wformat, sizeof(WAVEFORMATEXTENSIBLE));
wformat.Format.cbSize = (ao_data.channels.num > 2) ? sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX) : 0;
wformat.Format.nChannels = ao_data.channels.num;
wformat.Format.nSamplesPerSec = rate;
if (AF_FORMAT_IS_AC3(format)) {
wformat.Format.wFormatTag = WAVE_FORMAT_DOLBY_AC3_SPDIF;
wformat.Format.wBitsPerSample = 16;
wformat.Format.nBlockAlign = 4;
} else {
wformat.Format.wFormatTag = (ao_data.channels.num > 2) ? WAVE_FORMAT_EXTENSIBLE : WAVE_FORMAT_PCM;
wformat.Format.wBitsPerSample = af_fmt2bits(format);
wformat.Format.nBlockAlign = wformat.Format.nChannels * (wformat.Format.wBitsPerSample >> 3);
}
// fill in primary sound buffer descriptor
memset(&dsbpridesc, 0, sizeof(DSBUFFERDESC));
dsbpridesc.dwSize = sizeof(DSBUFFERDESC);
dsbpridesc.dwFlags = DSBCAPS_PRIMARYBUFFER;
dsbpridesc.dwBufferBytes = 0;
dsbpridesc.lpwfxFormat = NULL;
// fill in the secondary sound buffer (=stream buffer) descriptor
memset(&dsbdesc, 0, sizeof(DSBUFFERDESC));
dsbdesc.dwSize = sizeof(DSBUFFERDESC);
dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 /** Better position accuracy */
| DSBCAPS_GLOBALFOCUS /** Allows background playing */
| DSBCAPS_CTRLVOLUME; /** volume control enabled */
if (ao_data.channels.num > 2) {
wformat.dwChannelMask = mp_chmap_to_waveext(&ao_data.channels);
wformat.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
wformat.Samples.wValidBitsPerSample = wformat.Format.wBitsPerSample;
// Needed for 5.1 on emu101k - shit soundblaster
dsbdesc.dwFlags |= DSBCAPS_LOCHARDWARE;
}
wformat.Format.nAvgBytesPerSec = wformat.Format.nSamplesPerSec * wformat.Format.nBlockAlign;
dsbdesc.dwBufferBytes = ao_data.buffersize;
dsbdesc.lpwfxFormat = (WAVEFORMATEX *)&wformat;
buffer_size = dsbdesc.dwBufferBytes;
write_offset = 0;
min_free_space = wformat.Format.nBlockAlign;
ao_data.outburst = wformat.Format.nBlockAlign * 512;
// create primary buffer and set its format
res = IDirectSound_CreateSoundBuffer( hds, &dsbpridesc, &hdspribuf, NULL );
if ( res != DS_OK ) {
UninitDirectSound();
mp_msg(MSGT_AO, MSGL_ERR,"ao_dsound: cannot create primary buffer (%s)\n", dserr2str(res));
return 0;
}
res = IDirectSoundBuffer_SetFormat( hdspribuf, (WAVEFORMATEX *)&wformat );
if ( res != DS_OK ) mp_msg(MSGT_AO, MSGL_WARN,"ao_dsound: cannot set primary buffer format (%s), using standard setting (bad quality)", dserr2str(res));
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: primary buffer created\n");
// now create the stream buffer
res = IDirectSound_CreateSoundBuffer(hds, &dsbdesc, &hdsbuf, NULL);
if (res != DS_OK) {
if (dsbdesc.dwFlags & DSBCAPS_LOCHARDWARE) {
// Try without DSBCAPS_LOCHARDWARE
dsbdesc.dwFlags &= ~DSBCAPS_LOCHARDWARE;
res = IDirectSound_CreateSoundBuffer(hds, &dsbdesc, &hdsbuf, NULL);
}
if (res != DS_OK) {
UninitDirectSound();
mp_msg(MSGT_AO, MSGL_ERR, "ao_dsound: cannot create secondary (stream)buffer (%s)\n", dserr2str(res));
return 0;
}
}
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: secondary (stream)buffer created\n");
return 1;
if (res != DS_OK) {
UninitDirectSound();
mp_msg(MSGT_AO, MSGL_ERR,
"ao_dsound: cannot create secondary (stream)buffer (%s)\n",
dserr2str(res));
return 0;
}
}
mp_msg(MSGT_AO, MSGL_V, "ao_dsound: secondary (stream)buffer created\n");
return 1;
}
@ -501,11 +534,11 @@ static int init(int rate, const struct mp_chmap *channels, int format, int flags
*/
static void reset(void)
{
IDirectSoundBuffer_Stop(hdsbuf);
// reset directsound buffer
IDirectSoundBuffer_SetCurrentPosition(hdsbuf, 0);
write_offset=0;
underrun_check=0;
IDirectSoundBuffer_Stop(hdsbuf);
// reset directsound buffer
IDirectSoundBuffer_SetCurrentPosition(hdsbuf, 0);
write_offset = 0;
underrun_check = 0;
}
/**
@ -513,7 +546,7 @@ static void reset(void)
*/
static void audio_pause(void)
{
IDirectSoundBuffer_Stop(hdsbuf);
IDirectSoundBuffer_Stop(hdsbuf);
}
/**
@ -521,7 +554,7 @@ static void audio_pause(void)
*/
static void audio_resume(void)
{
IDirectSoundBuffer_Play(hdsbuf, 0, 0, DSBPLAY_LOOPING);
IDirectSoundBuffer_Play(hdsbuf, 0, 0, DSBPLAY_LOOPING);
}
/**
@ -530,51 +563,53 @@ static void audio_resume(void)
*/
static void uninit(int immed)
{
if (!immed)
mp_sleep_us(get_delay() * 1000000);
reset();
if (!immed)
mp_sleep_us(get_delay() * 1000000);
reset();
DestroyBuffer();
UninitDirectSound();
DestroyBuffer();
UninitDirectSound();
}
// return exact number of free (safe to write) bytes
static int check_free_buffer_size(void)
{
int space;
DWORD play_offset;
IDirectSoundBuffer_GetCurrentPosition(hdsbuf,&play_offset,NULL);
space=buffer_size-(write_offset-play_offset);
// | | <-- const --> | | |
// buffer start play_cursor write_cursor write_offset buffer end
// play_cursor is the actual postion of the play cursor
// write_cursor is the position after which it is assumed to be save to write data
// write_offset is the postion where we actually write the data to
if(space > buffer_size)space -= buffer_size; // write_offset < play_offset
// Check for buffer underruns. An underrun happens if DirectSound
// started to play old data beyond the current write_offset. Detect this
// by checking whether the free space shrinks, even though no data was
// written (i.e. no write_buffer). Doesn't always work, but the only
// reason we need this is to deal with the situation when playback ends,
// and the buffer is only half-filled.
if (space < underrun_check) {
// there's no useful data in the buffers
space = buffer_size;
reset();
}
underrun_check = space;
return space;
int space;
DWORD play_offset;
IDirectSoundBuffer_GetCurrentPosition(hdsbuf, &play_offset, NULL);
space = buffer_size - (write_offset - play_offset);
// | | <-- const --> | | |
// buffer start play_cursor write_cursor write_offset buffer end
// play_cursor is the actual postion of the play cursor
// write_cursor is the position after which it is assumed to be save to write data
// write_offset is the postion where we actually write the data to
if (space > buffer_size)
space -= buffer_size; // write_offset < play_offset
// Check for buffer underruns. An underrun happens if DirectSound
// started to play old data beyond the current write_offset. Detect this
// by checking whether the free space shrinks, even though no data was
// written (i.e. no write_buffer). Doesn't always work, but the only
// reason we need this is to deal with the situation when playback ends,
// and the buffer is only half-filled.
if (space < underrun_check) {
// there's no useful data in the buffers
space = buffer_size;
reset();
}
underrun_check = space;
return space;
}
/**
\brief find out how many bytes can be written into the audio buffer without
\return free space in bytes, has to return 0 if the buffer is almost full
*/
\brief find out how many bytes can be written into the audio buffer without
\return free space in bytes, has to return 0 if the buffer is almost full
*/
static int get_space(void)
{
int space = check_free_buffer_size();
if(space < min_free_space)return 0;
return space-min_free_space;
int space = check_free_buffer_size();
if (space < min_free_space)
return 0;
return space - min_free_space;
}
/**
@ -584,14 +619,15 @@ static int get_space(void)
\param flags currently unused
\return number of played bytes
*/
static int play(void* data, int len, int flags)
static int play(void *data, int len, int flags)
{
int space = check_free_buffer_size();
if(space < len) len = space;
int space = check_free_buffer_size();
if (space < len)
len = space;
if (!(flags & AOPLAY_FINAL_CHUNK))
len = (len / ao_data.outburst) * ao_data.outburst;
return write_buffer(data, len);
if (!(flags & AOPLAY_FINAL_CHUNK))
len = (len / ao_data.outburst) * ao_data.outburst;
return write_buffer(data, len);
}
/**
@ -600,6 +636,6 @@ static int play(void* data, int len, int flags)
*/
static float get_delay(void)
{
int space = check_free_buffer_size();
return (float)(buffer_size - space) / (float)ao_data.bps;
int space = check_free_buffer_size();
return (float)(buffer_size - space) / (float)ao_data.bps;
}