forked from mia/Aegisub
Move doxygen comments in the dsound2 player to the declarations from the defitions
Originally committed to SVN as r5852.
This commit is contained in:
Thomas Goyne
parent
554a61daf5
commit
a5f6e0588e
2 changed files with 105 additions and 185 deletions
|
|
@ -34,9 +34,6 @@
|
|||
/// @ingroup audio_output
|
||||
///
|
||||
|
||||
|
||||
///////////
|
||||
// Headers
|
||||
#include "config.h"
|
||||
|
||||
#ifdef WITH_DIRECTSOUND
|
||||
|
|
@ -56,29 +53,24 @@
|
|||
#include "main.h"
|
||||
#include "utils.h"
|
||||
|
||||
|
||||
|
||||
/// @brief RAII support class to init and de-init the COM library
|
||||
struct COMInitialization {
|
||||
|
||||
/// Flag set if an inited COM library is managed
|
||||
bool inited;
|
||||
|
||||
|
||||
/// @brief Constructor, sets inited false
|
||||
COMInitialization()
|
||||
{
|
||||
inited = false;
|
||||
}
|
||||
|
||||
|
||||
/// @brief Destructor, de-inits COM if it is inited
|
||||
~COMInitialization()
|
||||
{
|
||||
if (inited) CoUninitialize();
|
||||
}
|
||||
|
||||
|
||||
/// @brief Initialise the COM library as single-threaded apartment if isn't already inited by us
|
||||
void Init()
|
||||
{
|
||||
|
|
@ -91,24 +83,19 @@ struct COMInitialization {
|
|||
}
|
||||
};
|
||||
|
||||
|
||||
|
||||
/// @class COMObjectRetainer
|
||||
/// @brief Simple auto_ptr-like class for COM objects
|
||||
template<class T>
|
||||
struct COMObjectRetainer {
|
||||
|
||||
/// Managed object
|
||||
T *obj;
|
||||
|
||||
|
||||
/// @brief Constructor for null object
|
||||
COMObjectRetainer()
|
||||
{
|
||||
obj = 0;
|
||||
}
|
||||
|
||||
|
||||
/// @brief Constructor to take object immediately
|
||||
/// @param _obj Object to manage
|
||||
COMObjectRetainer(T *_obj)
|
||||
|
|
@ -116,14 +103,12 @@ struct COMObjectRetainer {
|
|||
obj = _obj;
|
||||
}
|
||||
|
||||
|
||||
/// @brief Destructor, releases object if there is one
|
||||
~COMObjectRetainer()
|
||||
{
|
||||
if (obj) obj->Release();
|
||||
}
|
||||
|
||||
|
||||
/// @brief Dereference the managed object
|
||||
/// @return The managed object
|
||||
T * operator -> ()
|
||||
|
|
@ -132,8 +117,6 @@ struct COMObjectRetainer {
|
|||
}
|
||||
};
|
||||
|
||||
|
||||
|
||||
/// @brief RAII wrapper around Win32 HANDLE type
|
||||
struct Win32KernelHandle {
|
||||
/// HANDLE value being managed
|
||||
|
|
@ -156,18 +139,29 @@ struct Win32KernelHandle {
|
|||
operator HANDLE () const { return handle; }
|
||||
};
|
||||
|
||||
|
||||
|
||||
/// @class DirectSoundPlayer2Thread
|
||||
/// @brief Playback thread class for DirectSoundPlayer2
|
||||
///
|
||||
/// Not based on wxThread, but uses Win32 threads directly
|
||||
class DirectSoundPlayer2Thread {
|
||||
/// @brief Win32 thread entry point
|
||||
/// @param parameter Pointer to our thread object
|
||||
/// @return Thread return value, always 0 here
|
||||
static unsigned int __stdcall ThreadProc(void *parameter);
|
||||
/// @brief Thread entry point
|
||||
void Run();
|
||||
|
||||
/// @brief Fill audio data into a locked buffer-pair and unlock the buffers
|
||||
/// @param buf1 First buffer in pair
|
||||
/// @param buf1sz Byte-size of first buffer in pair
|
||||
/// @param buf2 Second buffer in pair, or null
|
||||
/// @param buf2sz Byte-size of second buffer in pair
|
||||
/// @param input_frame First audio frame to fill into buffers
|
||||
/// @param bfr DirectSound buffer object owning the buffer pair
|
||||
/// @return Number of bytes written
|
||||
DWORD FillAndUnlockBuffers(void *buf1, DWORD buf1sz, void *buf2, DWORD buf2sz, int64_t &input_frame, IDirectSoundBuffer8 *bfr);
|
||||
|
||||
/// @brief Check for error state and throw exception if one occurred
|
||||
void CheckError();
|
||||
|
||||
|
||||
|
|
@ -221,48 +215,74 @@ class DirectSoundPlayer2Thread {
|
|||
/// System millisecond timestamp of last playback start, used to calculate playback position
|
||||
DWORD last_playback_restart;
|
||||
|
||||
|
||||
/// Audio provider to take sample data from
|
||||
AudioProvider *provider;
|
||||
|
||||
public:
|
||||
/// @brief Constructor, creates and starts playback thread
|
||||
/// @param provider Audio provider to take sample data from
|
||||
/// @param WantedLatency Desired length in milliseconds to write ahead of the playback cursor
|
||||
/// @param BufferLength Multiplier for WantedLatency to get total buffer length
|
||||
DirectSoundPlayer2Thread(AudioProvider *provider, int WantedLatency, int BufferLength);
|
||||
/// @brief Destructor, waits for thread to have died
|
||||
~DirectSoundPlayer2Thread();
|
||||
|
||||
/// @brief Start audio playback
|
||||
/// @param start Audio frame to start playback at
|
||||
/// @param count Number of audio frames to play
|
||||
void Play(int64_t start, int64_t count);
|
||||
|
||||
/// @brief Stop audio playback
|
||||
void Stop();
|
||||
|
||||
/// @brief Change audio playback end point
|
||||
/// @param new_end_frame New last audio frame to play
|
||||
///
|
||||
/// Playback stops instantly if new_end_frame is before the current playback position
|
||||
void SetEndFrame(int64_t new_end_frame);
|
||||
|
||||
/// @brief Change audio playback volume
|
||||
/// @param new_volume New playback amplification factor, 1.0 is "unchanged"
|
||||
void SetVolume(double new_volume);
|
||||
|
||||
/// @brief Tell whether audio playback is active
|
||||
/// @return True if audio is being played back, false if it is not
|
||||
bool IsPlaying();
|
||||
|
||||
/// @brief Get first audio frame in current playback range
|
||||
/// @return Audio frame index
|
||||
int64_t GetStartFrame();
|
||||
|
||||
/// @brief Get approximate current audio frame being heard by the user
|
||||
/// @return Audio frame index
|
||||
///
|
||||
/// Returns 0 if not playing
|
||||
int64_t GetCurrentFrame();
|
||||
|
||||
/// @brief Get audio playback end point
|
||||
/// @return Audio frame index
|
||||
int64_t GetEndFrame();
|
||||
|
||||
/// @brief Get current playback volume
|
||||
/// @return Audio amplification factor
|
||||
double GetVolume();
|
||||
|
||||
/// @brief Tell whether playback thread has died
|
||||
/// @return True if thread is no longer running
|
||||
bool IsDead();
|
||||
};
|
||||
|
||||
|
||||
|
||||
/// @brief Win32 thread entry point
|
||||
/// @param parameter Pointer to our thread object
|
||||
/// @return Thread return value, always 0 here
|
||||
///
|
||||
unsigned int __stdcall DirectSoundPlayer2Thread::ThreadProc(void *parameter)
|
||||
{
|
||||
static_cast<DirectSoundPlayer2Thread*>(parameter)->Run();
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Thread entry point
|
||||
void DirectSoundPlayer2Thread::Run()
|
||||
{
|
||||
|
||||
/// Macro used to set error_message, error_happened and end the thread
|
||||
#define REPORT_ERROR(msg) { error_message = "DirectSoundPlayer2Thread: " msg; SetEvent(error_happened); return; }
|
||||
|
||||
void DirectSoundPlayer2Thread::Run()
|
||||
{
|
||||
COMInitialization COM_library;
|
||||
try { COM_library.Init(); }
|
||||
catch (std::exception e)
|
||||
|
|
@ -292,7 +312,7 @@ void DirectSoundPlayer2Thread::Run()
|
|||
int aim = waveFormat.nAvgBytesPerSec * (wanted_latency*buffer_length)/1000;
|
||||
int min = DSBSIZE_MIN;
|
||||
int max = DSBSIZE_MAX;
|
||||
DWORD bufSize = mid(min,aim,max); // size of entier playback buffer
|
||||
DWORD bufSize = mid(min,aim,max); // size of entire playback buffer
|
||||
DSBUFFERDESC desc;
|
||||
desc.dwSize = sizeof(DSBUFFERDESC);
|
||||
desc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_GLOBALFOCUS;
|
||||
|
|
@ -552,21 +572,10 @@ do_fill_buffer:
|
|||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#undef REPORT_ERROR
|
||||
}
|
||||
|
||||
#undef REPORT_ERROR
|
||||
|
||||
|
||||
/// @brief Fill audio data into a locked buffer-pair and unlock the buffers
|
||||
/// @param buf1 First buffer in pair
|
||||
/// @param buf1sz Byte-size of first buffer in pair
|
||||
/// @param buf2 Second buffer in pair, or null
|
||||
/// @param buf2sz Byte-size of second buffer in pair
|
||||
/// @param input_frame First audio frame to fill into buffers
|
||||
/// @param bfr DirectSound buffer object owning the buffer pair
|
||||
/// @return Number of bytes written
|
||||
///
|
||||
DWORD DirectSoundPlayer2Thread::FillAndUnlockBuffers(void *buf1, DWORD buf1sz, void *buf2, DWORD buf2sz, int64_t &input_frame, IDirectSoundBuffer8 *bfr)
|
||||
{
|
||||
// Assume buffers have been locked and are ready to be filled
|
||||
|
|
@ -625,9 +634,6 @@ DWORD DirectSoundPlayer2Thread::FillAndUnlockBuffers(void *buf1, DWORD buf1sz, v
|
|||
return buf1sz + buf2sz;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Check for error state and throw exception if one occurred
|
||||
void DirectSoundPlayer2Thread::CheckError()
|
||||
{
|
||||
try
|
||||
|
|
@ -656,13 +662,7 @@ void DirectSoundPlayer2Thread::CheckError()
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Constructor, creates and starts playback thread
|
||||
/// @param provider Audio provider to take sample data from
|
||||
/// @param _WantedLatency Desired length in milliseconds to write ahead of the playback cursor
|
||||
/// @param _BufferLength Multiplier for WantedLatency to get total buffer length
|
||||
DirectSoundPlayer2Thread::DirectSoundPlayer2Thread(AudioProvider *provider, int _WantedLatency, int _BufferLength)
|
||||
DirectSoundPlayer2Thread::DirectSoundPlayer2Thread(AudioProvider *provider, int WantedLatency, int BufferLength)
|
||||
: event_start_playback (CreateEvent(0, FALSE, FALSE, 0))
|
||||
, event_stop_playback (CreateEvent(0, FALSE, FALSE, 0))
|
||||
, event_update_end_time (CreateEvent(0, FALSE, FALSE, 0))
|
||||
|
|
@ -671,17 +671,15 @@ DirectSoundPlayer2Thread::DirectSoundPlayer2Thread(AudioProvider *provider, int
|
|||
, thread_running (CreateEvent(0, TRUE, FALSE, 0))
|
||||
, is_playing (CreateEvent(0, TRUE, FALSE, 0))
|
||||
, error_happened (CreateEvent(0, FALSE, FALSE, 0))
|
||||
, wanted_latency(WantedLatency)
|
||||
, buffer_length(BufferLength)
|
||||
, provider(provider)
|
||||
{
|
||||
error_message = 0;
|
||||
volume = 1.0;
|
||||
start_frame = 0;
|
||||
end_frame = 0;
|
||||
|
||||
wanted_latency = _WantedLatency;
|
||||
buffer_length = _BufferLength;
|
||||
|
||||
this->provider = provider;
|
||||
|
||||
thread_handle.handle = (HANDLE)_beginthreadex(0, 0, ThreadProc, this, 0, 0);
|
||||
|
||||
if (!thread_handle)
|
||||
|
|
@ -703,20 +701,12 @@ DirectSoundPlayer2Thread::DirectSoundPlayer2Thread(AudioProvider *provider, int
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Destructor, waits for thread to have died
|
||||
DirectSoundPlayer2Thread::~DirectSoundPlayer2Thread()
|
||||
{
|
||||
SetEvent(event_kill_self);
|
||||
WaitForSingleObject(thread_handle, INFINITE);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Start audio playback
|
||||
/// @param start Audio frame to start playback at
|
||||
/// @param count Number of audio frames to play
|
||||
void DirectSoundPlayer2Thread::Play(int64_t start, int64_t count)
|
||||
{
|
||||
CheckError();
|
||||
|
|
@ -728,9 +718,6 @@ void DirectSoundPlayer2Thread::Play(int64_t start, int64_t count)
|
|||
last_playback_restart = GetTickCount();
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Stop audio playback
|
||||
void DirectSoundPlayer2Thread::Stop()
|
||||
{
|
||||
CheckError();
|
||||
|
|
@ -738,12 +725,6 @@ void DirectSoundPlayer2Thread::Stop()
|
|||
SetEvent(event_stop_playback);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Change audio playback end point
|
||||
/// @param new_end_frame New last audio frame to play
|
||||
///
|
||||
/// Playback stops instantly if new_end_frame is before the current playback position
|
||||
void DirectSoundPlayer2Thread::SetEndFrame(int64_t new_end_frame)
|
||||
{
|
||||
CheckError();
|
||||
|
|
@ -752,10 +733,6 @@ void DirectSoundPlayer2Thread::SetEndFrame(int64_t new_end_frame)
|
|||
SetEvent(event_update_end_time);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Change audio playback volume
|
||||
/// @param new_volume New playback amplification factor, 1.0 is "unchanged"
|
||||
void DirectSoundPlayer2Thread::SetVolume(double new_volume)
|
||||
{
|
||||
CheckError();
|
||||
|
|
@ -764,10 +741,6 @@ void DirectSoundPlayer2Thread::SetVolume(double new_volume)
|
|||
SetEvent(event_set_volume);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Tell whether audio playback is active
|
||||
/// @return True if audio is being played back, false if it is not
|
||||
bool DirectSoundPlayer2Thread::IsPlaying()
|
||||
{
|
||||
CheckError();
|
||||
|
|
@ -789,10 +762,6 @@ bool DirectSoundPlayer2Thread::IsPlaying()
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Get first audio frame in current playback range
|
||||
/// @return Audio frame index
|
||||
int64_t DirectSoundPlayer2Thread::GetStartFrame()
|
||||
{
|
||||
CheckError();
|
||||
|
|
@ -800,12 +769,6 @@ int64_t DirectSoundPlayer2Thread::GetStartFrame()
|
|||
return start_frame;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Get approximate current audio frame being heard by the user
|
||||
/// @return Audio frame index
|
||||
///
|
||||
/// Returns 0 if not playing
|
||||
int64_t DirectSoundPlayer2Thread::GetCurrentFrame()
|
||||
{
|
||||
CheckError();
|
||||
|
|
@ -817,10 +780,6 @@ int64_t DirectSoundPlayer2Thread::GetCurrentFrame()
|
|||
return start_frame + milliseconds_elapsed * provider->GetSampleRate() / 1000;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Get audio playback end point
|
||||
/// @return Audio frame index
|
||||
int64_t DirectSoundPlayer2Thread::GetEndFrame()
|
||||
{
|
||||
CheckError();
|
||||
|
|
@ -828,10 +787,6 @@ int64_t DirectSoundPlayer2Thread::GetEndFrame()
|
|||
return end_frame;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Get current playback volume
|
||||
/// @return Audio amplification factor
|
||||
double DirectSoundPlayer2Thread::GetVolume()
|
||||
{
|
||||
CheckError();
|
||||
|
|
@ -839,10 +794,6 @@ double DirectSoundPlayer2Thread::GetVolume()
|
|||
return volume;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Tell whether playback thread has died
|
||||
/// @return True if thread is no longer running
|
||||
bool DirectSoundPlayer2Thread::IsDead()
|
||||
{
|
||||
switch (WaitForSingleObject(thread_running, 0))
|
||||
|
|
@ -855,11 +806,6 @@ bool DirectSoundPlayer2Thread::IsDead()
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
/// @brief Constructor
|
||||
DirectSoundPlayer2::DirectSoundPlayer2()
|
||||
{
|
||||
thread = 0;
|
||||
|
|
@ -875,18 +821,11 @@ DirectSoundPlayer2::DirectSoundPlayer2()
|
|||
BufferLength = 5;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Destructor
|
||||
DirectSoundPlayer2::~DirectSoundPlayer2()
|
||||
{
|
||||
CloseStream();
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Tell whether playback thread is alive
|
||||
/// @return True if there is a playback thread and it's ready
|
||||
bool DirectSoundPlayer2::IsThreadAlive()
|
||||
{
|
||||
if (!thread) return false;
|
||||
|
|
@ -901,11 +840,6 @@ bool DirectSoundPlayer2::IsThreadAlive()
|
|||
return true;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Prepare for playback
|
||||
///
|
||||
/// This means creating the playback thread
|
||||
void DirectSoundPlayer2::OpenStream()
|
||||
{
|
||||
if (IsThreadAlive()) return;
|
||||
|
|
@ -921,9 +855,6 @@ void DirectSoundPlayer2::OpenStream()
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Shutdown playback
|
||||
void DirectSoundPlayer2::CloseStream()
|
||||
{
|
||||
if (!IsThreadAlive()) return;
|
||||
|
|
@ -939,12 +870,6 @@ void DirectSoundPlayer2::CloseStream()
|
|||
thread = 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Change audio provider used
|
||||
/// @param provider New audio provider to use
|
||||
///
|
||||
/// Will re-create the playback thread if the provider changed and playback was open
|
||||
void DirectSoundPlayer2::SetProvider(AudioProvider *provider)
|
||||
{
|
||||
try
|
||||
|
|
@ -963,11 +888,6 @@ void DirectSoundPlayer2::SetProvider(AudioProvider *provider)
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Start playback
|
||||
/// @param start First audio frame to play
|
||||
/// @param count Number of audio frames to play
|
||||
void DirectSoundPlayer2::Play(int64_t start,int64_t count)
|
||||
{
|
||||
try
|
||||
|
|
@ -983,11 +903,6 @@ void DirectSoundPlayer2::Play(int64_t start,int64_t count)
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Stop audio playback
|
||||
/// @param timerToo Whether to also stop the playback update timer
|
||||
///
|
||||
void DirectSoundPlayer2::Stop(bool timerToo)
|
||||
{
|
||||
try
|
||||
|
|
@ -1004,10 +919,6 @@ void DirectSoundPlayer2::Stop(bool timerToo)
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Tell whether playback is active
|
||||
/// @return True if audio is playing back
|
||||
bool DirectSoundPlayer2::IsPlaying()
|
||||
{
|
||||
try
|
||||
|
|
@ -1022,12 +933,6 @@ bool DirectSoundPlayer2::IsPlaying()
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Get first audio frame in playback range
|
||||
/// @return Audio frame index
|
||||
///
|
||||
/// Returns 0 if playback is stopped or there is no playback thread
|
||||
int64_t DirectSoundPlayer2::GetStartPosition()
|
||||
{
|
||||
try
|
||||
|
|
@ -1042,12 +947,6 @@ int64_t DirectSoundPlayer2::GetStartPosition()
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Get playback end position
|
||||
/// @return Audio frame index
|
||||
///
|
||||
/// Returns 0 if playback is stopped or there is no playback thread
|
||||
int64_t DirectSoundPlayer2::GetEndPosition()
|
||||
{
|
||||
try
|
||||
|
|
@ -1062,12 +961,6 @@ int64_t DirectSoundPlayer2::GetEndPosition()
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Get approximate playback position
|
||||
/// @return Index of audio frame user is currently hearing
|
||||
///
|
||||
/// Returns 0 if playback is stopped or there is no playback thread
|
||||
int64_t DirectSoundPlayer2::GetCurrentPosition()
|
||||
{
|
||||
try
|
||||
|
|
@ -1082,10 +975,6 @@ int64_t DirectSoundPlayer2::GetCurrentPosition()
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Change playback end position
|
||||
/// @param pos New end position
|
||||
void DirectSoundPlayer2::SetEndPosition(int64_t pos)
|
||||
{
|
||||
try
|
||||
|
|
@ -1098,12 +987,6 @@ void DirectSoundPlayer2::SetEndPosition(int64_t pos)
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Seek playback to new position
|
||||
/// @param pos New position to seek to
|
||||
///
|
||||
/// This is done by simply restarting playback
|
||||
void DirectSoundPlayer2::SetCurrentPosition(int64_t pos)
|
||||
{
|
||||
try
|
||||
|
|
@ -1116,10 +999,6 @@ void DirectSoundPlayer2::SetCurrentPosition(int64_t pos)
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Change playback volume
|
||||
/// @param vol Amplification factor
|
||||
void DirectSoundPlayer2::SetVolume(double vol)
|
||||
{
|
||||
try
|
||||
|
|
@ -1132,10 +1011,6 @@ void DirectSoundPlayer2::SetVolume(double vol)
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// @brief Get playback volume
|
||||
/// @return Amplification factor
|
||||
double DirectSoundPlayer2::GetVolume()
|
||||
{
|
||||
try
|
||||
|
|
@ -1149,6 +1024,4 @@ double DirectSoundPlayer2::GetVolume()
|
|||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#endif // WITH_DIRECTSOUND
|
||||
|
|
|
|||
|
|
@ -58,28 +58,75 @@ protected:
|
|||
/// Multiplier for WantedLatency to get total buffer length
|
||||
int BufferLength;
|
||||
|
||||
/// @brief Tell whether playback thread is alive
|
||||
/// @return True if there is a playback thread and it's ready
|
||||
bool IsThreadAlive();
|
||||
|
||||
public:
|
||||
/// @brief Constructor
|
||||
DirectSoundPlayer2();
|
||||
/// @brief Destructor
|
||||
~DirectSoundPlayer2();
|
||||
|
||||
/// @brief Prepare for playback
|
||||
///
|
||||
/// This means creating the playback thread
|
||||
void OpenStream();
|
||||
/// @brief Shutdown playback
|
||||
void CloseStream();
|
||||
|
||||
/// @brief Change audio provider used
|
||||
/// @param provider New audio provider to use
|
||||
///
|
||||
/// Will re-create the playback thread if the provider changed and playback was open
|
||||
void SetProvider(AudioProvider *provider);
|
||||
|
||||
/// @brief Start playback
|
||||
/// @param start First audio frame to play
|
||||
/// @param count Number of audio frames to play
|
||||
void Play(int64_t start,int64_t count);
|
||||
|
||||
/// @brief Stop audio playback
|
||||
/// @param timerToo Whether to also stop the playback update timer
|
||||
void Stop(bool timerToo=true);
|
||||
|
||||
/// @brief Tell whether playback is active
|
||||
/// @return True if audio is playing back
|
||||
bool IsPlaying();
|
||||
|
||||
/// @brief Get first audio frame in playback range
|
||||
/// @return Audio frame index
|
||||
///
|
||||
/// Returns 0 if playback is stopped or there is no playback thread
|
||||
int64_t GetStartPosition();
|
||||
|
||||
/// @brief Get playback end position
|
||||
/// @return Audio frame index
|
||||
///
|
||||
/// Returns 0 if playback is stopped or there is no playback thread
|
||||
int64_t GetEndPosition();
|
||||
/// @brief Get approximate playback position
|
||||
/// @return Index of audio frame user is currently hearing
|
||||
///
|
||||
/// Returns 0 if playback is stopped or there is no playback thread
|
||||
int64_t GetCurrentPosition();
|
||||
|
||||
/// @brief Change playback end position
|
||||
/// @param pos New end position
|
||||
void SetEndPosition(int64_t pos);
|
||||
|
||||
/// @brief Seek playback to new position
|
||||
/// @param pos New position to seek to
|
||||
///
|
||||
/// This is done by simply restarting playback
|
||||
void SetCurrentPosition(int64_t pos);
|
||||
|
||||
/// @brief Change playback volume
|
||||
/// @param vol Amplification factor
|
||||
void SetVolume(double vol);
|
||||
|
||||
/// @brief Get playback volume
|
||||
/// @return Amplification factor
|
||||
double GetVolume();
|
||||
};
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue