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