115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
// Copyright (c) 2009, Grigori Goronzy
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of the Aegisub Group nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Aegisub Project http://www.aegisub.org/
|
|
|
|
/// @file audio_player_oss.h
|
|
/// @see audio_player_oss.cpp
|
|
/// @ingroup audio_output
|
|
///
|
|
|
|
#ifdef WITH_OSS
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <wx/thread.h>
|
|
|
|
#include <fcntl.h>
|
|
#ifdef HAVE_SOUNDCARD_H
|
|
# include <soundcard.h>
|
|
#else
|
|
# ifdef HAVE_SYS_SOUNDCARD_H
|
|
# include <sys/soundcard.h>
|
|
# endif
|
|
#endif
|
|
|
|
#include "include/aegisub/audio_player.h"
|
|
|
|
class AudioProvider;
|
|
class OSSPlayer;
|
|
|
|
/// Worker thread to asynchronously write audio data to the output device
|
|
class OSSPlayerThread : public wxThread {
|
|
/// Parent player
|
|
OSSPlayer *parent;
|
|
|
|
public:
|
|
/// Constructor
|
|
/// @param parent Player to get audio data and playback state from
|
|
OSSPlayerThread(OSSPlayer *parent);
|
|
|
|
/// Main thread entry point
|
|
wxThread::ExitCode Entry();
|
|
};
|
|
|
|
class OSSPlayer : public AudioPlayer {
|
|
friend class OSSPlayerThread;
|
|
|
|
/// sample rate of audio
|
|
unsigned int rate = 0;
|
|
|
|
/// Worker thread that does the actual writing
|
|
OSSPlayerThread *thread = nullptr;
|
|
|
|
/// Is the player currently playing?
|
|
volatile bool playing = false;
|
|
|
|
/// Current volume level
|
|
volatile float volume = 1.f;
|
|
|
|
/// first frame of playback
|
|
volatile unsigned long start_frame = 0;
|
|
|
|
/// last written frame + 1
|
|
volatile unsigned long cur_frame = 0;
|
|
|
|
/// last frame to play
|
|
volatile unsigned long end_frame = 0;
|
|
|
|
/// bytes per frame
|
|
unsigned long bpf = 0;
|
|
|
|
/// OSS audio device handle
|
|
volatile int dspdev = 0;
|
|
|
|
void OpenStream();
|
|
|
|
public:
|
|
OSSPlayer(AudioProvider *provider);
|
|
~OSSPlayer();
|
|
|
|
void Play(int64_t start, int64_t count);
|
|
void Stop();
|
|
bool IsPlaying() { return playing; }
|
|
|
|
int64_t GetEndPosition() { return end_frame; }
|
|
void SetEndPosition(int64_t pos);
|
|
|
|
int64_t GetCurrentPosition();
|
|
|
|
void SetVolume(double vol) { volume = vol; }
|
|
};
|
|
#endif
|