forked from mia/Aegisub
The rewritten audio display does not use displayTimer and that functionality shouldn't have been in the players in the first place. Originally committed to SVN as r6605.
133 lines
3.7 KiB
C++
133 lines
3.7 KiB
C++
// Copyright (c) 2009, Grigori Goronzy
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file audio_player_oss.h
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/// @see audio_player_oss.cpp
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/// @ingroup audio_output
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///
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#ifdef WITH_OSS
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#ifndef AGI_PRE
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#include <sys/ioctl.h>
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#endif
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#include <fcntl.h>
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#ifdef HAVE_SOUNDCARD_H
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# include <soundcard.h>
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#else
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# ifdef HAVE_SYS_SOUNDCARD_H
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# include <sys/soundcard.h>
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# endif
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#endif
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#include "include/aegisub/audio_player.h"
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class AudioProvider;
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class OSSPlayer;
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/// DOCME
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/// @class OSSPlayerThread
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/// @brief Worker thread to asynchronously write audio data to the output device
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class OSSPlayerThread : public wxThread {
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/// Parent player
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OSSPlayer *parent;
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public:
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/// Constructor
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/// @param parent Player to get audio data and playback state from
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OSSPlayerThread(OSSPlayer *parent);
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/// Main thread entry point
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wxThread::ExitCode Entry();
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};
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/// DOCME
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/// @class OSSPlayer
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/// @brief DOCME
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///
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/// DOCME
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class OSSPlayer : public AudioPlayer {
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friend class OSSPlayerThread;
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/// Is the output file handle initialized and ready to be written to?
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bool open;
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/// sample rate of audio
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unsigned int rate;
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/// Worker thread that does the actual writing
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OSSPlayerThread *thread;
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/// Is the player currently playing?
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volatile bool playing;
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/// Current volume level
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volatile float volume;
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/// first frame of playback
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volatile unsigned long start_frame;
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/// last written frame + 1
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volatile unsigned long cur_frame;
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/// last frame to play
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volatile unsigned long end_frame;
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/// bytes per frame
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unsigned long bpf;
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// OSS audio device handle
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volatile int dspdev;
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public:
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OSSPlayer();
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~OSSPlayer();
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void OpenStream();
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void CloseStream();
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void Play(int64_t start, int64_t count);
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void Stop();
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bool IsPlaying() { return playing; }
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int64_t GetStartPosition() { return start_frame; }
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int64_t GetEndPosition() { return end_frame; }
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void SetEndPosition(int64_t pos);
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int64_t GetCurrentPosition();
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void SetCurrentPosition(int64_t pos);
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void SetVolume(double vol) { volume = vol; }
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double GetVolume() { return volume; }
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};
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#endif
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