forked from mia/Aegisub
7218c04d52
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.
147 lines
3.9 KiB
C++
147 lines
3.9 KiB
C++
// Copyright (c) 2007, Niels Martin Hansen
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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_pulse.h
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/// @see audio_player_pulse.cpp
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/// @ingroup audio_output
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///
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#ifdef WITH_LIBPULSE
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#include <pulse/pulseaudio.h>
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#include "include/aegisub/audio_player.h"
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class PulseAudioPlayer;
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/// DOCME
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/// @class PulseAudioPlayer
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/// @brief DOCME
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///
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/// DOCME
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class PulseAudioPlayer : public AudioPlayer {
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private:
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/// DOCME
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float volume;
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/// DOCME
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bool open;
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/// DOCME
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bool is_playing;
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/// DOCME
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volatile unsigned long start_frame;
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/// DOCME
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volatile unsigned long cur_frame;
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/// DOCME
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volatile unsigned long end_frame;
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/// DOCME
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unsigned long bpf; // bytes per frame
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/// DOCME
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wxSemaphore context_notify;
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/// DOCME
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wxSemaphore context_success;
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/// DOCME
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volatile int context_success_val;
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/// DOCME
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wxSemaphore stream_notify;
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/// DOCME
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wxSemaphore stream_success;
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/// DOCME
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volatile int stream_success_val;
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/// DOCME
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pa_threaded_mainloop *mainloop; // pulseaudio mainloop handle
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/// DOCME
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pa_context *context; // connection context
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/// DOCME
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volatile pa_context_state_t cstate;
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/// DOCME
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pa_stream *stream;
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/// DOCME
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volatile pa_stream_state_t sstate;
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/// DOCME
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volatile pa_usec_t play_start_time; // timestamp when playback was started
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/// DOCME
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int paerror;
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// Called by PA to notify about contetxt operation completion
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static void pa_context_success(pa_context *c, int success, PulseAudioPlayer *thread);
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// Called by PA to notify about other context-related stuff
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static void pa_context_notify(pa_context *c, PulseAudioPlayer *thread);
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// Called by PA when a stream operation completes
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static void pa_stream_success(pa_stream *p, int success, PulseAudioPlayer *thread);
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// Called by PA to request more data written to stream
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static void pa_stream_write(pa_stream *p, size_t length, PulseAudioPlayer *thread);
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// Called by PA to notify about other stream-related stuff
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static void pa_stream_notify(pa_stream *p, PulseAudioPlayer *thread);
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public:
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PulseAudioPlayer();
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~PulseAudioPlayer();
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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();
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int64_t GetStartPosition();
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int64_t GetEndPosition();
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int64_t GetCurrentPosition();
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void SetEndPosition(int64_t pos);
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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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