774fb0f674
* Wrapping all headers that are in agi_pre.h with AGI_PRE. * Sorting alphabetically. * Same operation as r3515. Note: This is broken when precompiled headers are not in use, I'll fix that after this commit so the two changes don't get jumbled up. Originally committed to SVN as r3525.
141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
// Copyright (c) 2005-2007, Rodrigo Braz Monteiro
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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_portaudio.h
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/// @see audio_player_portaudio.cpp
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/// @ingroup audio_output
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///
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#ifdef WITH_PORTAUDIO
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///////////
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// Headers
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#include "include/aegisub/audio_player.h"
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#include "include/aegisub/audio_provider.h"
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#include "utils.h"
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extern "C" {
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#include <portaudio.h>
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}
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/// @class PortAudioPlayer
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/// @brief PortAudio Player
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///
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class PortAudioPlayer : public AudioPlayer {
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private:
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/// PortAudio initilisation reference counter.
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static int pa_refcount;
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/// Current volume level.
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float volume;
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/// @brief Stream playback position info.
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struct PositionInfo {
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volatile int64_t current; /// Current position.
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volatile int64_t start; /// Start position.
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volatile int64_t end; /// End position.
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PaTime pa_start; /// PortAudio internal start position.
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};
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PositionInfo pos;
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/// PortAudio stream.
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void *stream;
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static int paCallback(
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const void *inputBuffer,
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void *outputBuffer,
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unsigned long framesPerBuffer,
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const PaStreamCallbackTimeInfo*
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timeInfo,
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PaStreamCallbackFlags
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statusFlags,
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void *userData);
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static void paStreamFinishedCallback(void *userData);
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public:
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PortAudioPlayer();
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~PortAudioPlayer();
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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(bool timerToo=true);
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/// @brief Whether audio is currently being played.
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/// @return Status
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bool IsPlaying();
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/// @brief Position audio will be played from.
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/// @return Start position.
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int64_t GetStartPosition() { return pos.start; }
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/// @brief End position playback will stop at.
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/// @return End position.
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int64_t GetEndPosition() { return pos.end; }
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int64_t GetCurrentPosition();
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/// @brief Set end position of playback
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/// @param pos End position
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void SetEndPosition(int64_t position) { pos.end = position; }
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/// @brief Set current position of playback.
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/// @param pos Current position
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void SetCurrentPosition(int64_t position) { pos.current = position; }
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/// @brief Set volume level
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/// @param vol Volume
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void SetVolume(double vol) { volume = vol; }
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/// @brief Get current volume level
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/// @return Volume level
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double GetVolume() { return volume; }
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wxArrayString GetOutputDevices(wxString favorite);
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};
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/// @class PortAudioPlayerFactory
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/// @brief PortAudio Player Factory
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class PortAudioPlayerFactory : public AudioPlayerFactory {
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public:
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/// @brief Create player
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/// @return New PortAudio Player
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AudioPlayer *CreatePlayer() { return new PortAudioPlayer(); }
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};
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#endif //ifdef WITH_PORTAUDIO
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