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96 lines
2.7 KiB
96 lines
2.7 KiB
15 years ago
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// audiofilePlayObject
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//
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// Copyright (C) 2001 Neil Stevens <neil@qualityassistant.com>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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// AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Except as contained in this notice, the name(s) of the author(s) shall not be
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// used in advertising or otherwise to promote the sale, use or other dealings
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// in this Software without prior written authorization from the author(s).
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#ifndef AUDIOFILEPLAYOBJECTI_H
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#define AUDIOFILEPLAYOBJECTI_H
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#include "audiofilearts.h"
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#include <stdsynthmodule.h>
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#include <string>
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namespace Arts
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{
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class Resampler;
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class AudioFilePlayObjectRefiller;
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}
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extern "C"
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{
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#include <audiofile.h>
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}
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using namespace Arts;
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using namespace std; // violation of Kyoto protocol against namespace pollution
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class audiofilePlayObjectI : public audiofilePlayObject_skel, public StdSynthModule
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{
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public:
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audiofilePlayObjectI();
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~audiofilePlayObjectI();
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bool loadMedia(const string &);
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string description();
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string mediaName();
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poCapabilities capabilities();
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poState state();
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void play();
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void pause();
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void halt();
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poTime currentTime();
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poTime overallTime();
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void seek(const poTime &);
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void calculateBlock(unsigned long samples);
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// functions demanded by the linker
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AutoSuspendState autoSuspend();
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void start();
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void stop();
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void streamInit();
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void streamStart();
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void streamEnd();
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// PitchablePlayObject:
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float speed();
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void speed(float newSpeed);
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private:
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bool sanityCheck(void) { return fh != AF_NULL_FILEHANDLE; };
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AFfilehandle fh;
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int channels, frameSize, sampleWidth;
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float samplingRate;
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poState myState;
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std::string filename;
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float _speed;
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Arts::Resampler * resampler;
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AudioFilePlayObjectRefiller * refiller;
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};
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#endif
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