81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2012-2021 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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// Lowlevel sound output support for SDL written by Volker Ruppert
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#if BX_HAVE_SOUND_SDL
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#include "bochs.h"
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#include <SDL_audio.h>
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// the waveout class
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class bx_soundlow_waveout_sdl_c : public bx_soundlow_waveout_c {
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public:
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bx_soundlow_waveout_sdl_c();
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virtual ~bx_soundlow_waveout_sdl_c();
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virtual int openwaveoutput(const char *wavedev);
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virtual int set_pcm_params(bx_pcm_param_t *param);
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virtual void unregister_wave_callback(int callback_id);
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virtual void resampler(audio_buffer_t *inbuffer, audio_buffer_t *outbuffer);
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virtual bool mixer_common(Bit8u *buffer, int len);
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private:
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bool WaveOutOpen;
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SDL_AudioSpec fmt;
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};
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#if BX_HAVE_SDL2_AUDIO_CAPTURE
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class bx_soundlow_wavein_sdl2_c : public bx_soundlow_wavein_c {
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public:
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bx_soundlow_wavein_sdl2_c();
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virtual ~bx_soundlow_wavein_sdl2_c();
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virtual int openwaveinput(const char *wavedev, sound_record_handler_t rh);
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virtual int startwaverecord(bx_pcm_param_t *param);
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virtual int getwavepacket(int length, Bit8u data[]);
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virtual int stopwaverecord();
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static void record_timer_handler(void *);
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void record_timer(void);
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private:
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bool WaveInOpen;
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SDL_AudioSpec fmt;
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SDL_AudioDeviceID devID;
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};
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#endif
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class bx_sound_sdl_c : public bx_sound_lowlevel_c {
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public:
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bx_sound_sdl_c() : bx_sound_lowlevel_c("sdl") {}
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virtual ~bx_sound_sdl_c() {}
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virtual bx_soundlow_waveout_c* get_waveout();
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#if BX_HAVE_SDL2_AUDIO_CAPTURE
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virtual bx_soundlow_wavein_c* get_wavein();
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#endif
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} bx_sound_sdl;
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#endif // BX_HAVE_SOUND_SDL
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