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/* |
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* SID_Be.h - 6581 emulation, Be specific stuff |
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* |
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* Frodo (C) 1994-1997,2002-2004 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program 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 |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#include "C64.h" |
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|
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|
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/* |
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* Initialization, open subscriber |
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*/ |
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|
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#if B_HOST_IS_LENDIAN |
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const media_raw_audio_format audio_format = {SAMPLE_FREQ, 1, media_raw_audio_format::B_AUDIO_SHORT, B_MEDIA_LITTLE_ENDIAN, SAMPLE_FREQ / CALC_FREQ * 2}; |
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#else |
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const media_raw_audio_format audio_format = {SAMPLE_FREQ, 1, media_raw_audio_format::B_AUDIO_SHORT, B_MEDIA_BIG_ENDIAN, SAMPLE_FREQ / CALC_FREQ * 2}; |
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#endif |
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|
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void DigitalRenderer::init_sound(void) |
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{ |
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the_player = new BSoundPlayer(&audio_format, "Frodo", buffer_proc, NULL, this); |
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the_player->SetHasData(true); |
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the_player->Start(); |
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player_stopped = false; |
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ready = true; |
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} |
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|
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|
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/* |
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* Destructor, close subscriber |
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*/ |
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|
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DigitalRenderer::~DigitalRenderer() |
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{ |
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if (the_player) { |
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the_player->Stop(); |
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delete the_player; |
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} |
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} |
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|
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|
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/* |
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* Sample volume (for sampled voice) |
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*/ |
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|
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void DigitalRenderer::EmulateLine(void) |
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{ |
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sample_buf[sample_in_ptr] = volume; |
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sample_in_ptr = (sample_in_ptr + 1) % SAMPLE_BUF_SIZE; |
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} |
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|
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|
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/* |
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* Pause sound output |
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*/ |
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|
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void DigitalRenderer::Pause(void) |
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{ |
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if (!player_stopped) { |
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the_player->Stop(); |
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player_stopped = true; |
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} |
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} |
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|
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|
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/* |
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* Resume sound output |
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*/ |
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|
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void DigitalRenderer::Resume(void) |
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{ |
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if (player_stopped) { |
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the_player->Start(); |
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player_stopped = false; |
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} |
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} |
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|
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|
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/* |
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* Stream function |
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*/ |
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|
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void DigitalRenderer::buffer_proc(void *cookie, void *buffer, size_t size, const media_raw_audio_format &format) |
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{ |
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((DigitalRenderer *)cookie)->calc_buffer((int16 *)buffer, size); |
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((DigitalRenderer *)cookie)->the_c64->SoundSync(); |
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} |