Frodo4/Src/SID_Be.h

/*
 *  SID_Be.h - 6581 emulation, Be specific stuff
 *
 *  Frodo (C) 1994-1997,2002-2005 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "C64.h"


/*
 *  Initialization, open subscriber
 */

#if B_HOST_IS_LENDIAN
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};
#else
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};
#endif

void DigitalRenderer::init_sound(void)
{
        the_player = new BSoundPlayer(&audio_format, "Frodo", buffer_proc, NULL, this);
        the_player->SetHasData(true);
        the_player->Start();
        player_stopped = false;
        ready = true;
}


/*
 *  Destructor, close subscriber
 */

DigitalRenderer::~DigitalRenderer()
{
        if (the_player) {
                the_player->Stop();
                delete the_player;
        }
}


/*
 *  Sample volume (for sampled voice)
 */

void DigitalRenderer::EmulateLine(void)
{
        sample_buf[sample_in_ptr] = volume;
        sample_in_ptr = (sample_in_ptr + 1) % SAMPLE_BUF_SIZE;
}


/*
 *  Pause sound output
 */

void DigitalRenderer::Pause(void)
{
        if (!player_stopped) {
                the_player->Stop();
                player_stopped = true;
        }
}


/*
 *  Resume sound output
 */

void DigitalRenderer::Resume(void)
{
        if (player_stopped) {
                the_player->Start();
                player_stopped = false;
        }
}


/*
 *  Stream function 
 */

void DigitalRenderer::buffer_proc(void *cookie, void *buffer, size_t size, const media_raw_audio_format &format)
{
        ((DigitalRenderer *)cookie)->calc_buffer((int16 *)buffer, size);
        ((DigitalRenderer *)cookie)->the_c64->SoundSync();
}
Revision:	1.6
Committed:	2005-06-27T19:55:48Z (19 years, 4 months ago) by cebix
Content type:	text/plain
Branch:	MAIN
CVS Tags:	VERSION_4_2, HEAD
Changes since 1.5:	+1 -1 lines
Log Message:	updated copyright dates
#	User	Rev	Content
1	cebix	1.1	/*
2			* SID_Be.h - 6581 emulation, Be specific stuff
3			*
4	cebix	1.6	* Frodo (C) 1994-1997,2002-2005 Christian Bauer
5	cebix	1.1	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19			*/
20
21			#include "C64.h"
22
23
24			/*
25			* Initialization, open subscriber
26			*/
27
28	cebix	1.4	#if B_HOST_IS_LENDIAN
29			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};
30			#else
31			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};
32			#endif
33
34	cebix	1.1	void DigitalRenderer::init_sound(void)
35			{
36	cebix	1.4	the_player = new BSoundPlayer(&audio_format, "Frodo", buffer_proc, NULL, this);
37			the_player->SetHasData(true);
38			the_player->Start();
39			player_stopped = false;
40			ready = true;
41	cebix	1.1	}
42
43
44			/*
45			* Destructor, close subscriber
46			*/
47
48			DigitalRenderer::~DigitalRenderer()
49			{
50	cebix	1.4	if (the_player) {
51			the_player->Stop();
52			delete the_player;
53	cebix	1.1	}
54			}
55
56
57			/*
58			* Sample volume (for sampled voice)
59			*/
60
61			void DigitalRenderer::EmulateLine(void)
62			{
63			sample_buf[sample_in_ptr] = volume;
64			sample_in_ptr = (sample_in_ptr + 1) % SAMPLE_BUF_SIZE;
65			}
66
67
68			/*
69			* Pause sound output
70			*/
71
72			void DigitalRenderer::Pause(void)
73			{
74	cebix	1.4	if (!player_stopped) {
75			the_player->Stop();
76			player_stopped = true;
77	cebix	1.1	}
78			}
79
80
81			/*
82			* Resume sound output
83			*/
84
85			void DigitalRenderer::Resume(void)
86			{
87	cebix	1.4	if (player_stopped) {
88			the_player->Start();
89			player_stopped = false;
90	cebix	1.1	}
91			}
92
93
94			/*
95			* Stream function
96			*/
97
98	cebix	1.4	void DigitalRenderer::buffer_proc(void cookie, void buffer, size_t size, const media_raw_audio_format &format)
99	cebix	1.1	{
100	cebix	1.4	((DigitalRenderer )cookie)->calc_buffer((int16 )buffer, size);
101			((DigitalRenderer *)cookie)->the_c64->SoundSync();
102	cebix	1.1	}