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root/cebix/BasiliskII/src/AmigaOS/audio_amiga.cpp
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Comparing BasiliskII/src/AmigaOS/audio_amiga.cpp (file contents):
Revision 1.3 by cebix, 1999-10-20T15:13:55Z vs.
Revision 1.9 by cebix, 2001-07-05T20:30:50Z

# Line 1 | Line 1
1   /*
2   *  audio_amiga.cpp - Audio support, AmigaOS implementation using AHI
3   *
4 < *  Basilisk II (C) 1997-1999 Christian Bauer
4 > *  Basilisk II (C) 1997-2001 Christian Bauer
5   *
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
# Line 37 | Line 37
37   #include "debug.h"
38  
39  
40 – // Supported sample rates, sizes and channels
41 – int audio_num_sample_rates = 1;
42 – uint32 audio_sample_rates[] = {22050 << 16};
43 – int audio_num_sample_sizes = 1;
44 – uint16 audio_sample_sizes[] = {16};
45 – int audio_num_channel_counts = 1;
46 – uint16 audio_channel_counts[] = {2};
47 –
48 –
40   // Global variables
41   static ULONG ahi_id = AHI_DEFAULT_ID;                   // AHI audio ID
42   static struct AHIAudioCtrl *ahi_ctrl = NULL;
# Line 57 | Line 48 | static int audio_block_fetched = 0;                            /
48  
49  
50   // Prototypes
51 < static __saveds __regargs ULONG audio_callback(struct Hook *hook /*a0*/, struct AHISoundMessage *msg /*a1*/, struct AHIAudioCtrl *ahi_ctrl /*a2*/);
51 > static __saveds __attribute__((regparm(3))) ULONG audio_callback(struct Hook *hook /*a0*/, struct AHISoundMessage *msg /*a1*/, struct AHIAudioCtrl *ahi_ctrl /*a2*/);
52  
53  
54   /*
55   *  Initialization
56   */
57  
58 + // Set AudioStatus to reflect current audio stream format
59 + static void set_audio_status_format(void)
60 + {
61 +        AudioStatus.sample_rate = audio_sample_rates[0];
62 +        AudioStatus.sample_size = audio_sample_sizes[0];
63 +        AudioStatus.channels = audio_channel_counts[0];
64 + }
65 +
66   void AudioInit(void)
67   {
68          sample[0].ahisi_Address = sample[1].ahisi_Address = NULL;
69  
70          // Init audio status and feature flags
71 <        AudioStatus.sample_rate = audio_sample_rates[0];
72 <        AudioStatus.sample_size = audio_sample_sizes[0];
73 <        AudioStatus.channels = audio_channel_counts[0];
71 >        audio_sample_rates.push_back(22050 << 16);
72 >        audio_sample_sizes.push_back(16);
73 >        audio_channel_counts.push_back(2);
74 >        set_audio_status_format();
75          AudioStatus.mixer = 0;
76          AudioStatus.num_sources = 0;
77          audio_component_flags = cmpWantsRegisterMessage | kStereoOut | k16BitOut;
# Line 174 | Line 174 | void audio_exit_stream()
174   *  AHI sound callback, request next buffer
175   */
176  
177 < static __saveds __regargs ULONG audio_callback(struct Hook *hook /*a0*/, struct AHISoundMessage *msg /*a1*/, struct AHIAudioCtrl *ahi_ctrl /*a2*/)
177 > static __saveds __attribute__((regparm(3))) ULONG audio_callback(struct Hook *hook /*a0*/, struct AHISoundMessage *msg /*a1*/, struct AHIAudioCtrl *ahi_ctrl /*a2*/)
178   {
179          play_buf ^= 1;
180  
# Line 192 | Line 192 | static __saveds __regargs ULONG audio_ca
192  
193                          // Put data into AHI buffer (convert 8-bit data unsigned->signed)
194                          if (AudioStatus.sample_size == 16)
195 <                                memcpy(sample[play_buf].ahisi_Address, Mac2HostAddr(ReadMacInt32(apple_stream_info + scd_buffer)), work_size);
195 >                                Mac2Host_memcpy(sample[play_buf].ahisi_Address, ReadMacInt32(apple_stream_info + scd_buffer), work_size);
196                          else {
197                                  uint32 *p = (uint32 *)Mac2HostAddr(ReadMacInt32(apple_stream_info + scd_buffer));
198                                  uint32 *q = (uint32 *)sample[play_buf].ahisi_Address;
# Line 250 | Line 250 | void AudioInterrupt(void)
250   *  It is guaranteed that AudioStatus.num_sources == 0
251   */
252  
253 < void audio_set_sample_rate(int index)
253 > bool audio_set_sample_rate(int index)
254   {
255 +        return true;
256   }
257  
258 < void audio_set_sample_size(int index)
258 > bool audio_set_sample_size(int index)
259   {
260 +        return true;
261   }
262  
263 < void audio_set_channels(int index)
263 > bool audio_set_channels(int index)
264   {
265 +        return true;
266   }
267  
268  

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