| 36 |
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#include "debug.h" |
| 37 |
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| 38 |
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| 39 |
+ |
// Supported sample rates, sizes and channels |
| 40 |
+ |
vector<uint32> audio_sample_rates; |
| 41 |
+ |
vector<uint16> audio_sample_sizes; |
| 42 |
+ |
vector<uint16> audio_channel_counts; |
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+ |
|
| 44 |
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// Global variables |
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struct audio_status AudioStatus; // Current audio status (sample rate etc.) |
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bool audio_open = false; // Flag: audio is initialized and ready |
| 78 |
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break; |
| 79 |
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|
| 80 |
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case siSampleSizeAvailable: { |
| 81 |
< |
r.d[0] = audio_num_sample_sizes * 2; |
| 81 |
> |
r.d[0] = audio_sample_sizes.size() * 2; |
| 82 |
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Execute68kTrap(0xa122, &r); // NewHandle() |
| 83 |
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uint32 h = r.a[0]; |
| 84 |
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if (h == 0) |
| 85 |
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return memFullErr; |
| 86 |
< |
WriteMacInt16(infoPtr + sil_count, audio_num_sample_sizes); |
| 86 |
> |
WriteMacInt16(infoPtr + sil_count, audio_sample_sizes.size()); |
| 87 |
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WriteMacInt32(infoPtr + sil_infoHandle, h); |
| 88 |
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uint32 sp = ReadMacInt32(h); |
| 89 |
< |
for (i=0; i<audio_num_sample_sizes; i++) |
| 89 |
> |
for (i=0; i<audio_sample_sizes.size(); i++) |
| 90 |
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WriteMacInt16(sp + i*2, audio_sample_sizes[i]); |
| 91 |
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break; |
| 92 |
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} |
| 96 |
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break; |
| 97 |
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|
| 98 |
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case siChannelAvailable: { |
| 99 |
< |
r.d[0] = audio_num_channel_counts * 2; |
| 99 |
> |
r.d[0] = audio_channel_counts.size() * 2; |
| 100 |
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Execute68kTrap(0xa122, &r); // NewHandle() |
| 101 |
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uint32 h = r.a[0]; |
| 102 |
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if (h == 0) |
| 103 |
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return memFullErr; |
| 104 |
< |
WriteMacInt16(infoPtr + sil_count, audio_num_channel_counts); |
| 104 |
> |
WriteMacInt16(infoPtr + sil_count, audio_channel_counts.size()); |
| 105 |
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WriteMacInt32(infoPtr + sil_infoHandle, h); |
| 106 |
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uint32 sp = ReadMacInt32(h); |
| 107 |
< |
for (i=0; i<audio_num_channel_counts; i++) |
| 107 |
> |
for (i=0; i<audio_channel_counts.size(); i++) |
| 108 |
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WriteMacInt16(sp + i*2, audio_channel_counts[i]); |
| 109 |
|
break; |
| 110 |
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} |
| 114 |
|
break; |
| 115 |
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|
| 116 |
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case siSampleRateAvailable: { |
| 117 |
< |
r.d[0] = audio_num_sample_rates * 4; |
| 117 |
> |
r.d[0] = audio_sample_rates.size() * 4; |
| 118 |
|
Execute68kTrap(0xa122, &r); // NewHandle() |
| 119 |
|
uint32 h = r.a[0]; |
| 120 |
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if (h == 0) |
| 121 |
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return memFullErr; |
| 122 |
< |
WriteMacInt16(infoPtr + sil_count, audio_num_sample_rates); |
| 122 |
> |
WriteMacInt16(infoPtr + sil_count, audio_sample_rates.size()); |
| 123 |
|
WriteMacInt32(infoPtr + sil_infoHandle, h); |
| 124 |
|
uint32 lp = ReadMacInt32(h); |
| 125 |
< |
for (i=0; i<audio_num_sample_rates; i++) |
| 125 |
> |
for (i=0; i<audio_sample_rates.size(); i++) |
| 126 |
|
WriteMacInt32(lp + i*4, audio_sample_rates[i]); |
| 127 |
|
break; |
| 128 |
|
} |
| 194 |
|
D(bug(" set sample size %08lx\n", infoPtr)); |
| 195 |
|
if (AudioStatus.num_sources) |
| 196 |
|
return siDeviceBusyErr; |
| 197 |
< |
for (i=0; i<audio_num_sample_sizes; i++) |
| 197 |
> |
if (infoPtr == AudioStatus.sample_size) |
| 198 |
> |
return noErr; |
| 199 |
> |
for (i=0; i<audio_sample_sizes.size(); i++) |
| 200 |
|
if (audio_sample_sizes[i] == infoPtr) { |
| 201 |
< |
audio_set_sample_size(i); |
| 202 |
< |
return noErr; |
| 201 |
> |
if (audio_set_sample_size(i)) |
| 202 |
> |
return noErr; |
| 203 |
> |
else |
| 204 |
> |
return siInvalidSampleSize; |
| 205 |
|
} |
| 206 |
|
return siInvalidSampleSize; |
| 207 |
|
|
| 209 |
|
D(bug(" set sample rate %08lx\n", infoPtr)); |
| 210 |
|
if (AudioStatus.num_sources) |
| 211 |
|
return siDeviceBusyErr; |
| 212 |
< |
for (i=0; i<audio_num_sample_rates; i++) |
| 212 |
> |
if (infoPtr == AudioStatus.sample_rate) |
| 213 |
> |
return noErr; |
| 214 |
> |
for (i=0; i<audio_sample_rates.size(); i++) |
| 215 |
|
if (audio_sample_rates[i] == infoPtr) { |
| 216 |
< |
audio_set_sample_rate(i); |
| 217 |
< |
return noErr; |
| 216 |
> |
if (audio_set_sample_rate(i)) |
| 217 |
> |
return noErr; |
| 218 |
> |
else |
| 219 |
> |
return siInvalidSampleRate; |
| 220 |
|
} |
| 221 |
|
return siInvalidSampleRate; |
| 222 |
|
|
| 224 |
|
D(bug(" set number of channels %08lx\n", infoPtr)); |
| 225 |
|
if (AudioStatus.num_sources) |
| 226 |
|
return siDeviceBusyErr; |
| 227 |
< |
for (i=0; i<audio_num_channel_counts; i++) |
| 227 |
> |
if (infoPtr == AudioStatus.channels) |
| 228 |
> |
return noErr; |
| 229 |
> |
for (i=0; i<audio_channel_counts.size(); i++) |
| 230 |
|
if (audio_channel_counts[i] == infoPtr) { |
| 231 |
< |
audio_set_channels(i); |
| 232 |
< |
return noErr; |
| 231 |
> |
if (audio_set_channels(i)) |
| 232 |
> |
return noErr; |
| 233 |
> |
else |
| 234 |
> |
return badChannel; |
| 235 |
|
} |
| 236 |
|
return badChannel; |
| 237 |
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|
