| 40 |
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#include "debug.h" |
| 41 |
|
|
| 42 |
|
|
| 43 |
– |
// Supported sample rates, sizes and channels |
| 44 |
– |
int audio_num_sample_rates = 1; |
| 45 |
– |
uint32 audio_sample_rates[] = {44100 << 16}; |
| 46 |
– |
int audio_num_sample_sizes = 1; |
| 47 |
– |
uint16 audio_sample_sizes[] = {16}; |
| 48 |
– |
int audio_num_channel_counts = 1; |
| 49 |
– |
uint16 audio_channel_counts[] = {2}; |
| 50 |
– |
|
| 43 |
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// Global variables |
| 44 |
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static int fd = -1; // fd of /dev/audio |
| 45 |
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static sem_t audio_irq_done_sem; // Signal from interrupt to streaming thread: data block read |
| 56 |
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* Initialization |
| 57 |
|
*/ |
| 58 |
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|
| 59 |
+ |
// Set AudioStatus to reflect current audio stream format |
| 60 |
+ |
static void set_audio_status_format(void) |
| 61 |
+ |
{ |
| 62 |
+ |
AudioStatus.sample_rate = audio_sample_rates[0]; |
| 63 |
+ |
AudioStatus.sample_size = audio_sample_sizes[0]; |
| 64 |
+ |
AudioStatus.channels = audio_channel_counts[0]; |
| 65 |
+ |
} |
| 66 |
+ |
|
| 67 |
|
void AudioInit(void) |
| 68 |
|
{ |
| 69 |
|
char str[256]; |
| 70 |
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|
| 71 |
|
// Init audio status and feature flags |
| 72 |
< |
AudioStatus.sample_rate = audio_sample_rates[0]; |
| 73 |
< |
AudioStatus.sample_size = audio_sample_sizes[0]; |
| 74 |
< |
AudioStatus.channels = audio_channel_counts[0]; |
| 72 |
> |
audio_sample_rates.push_back(44100 << 16); |
| 73 |
> |
audio_sample_sizes.push_back(16); |
| 74 |
> |
audio_channel_counts.push_back(2); |
| 75 |
> |
set_audio_status_format(); |
| 76 |
|
AudioStatus.mixer = 0; |
| 77 |
|
AudioStatus.num_sources = 0; |
| 78 |
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audio_component_flags = cmpWantsRegisterMessage | kStereoOut | k16BitOut; |
