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Imported Upstream version 5.2.0.175

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Former-commit-id: bb0468d0f257ff100aa895eb5fe583fb5dfbf900
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2017-06-07 13:16:24 +00:00
parent 4bdbaf4a88
commit 966bba02bb
8776 changed files with 346420 additions and 149650 deletions
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60
mcs/class/System/System.Media/AudioDevice.cs
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@@ -48,6 +48,9 @@ namespace Mono.Audio {
protected uint chunk_size;
static AudioDevice TryAlsa (string name) {
#if XAMMAC_4_5
return null;
#else
AudioDevice dev;
try {
dev = new AlsaDevice (name);
@@ -55,6 +58,7 @@ namespace Mono.Audio {
} catch {
return null;
}
#endif
}
public static AudioDevice CreateDevice (string name) {
@@ -87,90 +91,91 @@ namespace Mono.Audio {
}
}
#if !XAMMAC_4_5
class AlsaDevice: AudioDevice, IDisposable {
IntPtr handle;
IntPtr hw_param;
IntPtr sw_param;
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_open (ref IntPtr handle, string pcm_name, int stream, int mode);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_close (IntPtr handle);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_drain (IntPtr handle);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_writei (IntPtr handle, byte[] buf, int size);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_set_params (IntPtr handle, int format, int access, int channels, int rate, int soft_resample, int latency);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_state (IntPtr handle);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_prepare (IntPtr handle);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params (IntPtr handle, IntPtr param);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_malloc (ref IntPtr param);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern void snd_pcm_hw_params_free (IntPtr param);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_any (IntPtr handle, IntPtr param);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_set_access (IntPtr handle, IntPtr param, int access);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_set_format (IntPtr handle, IntPtr param, int format);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_set_channels (IntPtr handle, IntPtr param, uint channel);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_set_rate_near (IntPtr handle, IntPtr param, ref uint rate, ref int dir);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_set_period_time_near (IntPtr handle, IntPtr param, ref uint period, ref int dir);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_get_period_size (IntPtr param, ref uint period, ref int dir);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_set_buffer_size_near (IntPtr handle, IntPtr param, ref uint buff_size);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_get_buffer_time_max(IntPtr param, ref uint buffer_time, ref int dir);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_set_buffer_time_near(IntPtr handle, IntPtr param, ref uint BufferTime, ref int dir);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_hw_params_get_buffer_size(IntPtr param, ref uint BufferSize);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_sw_params (IntPtr handle, IntPtr param);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_sw_params_malloc (ref IntPtr param);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern void snd_pcm_sw_params_free (IntPtr param);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_sw_params_current(IntPtr handle, IntPtr param);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_sw_params_set_avail_min(IntPtr handle, IntPtr param, uint frames);
[DllImport ("libasound.so.2")]
[DllImport ("libasound")]
static extern int snd_pcm_sw_params_set_start_threshold(IntPtr handle, IntPtr param, uint StartThreshold);
public AlsaDevice (string name) {
@@ -319,6 +324,7 @@ namespace Mono.Audio {
snd_pcm_drain (handle);
}
}
#endif
}