From 7d9cabebff8e1871dff847f6f7c807ab0f08d028 Mon Sep 17 00:00:00 2001 From: Chris Robinson Date: Thu, 1 Mar 2012 04:37:40 -0800 Subject: Use NULL to open the default PulseAudio device, and get the actual device name from the stream --- Alc/backends/pulseaudio.c | 113 ++++++++++++++++++++++++++++++++++++---------- 1 file changed, 88 insertions(+), 25 deletions(-) (limited to 'Alc') diff --git a/Alc/backends/pulseaudio.c b/Alc/backends/pulseaudio.c index e6be70fd..0b1d9521 100644 --- a/Alc/backends/pulseaudio.c +++ b/Alc/backends/pulseaudio.c @@ -511,6 +511,38 @@ static void source_device_callback(pa_context *context, const pa_source_info *in numCaptureDevNames++; } }//}}} + +static void sink_name_callback(pa_context *context, const pa_sink_info *info, int eol, void *pdata) +{ + ALCdevice *device = pdata; + pulse_data *data = device->ExtraData; + (void)context; + + if(eol) + { + pa_threaded_mainloop_signal(data->loop, 0); + return; + } + + free(device->szDeviceName); + device->szDeviceName = strdup(info->description); +} + +static void source_name_callback(pa_context *context, const pa_source_info *info, int eol, void *pdata) +{ + ALCdevice *device = pdata; + pulse_data *data = device->ExtraData; + (void)context; + + if(eol) + { + pa_threaded_mainloop_signal(data->loop, 0); + return; + } + + free(device->szDeviceName); + device->szDeviceName = strdup(info->description); +} //}}} @@ -794,7 +826,7 @@ static ALuint PulseProc(ALvoid *param) } -static ALCboolean pulse_open(ALCdevice *device, const ALCchar *device_name) //{{{ +static ALCboolean pulse_open(ALCdevice *device) //{{{ { pulse_data *data = pa_xmalloc(sizeof(pulse_data)); memset(data, 0, sizeof(*data)); @@ -821,8 +853,6 @@ static ALCboolean pulse_open(ALCdevice *device, const ALCchar *device_name) //{{ } pa_context_set_state_callback(data->context, context_state_callback2, device); - device->szDeviceName = strdup(device_name); - pa_threaded_mainloop_unlock(data->loop); return ALC_TRUE; @@ -869,20 +899,18 @@ static void pulse_close(ALCdevice *device) //{{{ static ALCenum pulse_open_playback(ALCdevice *device, const ALCchar *device_name) //{{{ { const char *pulse_name = NULL; + pa_stream_flags_t flags; + pa_sample_spec spec; pulse_data *data; + pa_operation *o; - if(!allDevNameMap) - probe_devices(AL_FALSE); - - if(!device_name && numDevNames > 0) - { - device_name = allDevNameMap[0].name; - pulse_name = allDevNameMap[0].device_name; - } - else + if(device_name) { ALuint i; + if(!allDevNameMap) + probe_devices(AL_FALSE); + for(i = 0;i < numDevNames;i++) { if(strcmp(device_name, allDevNameMap[i].name) == 0) @@ -895,11 +923,36 @@ static ALCenum pulse_open_playback(ALCdevice *device, const ALCchar *device_name return ALC_INVALID_VALUE; } - if(pulse_open(device, device_name) == ALC_FALSE) + if(pulse_open(device) == ALC_FALSE) return ALC_INVALID_VALUE; data = device->ExtraData; - data->device_name = strdup(pulse_name); + pa_threaded_mainloop_lock(data->loop); + + flags = PA_STREAM_FIX_FORMAT | PA_STREAM_FIX_RATE | + PA_STREAM_FIX_CHANNELS | PA_STREAM_DONT_MOVE; + + spec.format = PA_SAMPLE_S16NE; + spec.rate = 44100; + spec.channels = 2; + + data->stream = connect_playback_stream(pulse_name, data->loop, data->context, + flags, NULL, &spec, NULL); + if(!data->stream) + { + pa_threaded_mainloop_unlock(data->loop); + pulse_close(device); + return ALC_INVALID_VALUE; + } + + data->device_name = strdup(pa_stream_get_device_name(data->stream)); + o = pa_context_get_sink_info_by_name(data->context, data->device_name, + sink_name_callback, device); + while(pa_operation_get_state(o) == PA_OPERATION_RUNNING) + pa_threaded_mainloop_wait(data->loop); + pa_operation_unref(o); + + pa_threaded_mainloop_unlock(data->loop); return ALC_NO_ERROR; } //}}} @@ -917,6 +970,13 @@ static ALCboolean pulse_reset_playback(ALCdevice *device) //{{{ pa_threaded_mainloop_lock(data->loop); + if(data->stream) + { + pa_stream_disconnect(data->stream); + pa_stream_unref(data->stream); + data->stream = NULL; + } + if(!(device->Flags&DEVICE_CHANNELS_REQUEST)) { pa_operation *o; @@ -1098,19 +1158,16 @@ static ALCenum pulse_open_capture(ALCdevice *device, const ALCchar *device_name) pa_stream_flags_t flags = 0; pa_channel_map chanmap; pulse_data *data; + pa_operation *o; ALuint samples; - if(!allCaptureDevNameMap) - probe_devices(AL_TRUE); - - if(!device_name && numCaptureDevNames > 0) - { - device_name = allCaptureDevNameMap[0].name; - pulse_name = allCaptureDevNameMap[0].device_name; - } - else + if(device_name) { ALuint i; + + if(!allCaptureDevNameMap) + probe_devices(AL_TRUE); + for(i = 0;i < numCaptureDevNames;i++) { if(strcmp(device_name, allCaptureDevNameMap[i].name) == 0) @@ -1123,7 +1180,7 @@ static ALCenum pulse_open_capture(ALCdevice *device, const ALCchar *device_name) return ALC_INVALID_VALUE; } - if(pulse_open(device, device_name) == ALC_FALSE) + if(pulse_open(device) == ALC_FALSE) return ALC_INVALID_VALUE; data = device->ExtraData; @@ -1188,9 +1245,15 @@ static ALCenum pulse_open_capture(ALCdevice *device, const ALCchar *device_name) pa_threaded_mainloop_unlock(data->loop); goto fail; } - pa_stream_set_state_callback(data->stream, stream_state_callback2, device); + data->device_name = strdup(pa_stream_get_device_name(data->stream)); + o = pa_context_get_source_info_by_name(data->context, data->device_name, + source_name_callback, device); + while(pa_operation_get_state(o) == PA_OPERATION_RUNNING) + pa_threaded_mainloop_wait(data->loop); + pa_operation_unref(o); + pa_threaded_mainloop_unlock(data->loop); return ALC_NO_ERROR; -- cgit v1.2.3