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apple/Throw: new helper library replacing osx_os_status_to_cstring()

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This commit is contained in:
Max Kellermann
2020-05-28 14:54:30 +02:00
parent bbceb5eb91
commit 346084da1e
4 changed files with 143 additions and 78 deletions
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104
src/output/plugins/OSXOutputPlugin.cxx
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@@ -19,8 +19,8 @@
#include "config.h"
#include "OSXOutputPlugin.hxx"
#include "apple/ErrorRef.hxx"
#include "apple/StringRef.hxx"
#include "apple/Throw.hxx"
#include "../OutputAPI.hxx"
#include "mixer/MixerList.hxx"
#include "util/RuntimeError.hxx"
@@ -109,17 +109,6 @@ private:
static constexpr Domain osx_output_domain("osx_output");
static void
osx_os_status_to_cstring(OSStatus status, char *str, size_t size)
{
Apple::ErrorRef cferr(nullptr, kCFErrorDomainOSStatus, status, nullptr);
const Apple::StringRef cfstr(cferr.CopyDescription());
if (!cfstr.GetCString(str, size)) {
/* conversion failed, return empty string */
*str = '\0';
}
}
static bool
osx_output_test_default_device()
{
@@ -209,11 +198,8 @@ OSXOutput::GetVolume()
&size,
&vol);
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("unable to get volume: %s", errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status);
return static_cast<int>(vol * 100.0);
}
@@ -235,12 +221,8 @@ OSXOutput::SetVolume(unsigned new_volume)
size,
&vol);
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError( "unable to set new volume %u: %s",
new_volume, errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status);
}
static void
@@ -304,12 +286,9 @@ osx_output_set_channel_map(OSXOutput *oo)
0,
&desc,
&size);
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("%s: unable to get number of output device channels: %s",
oo->device_name, errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status,
"unable to get number of output device channels");
UInt32 num_channels = desc.mChannelsPerFrame;
std::unique_ptr<SInt32[]> channel_map(new SInt32[num_channels]);
@@ -325,11 +304,8 @@ osx_output_set_channel_map(OSXOutput *oo)
0,
channel_map.get(),
size);
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("%s: unable to set channel map: %s", oo->device_name, errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status, "unable to set channel map");
}
@@ -640,12 +616,8 @@ osx_output_set_device(OSXOutput *oo)
status = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject,
&aopa_hw_devices, 0, nullptr, &size);
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("Unable to determine number of OS X audio devices: %s",
errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status);
/* what are the available audio device IDs? */
numdevices = size / sizeof(AudioDeviceID);
@@ -653,12 +625,8 @@ osx_output_set_device(OSXOutput *oo)
status = AudioObjectGetPropertyData(kAudioObjectSystemObject,
&aopa_hw_devices, 0, nullptr,
&size, deviceids.get());
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("Unable to determine OS X audio device IDs: %s",
errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status);
/* which audio device matches oo->device_name? */
static constexpr AudioObjectPropertyAddress aopa_name{
@@ -701,12 +669,9 @@ osx_output_set_device(OSXOutput *oo)
0,
&(deviceids[i]),
sizeof(AudioDeviceID));
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("Unable to set OS X audio output device: %s",
errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status,
"Unable to set OS X audio output device");
oo->dev_id = deviceids[i];
FormatDebug(osx_output_domain,
@@ -757,12 +722,9 @@ OSXOutput::Enable()
throw std::runtime_error("Error finding OS X component");
OSStatus status = AudioComponentInstanceNew(comp, &au);
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("Unable to open OS X component: %s",
errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status, "Unable to open OS X component");
#ifdef ENABLE_DSD
pcm_export.Construct();
#endif
@@ -883,21 +845,13 @@ OSXOutput::Open(AudioFormat &audio_format)
}
status = AudioUnitInitialize(au);
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("Unable to initialize OS X audio unit: %s",
errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status, "Unable to initialize OS X audio unit");
UInt32 buffer_frame_size = 1;
status = osx_output_set_buffer_size(au, asbd, &buffer_frame_size);
if (status != noErr) {
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("Unable to set frame size: %s",
errormsg);
}
if (status != noErr)
Apple::ThrowOSStatus(status, "Unable to set frame size");
size_t ring_buffer_size = std::max<size_t>(buffer_frame_size,
MPD_OSX_BUFFER_TIME_MS * audio_format.GetFrameSize() * audio_format.sample_rate / 1000);
@@ -912,13 +866,9 @@ OSXOutput::Open(AudioFormat &audio_format)
ring_buffer = new boost::lockfree::spsc_queue<uint8_t>(ring_buffer_size);
status = AudioOutputUnitStart(au);
if (status != 0) {
AudioUnitUninitialize(au);
char errormsg[1024];
osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
throw FormatRuntimeError("Unable to start audio output: %s",
errormsg);
}
if (status != 0)
Apple::ThrowOSStatus(status, "Unable to start audio output");
pause = false;
}