From 7d6948cd98cf5ad8a3458a4ce7fdbcb79bcd1212 Mon Sep 17 00:00:00 2001 From: Akihiko Odaki Date: Fri, 12 Mar 2021 00:15:11 +0900 Subject: [PATCH] coreaudio: Extract device operations This change prepare to support dynamic device changes, which requires to perform device initialization/deinitialization multiple times. Signed-off-by: Akihiko Odaki Message-Id: <20210311151512.22096-2-akihiko.odaki@gmail.com> Signed-off-by: Gerd Hoffmann --- audio/coreaudio.c | 137 +++++++++++++++++++++++++++++++----------------------- 1 file changed, 80 insertions(+), 57 deletions(-) diff --git a/audio/coreaudio.c b/audio/coreaudio.c index c5f0b615d6..ab43cdcac1 100644 --- a/audio/coreaudio.c +++ b/audio/coreaudio.c @@ -36,6 +36,8 @@ typedef struct coreaudioVoiceOut { HWVoiceOut hw; pthread_mutex_t mutex; AudioDeviceID outputDeviceID; + int frameSizeSetting; + uint32_t bufferCount; UInt32 audioDevicePropertyBufferFrameSize; AudioStreamBasicDescription outputStreamBasicDescription; AudioDeviceIOProcID ioprocid; @@ -253,6 +255,9 @@ static void GCC_FMT_ATTR (3, 4) coreaudio_logerr2 ( coreaudio_logstatus (status); } +#define coreaudio_playback_logerr(status, ...) \ + coreaudio_logerr2(status, "playback", __VA_ARGS__) + static inline UInt32 isPlaying (AudioDeviceID outputDeviceID) { OSStatus status; @@ -368,126 +373,100 @@ static OSStatus audioDeviceIOProc( return 0; } -static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as, - void *drv_opaque) +static OSStatus init_out_device(coreaudioVoiceOut *core) { OSStatus status; - coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; - int err; - const char *typ = "playback"; AudioValueRange frameRange; - Audiodev *dev = drv_opaque; - AudiodevCoreaudioPerDirectionOptions *cpdo = dev->u.coreaudio.out; - int frames; - struct audsettings obt_as; - - /* create mutex */ - err = pthread_mutex_init(&core->mutex, NULL); - if (err) { - dolog("Could not create mutex\nReason: %s\n", strerror (err)); - return -1; - } - - obt_as = *as; - as = &obt_as; - as->fmt = AUDIO_FORMAT_F32; - audio_pcm_init_info (&hw->info, as); status = coreaudio_get_voice(&core->outputDeviceID); if (status != kAudioHardwareNoError) { - coreaudio_logerr2 (status, typ, - "Could not get default output Device\n"); - return -1; + coreaudio_playback_logerr (status, + "Could not get default output Device\n"); + return status; } if (core->outputDeviceID == kAudioDeviceUnknown) { - dolog ("Could not initialize %s - Unknown Audiodevice\n", typ); - return -1; + dolog ("Could not initialize playback - Unknown Audiodevice\n"); + return status; } /* get minimum and maximum buffer frame sizes */ status = coreaudio_get_framesizerange(core->outputDeviceID, &frameRange); if (status != kAudioHardwareNoError) { - coreaudio_logerr2 (status, typ, - "Could not get device buffer frame range\n"); - return -1; + coreaudio_playback_logerr (status, + "Could not get device buffer frame range\n"); + return status; } - frames = audio_buffer_frames( - qapi_AudiodevCoreaudioPerDirectionOptions_base(cpdo), as, 11610); - if (frameRange.mMinimum > frames) { + if (frameRange.mMinimum > core->frameSizeSetting) { core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMinimum; dolog ("warning: Upsizing Buffer Frames to %f\n", frameRange.mMinimum); - } else if (frameRange.mMaximum < frames) { + } else if (frameRange.mMaximum < core->frameSizeSetting) { core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMaximum; dolog ("warning: Downsizing Buffer Frames to %f\n", frameRange.mMaximum); } else { - core->audioDevicePropertyBufferFrameSize = frames; + core->audioDevicePropertyBufferFrameSize = core->frameSizeSetting; } /* set Buffer Frame Size */ status = coreaudio_set_framesize(core->outputDeviceID, &core->audioDevicePropertyBufferFrameSize); if (status != kAudioHardwareNoError) { - coreaudio_logerr2 (status, typ, - "Could not set device buffer frame size %" PRIu32 "\n", - (uint32_t)core->audioDevicePropertyBufferFrameSize); - return -1; + coreaudio_playback_logerr (status, + "Could not set device buffer frame size %" PRIu32 "\n", + (uint32_t)core->audioDevicePropertyBufferFrameSize); + return status; } /* get Buffer Frame Size */ status = coreaudio_get_framesize(core->outputDeviceID, &core->audioDevicePropertyBufferFrameSize); if (status != kAudioHardwareNoError) { - coreaudio_logerr2 (status, typ, - "Could not get device buffer frame size\n"); - return -1; + coreaudio_playback_logerr (status, + "Could not get device buffer frame size\n"); + return status; } - hw->samples = (cpdo->has_buffer_count ? cpdo->buffer_count : 4) * - core->audioDevicePropertyBufferFrameSize; + core->hw.samples = core->bufferCount * core->audioDevicePropertyBufferFrameSize; /* get StreamFormat */ status = coreaudio_get_streamformat(core->outputDeviceID, &core->outputStreamBasicDescription); if (status != kAudioHardwareNoError) { - coreaudio_logerr2 (status, typ, - "Could not get Device Stream properties\n"); + coreaudio_playback_logerr (status, + "Could not get Device Stream properties\n"); core->outputDeviceID = kAudioDeviceUnknown; - return -1; + return status; } /* set Samplerate */ - core->outputStreamBasicDescription.mSampleRate = (Float64) as->freq; - status = coreaudio_set_streamformat(core->outputDeviceID, &core->outputStreamBasicDescription); if (status != kAudioHardwareNoError) { - coreaudio_logerr2 (status, typ, "Could not set samplerate %d\n", - as->freq); + coreaudio_playback_logerr (status, + "Could not set samplerate %lf\n", + core->outputStreamBasicDescription.mSampleRate); core->outputDeviceID = kAudioDeviceUnknown; - return -1; + return status; } /* set Callback */ core->ioprocid = NULL; status = AudioDeviceCreateIOProcID(core->outputDeviceID, audioDeviceIOProc, - hw, + &core->hw, &core->ioprocid); if (status != kAudioHardwareNoError || core->ioprocid == NULL) { - coreaudio_logerr2 (status, typ, "Could not set IOProc\n"); + coreaudio_playback_logerr (status, "Could not set IOProc\n"); core->outputDeviceID = kAudioDeviceUnknown; - return -1; + return status; } return 0; } -static void coreaudio_fini_out (HWVoiceOut *hw) +static void fini_out_device(coreaudioVoiceOut *core) { OSStatus status; - int err; - coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; /* stop playback */ if (isPlaying(core->outputDeviceID)) { @@ -504,6 +483,50 @@ static void coreaudio_fini_out (HWVoiceOut *hw) coreaudio_logerr(status, "Could not remove IOProc\n"); } core->outputDeviceID = kAudioDeviceUnknown; +} + +static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as, + void *drv_opaque) +{ + OSStatus status; + coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; + int err; + Audiodev *dev = drv_opaque; + AudiodevCoreaudioPerDirectionOptions *cpdo = dev->u.coreaudio.out; + struct audsettings obt_as; + + /* create mutex */ + err = pthread_mutex_init(&core->mutex, NULL); + if (err) { + dolog("Could not create mutex\nReason: %s\n", strerror (err)); + return -1; + } + + obt_as = *as; + as = &obt_as; + as->fmt = AUDIO_FORMAT_F32; + audio_pcm_init_info (&hw->info, as); + + core->frameSizeSetting = audio_buffer_frames( + qapi_AudiodevCoreaudioPerDirectionOptions_base(cpdo), as, 11610); + + core->bufferCount = cpdo->has_buffer_count ? cpdo->buffer_count : 4; + core->outputStreamBasicDescription.mSampleRate = (Float64) as->freq; + + if (init_out_device(core)) { + return -1; + } + + return 0; +} + +static void coreaudio_fini_out (HWVoiceOut *hw) +{ + OSStatus status; + int err; + coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; + + fini_out_device(core); /* destroy mutex */ err = pthread_mutex_destroy(&core->mutex); -- 2.11.4.GIT