*
* Authors: Derk-Jan Hartman <hartman at videolan dot org>
* Felix Paul Kühne <fkuehne at videolan dot org>
+ * David Fuhrmann <david dot fuhrmann at googlemail dot com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
+#pragma mark includes
#ifdef HAVE_CONFIG_H
# import "config.h"
#import "TPCircularBuffer.h"
+#pragma mark -
+#pragma mark private declarations
+
#ifndef verify_noerr
# define verify_noerr(a) assert((a) == noErr)
#endif
#define AOUT_VAR_SPDIF_FLAG 0xf00000
-#define kBufferLength 2048 * 8 * 8 * 4
+#define AUDIO_BUFFER_SIZE_IN_SECONDS (AOUT_MAX_ADVANCE_TIME / CLOCK_FREQ)
+
#define AOUT_VOLUME_DEFAULT 256
#define AOUT_VOLUME_MAX 512
+#define VOLUME_TEXT N_("Audio volume")
+#define VOLUME_LONGTEXT VOLUME_TEXT
+
+#define DEVICE_TEXT N_("Last audio device")
+#define DEVICE_LONGTEXT DEVICE_TEXT
/*****************************************************************************
* aout_sys_t: private audio output method descriptor
bool b_got_first_sample; /* did the aout core provide something to render? */
int i_rate; /* media sample rate */
- mtime_t i_played_length; /* how much did we play already */
- mtime_t i_last_sample_time; /* last sample time played by the AudioUnit */
+ int i_bytes_per_sample;
struct audio_device_t *devices;
vlc_mutex_t lock;
+ vlc_cond_t cond;
};
struct audio_device_t
char *name;
};
-/*****************************************************************************
- * Local prototypes.
- *****************************************************************************/
+
+#pragma mark -
+#pragma mark local prototypes & module descriptor
+
static int Open (vlc_object_t *);
-static int OpenAnalog (audio_output_t *, audio_sample_format_t *);
-static int OpenSPDIF (audio_output_t *, audio_sample_format_t *);
static void Close (vlc_object_t *);
-
-static void Play (audio_output_t *, block_t *);
-static void Flush (audio_output_t *, bool);
-static void Pause (audio_output_t *, bool, mtime_t);
-static int TimeGet (audio_output_t *, mtime_t *);
+static int Start (audio_output_t *, audio_sample_format_t *);
+static int StartAnalog (audio_output_t *, audio_sample_format_t *);
+static int StartSPDIF (audio_output_t *, audio_sample_format_t *);
+static void Stop (audio_output_t *);
static int DeviceList (audio_output_t *p_aout, char ***namesp, char ***descsp);
static void RebuildDeviceList (audio_output_t *);
static int SwitchAudioDevice (audio_output_t *p_aout, const char *name);
+static int VolumeSet (audio_output_t *, float);
+static int MuteSet (audio_output_t *, bool);
-static int AudioDeviceHasOutput (AudioDeviceID);
-static int AudioDeviceSupportsDigital(audio_output_t *, AudioDeviceID);
-static int AudioStreamSupportsDigital(audio_output_t *, AudioStreamID);
-static int AudioStreamChangeFormat (audio_output_t *, AudioStreamID, AudioStreamBasicDescription);
-
-static OSStatus RenderCallbackAnalog (vlc_object_t *, AudioUnitRenderActionFlags *, const AudioTimeStamp *, UInt32 , UInt32, AudioBufferList *);
+static void Play (audio_output_t *, block_t *);
+static void Pause (audio_output_t *, bool, mtime_t);
+static void Flush (audio_output_t *, bool);
+static int TimeGet (audio_output_t *, mtime_t *);
+static OSStatus RenderCallbackAnalog (vlc_object_t *, AudioUnitRenderActionFlags *, const AudioTimeStamp *,
+ UInt32 , UInt32, AudioBufferList *);
static OSStatus RenderCallbackSPDIF (AudioDeviceID, const AudioTimeStamp *, const void *, const AudioTimeStamp *,
- AudioBufferList *, const AudioTimeStamp *, void *);
+ AudioBufferList *, const AudioTimeStamp *, void *);
+
static OSStatus HardwareListener (AudioObjectID, UInt32, const AudioObjectPropertyAddress *, void *);
static OSStatus StreamListener (AudioObjectID, UInt32, const AudioObjectPropertyAddress *, void *);
-static int VolumeSet (audio_output_t *, float);
-static int MuteSet (audio_output_t *, bool);
-
+static int AudioDeviceHasOutput (AudioDeviceID);
+static int AudioDeviceSupportsDigital(audio_output_t *, AudioDeviceID);
+static int AudioStreamSupportsDigital(audio_output_t *, AudioStreamID);
+static int AudioStreamChangeFormat (audio_output_t *, AudioStreamID, AudioStreamBasicDescription);
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-#define VOLUME_TEXT N_("Audio volume")
-#define VOLUME_LONGTEXT VOLUME_TEXT
vlc_module_begin ()
set_shortname("auhal")
add_integer("auhal-volume", AOUT_VOLUME_DEFAULT,
VOLUME_TEXT, VOLUME_LONGTEXT, true)
change_integer_range(0, AOUT_VOLUME_MAX)
+ add_string("auhal-audio-device", "", DEVICE_TEXT, DEVICE_LONGTEXT, true)
add_obsolete_integer("macosx-audio-device") /* since 2.1.0 */
vlc_module_end ()
-/*****************************************************************************
- * Open: open macosx audio output
- *****************************************************************************/
+#pragma mark -
+#pragma mark initialization
+
+static int Open(vlc_object_t *obj)
+{
+ audio_output_t *aout = (audio_output_t *)obj;
+ aout_sys_t *sys = malloc(sizeof (*sys));
+
+ if (unlikely(sys == NULL))
+ return VLC_ENOMEM;
+
+ vlc_mutex_init(&sys->lock);
+ vlc_cond_init(&sys->cond);
+
+ aout->sys = sys;
+ aout->start = Start;
+ aout->stop = Stop;
+ aout->volume_set = VolumeSet;
+ aout->mute_set = MuteSet;
+ aout->device_enum = DeviceList;
+ aout->sys->devices = NULL;
+ aout->device_select = SwitchAudioDevice;
+
+ RebuildDeviceList(aout);
+
+ /* remember the volume */
+ aout_VolumeReport(aout, var_InheritInteger(aout, "auhal-volume") / (float)AOUT_VOLUME_DEFAULT);
+ MuteSet(aout, var_InheritBool(aout, "mute"));
+
+ SwitchAudioDevice(aout, config_GetPsz(aout, "auhal-audio-device"));
+
+ return VLC_SUCCESS;
+}
+
+static void Close(vlc_object_t *obj)
+{
+ audio_output_t *aout = (audio_output_t *)obj;
+ aout_sys_t *sys = aout->sys;
+
+ config_PutPsz(aout, "auhal-audio-device", aout_DeviceGet(aout));
+
+ for (struct audio_device_t * device = sys->devices, *next; device != NULL; device = next) {
+ next = device->next;
+ free(device->name);
+ free(device);
+ }
+
+ vlc_mutex_destroy(&sys->lock);
+ vlc_cond_destroy(&sys->cond);
+
+ free(sys);
+}
+
static int Start(audio_output_t *p_aout, audio_sample_format_t *restrict fmt)
{
OSStatus err = noErr;
* property size */
int b_alive = false;
+ bool b_start_digital = false;
+
p_sys = p_aout->sys;
p_sys->b_digital = false;
p_sys->au_component = NULL;
p_sys->i_stream_index = -1;
p_sys->b_revert = false;
p_sys->b_changed_mixing = false;
+ p_sys->i_bytes_per_sample = 0;
aout_FormatPrint(p_aout, "VLC is looking for:", fmt);
- if (p_sys->b_selected_dev_is_digital)
- msg_Dbg(p_aout, "audio device supports digital output");
-
msg_Dbg(p_aout, "attempting to use device %i", p_sys->i_selected_dev);
/* Check if the desired device is alive and usable */
}
if (!b_alive) {
- msg_Warn(p_aout, "selected audio device is not alive, switching to default device");
+ msg_Warn(p_aout, "selected audio device is not alive, switching to default device with id %i", p_sys->i_default_dev);
p_sys->i_selected_dev = p_sys->i_default_dev;
+ p_sys->b_selected_dev_is_digital = false;
}
+ // recheck if device still supports digital
+ b_start_digital = p_sys->b_selected_dev_is_digital;
+ if(!AudioDeviceSupportsDigital(p_aout, p_sys->i_selected_dev))
+ b_start_digital = false;
+
+ if (b_start_digital)
+ msg_Dbg(p_aout, "Use audio device for digital output");
+
/* add a callback to see if the device dies later on */
err = AudioObjectAddPropertyListener(p_sys->i_selected_dev, &audioDeviceAliveAddress, HardwareListener, (void *)p_aout);
if (err != noErr) {
bool b_success = false;
/* Check for Digital mode or Analog output mode */
- if (AOUT_FMT_SPDIF (fmt) && p_sys->b_selected_dev_is_digital) {
- if (OpenSPDIF (p_aout, fmt)) {
+ if (AOUT_FMT_SPDIF (fmt) && b_start_digital) {
+ if (StartSPDIF (p_aout, fmt)) {
msg_Dbg(p_aout, "digital output successfully opened");
b_success = true;
}
} else {
- if (OpenAnalog(p_aout, fmt)) {
+ if (StartAnalog(p_aout, fmt)) {
msg_Dbg(p_aout, "analog output successfully opened");
b_success = true;
}
error:
/* If we reach this, this aout has failed */
- msg_Err(p_aout, "opening the auhal output failed");
+ msg_Err(p_aout, "opening auhal output failed");
return VLC_EGENERIC;
}
-/*****************************************************************************
- * Open: open and setup a HAL AudioUnit to do analog (multichannel) audio output
- *****************************************************************************/
-static int OpenAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
+/*
+ * StartAnalog: open and setup a HAL AudioUnit to do PCM audio output
+ */
+static int StartAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
{
struct aout_sys_t *p_sys = p_aout->sys;
OSStatus err = noErr;
p_sys->clock_diff += mdate();
/* setup circular buffer */
- TPCircularBufferInit(&p_sys->circular_buffer, kBufferLength);
+ TPCircularBufferInit(&p_sys->circular_buffer, AUDIO_BUFFER_SIZE_IN_SECONDS *
+ fmt->i_rate * fmt->i_bytes_per_frame);
p_sys->b_got_first_sample = false;
- p_sys->i_played_length = 0;
- p_sys->i_last_sample_time = 0;
/* Set volume for output unit */
float volume = var_InheritInteger(p_aout, "auhal-volume") / (float)AOUT_VOLUME_DEFAULT;
return true;
}
-/*****************************************************************************
- * Setup a encoded digital stream (SPDIF)
- *****************************************************************************/
-static int OpenSPDIF (audio_output_t * p_aout, audio_sample_format_t *fmt)
+/*
+ * StartSPDIF: Setup an encoded digital stream (SPDIF) output
+ */
+static int StartSPDIF (audio_output_t * p_aout, audio_sample_format_t *fmt)
{
struct aout_sys_t *p_sys = p_aout->sys;
OSStatus err = noErr;
/* Retrieve all the stream formats supported by each output stream */
err = AudioObjectGetPropertyDataSize(p_streams[i], &physicalFormatsAddress, 0, NULL, &i_param_size);
if (err != noErr) {
- msg_Err(p_aout, "OpenSPDIF: could not get number of streamformats: [%s] (%i)", (char *)&err, (int32_t)err);
+ msg_Err(p_aout, "could not get number of streamformats: [%s] (%i)", (char *)&err, (int32_t)err);
continue;
}
return false;
}
+ /* setup circular buffer */
+ TPCircularBufferInit(&p_sys->circular_buffer, 200 * AOUT_SPDIF_SIZE);
+
return true;
}
-
-/*****************************************************************************
- * Close: Close HAL AudioUnit
- *****************************************************************************/
static void Stop(audio_output_t *p_aout)
{
struct aout_sys_t *p_sys = p_aout->sys;
msg_Err(p_aout, "Could not release hogmode: [%4.4s]", (char *)&err);
}
- p_sys->i_played_length = 0;
- p_sys->i_last_sample_time = 0;
+ p_sys->i_bytes_per_sample = 0;
/* clean-up circular buffer */
TPCircularBufferCleanup(&p_sys->circular_buffer);
}
+#pragma mark -
+#pragma mark core interaction
+
static int DeviceList(audio_output_t *p_aout, char ***namesp, char ***descsp)
{
struct aout_sys_t *p_sys = p_aout->sys;
free(device);
}
}
+ p_sys->devices = NULL;
/* Get number of devices */
AudioObjectPropertyAddress audioDevicesAddress = { kAudioHardwarePropertyDevices, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
err = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &audioDevicesAddress, 0, NULL, &propertySize);
if (err != noErr) {
- msg_Err(p_aout, "Could not get number of devices: [%s]", (char *)&err);
+ msg_Err(p_aout, "Could not get number of devices: [%4.4s]", (char *)&err);
return;
}
/* Populate DeviceID array */
err = AudioObjectGetPropertyData(kAudioObjectSystemObject, &audioDevicesAddress, 0, NULL, &propertySize, deviceIDs);
if (err != noErr) {
- msg_Err(p_aout, "could not get the device IDs: [%s]", (char *)&err);
+ msg_Err(p_aout, "could not get the device IDs: [%4.4s]", (char *)&err);
return;
}
propertySize = sizeof(AudioObjectID);
err= AudioObjectGetPropertyData(kAudioObjectSystemObject, &defaultDeviceAddress, 0, NULL, &propertySize, &defaultDeviceID);
if (err != noErr) {
- msg_Err(p_aout, "could not get default audio device: [%s]", (char *)&err);
+ msg_Err(p_aout, "could not get default audio device: [%4.4s]", (char *)&err);
return;
}
p_sys->i_default_dev = defaultDeviceID;
return 0;
}
-/*****************************************************************************
- * AudioDeviceHasOutput: Checks if the Device actually provides any outputs at all
- *****************************************************************************/
-static int AudioDeviceHasOutput(AudioDeviceID i_dev_id)
+static int VolumeSet(audio_output_t * p_aout, float volume)
{
- UInt32 dataSize = 0;
- OSStatus status;
+ struct aout_sys_t *p_sys = p_aout->sys;
+ OSStatus ostatus;
- AudioObjectPropertyAddress streamsAddress = { kAudioDevicePropertyStreams, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- status = AudioObjectGetPropertyDataSize(i_dev_id, &streamsAddress, 0, NULL, &dataSize);
+ aout_VolumeReport(p_aout, volume);
- if (dataSize == 0 || status != noErr)
- return FALSE;
+ /* Set volume for output unit */
+ ostatus = AudioUnitSetParameter(p_sys->au_unit,
+ kHALOutputParam_Volume,
+ kAudioUnitScope_Global,
+ 0,
+ volume * volume * volume,
+ 0);
- return TRUE;
+ if (var_InheritBool(p_aout, "volume-save"))
+ config_PutInt(p_aout, "auhal-volume", lroundf(volume * AOUT_VOLUME_DEFAULT));
+
+ return ostatus;
}
-/*****************************************************************************
- * AudioDeviceSupportsDigital: Check i_dev_id for digital stream support.
- *****************************************************************************/
-static int AudioDeviceSupportsDigital(audio_output_t *p_aout, AudioDeviceID i_dev_id)
+static int MuteSet(audio_output_t * p_aout, bool mute)
{
- OSStatus err = noErr;
- UInt32 i_param_size = 0;
- AudioStreamID *p_streams = NULL;
- int i_streams = 0;
- bool b_return = false;
+ struct aout_sys_t *p_sys = p_aout->sys;
+ OSStatus ostatus;
- /* Retrieve all the output streams */
- AudioObjectPropertyAddress streamsAddress = { kAudioDevicePropertyStreams, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- err = AudioObjectGetPropertyDataSize(i_dev_id, &streamsAddress, 0, NULL, &i_param_size);
- if (err != noErr) {
- msg_Err(p_aout, "could not get number of streams: [%s] (%i)", (char *)&err, (int32_t)err);
- return false;
- }
+ aout_MuteReport(p_aout, mute);
- i_streams = i_param_size / sizeof(AudioStreamID);
- p_streams = (AudioStreamID *)malloc(i_param_size);
- if (p_streams == NULL)
- return VLC_ENOMEM;
+ float volume = .0;
- err = AudioObjectGetPropertyData(i_dev_id, &streamsAddress, 0, NULL, &i_param_size, p_streams);
- if (err != noErr) {
- msg_Err(p_aout, "could not get list of streams: [%s]", (char *)&err);
- return false;
- }
+ if (!mute)
+ volume = var_InheritInteger(p_aout, "auhal-volume") / (float)AOUT_VOLUME_DEFAULT;
- for (int i = 0; i < i_streams; i++) {
- if (AudioStreamSupportsDigital(p_aout, p_streams[i]))
- b_return = true;
- }
+ ostatus = AudioUnitSetParameter(p_sys->au_unit,
+ kHALOutputParam_Volume,
+ kAudioUnitScope_Global,
+ 0,
+ volume * volume * volume,
+ 0);
- free(p_streams);
- return b_return;
+ return ostatus;
}
-/*****************************************************************************
- * AudioStreamSupportsDigital: Check i_stream_id for digital stream support.
- *****************************************************************************/
-static int AudioStreamSupportsDigital(audio_output_t *p_aout, AudioStreamID i_stream_id)
+#pragma mark -
+#pragma mark actual playback
+
+static void Play (audio_output_t * p_aout, block_t * p_block)
{
- OSStatus err = noErr;
- UInt32 i_param_size = 0;
- AudioStreamRangedDescription *p_format_list = NULL;
- int i_formats = 0;
- bool b_return = false;
+ struct aout_sys_t *p_sys = p_aout->sys;
- /* Retrieve all the stream formats supported by each output stream */
- AudioObjectPropertyAddress physicalFormatsAddress = { kAudioStreamPropertyAvailablePhysicalFormats, kAudioObjectPropertyScopeGlobal, 0 };
- err = AudioObjectGetPropertyDataSize(i_stream_id, &physicalFormatsAddress, 0, NULL, &i_param_size);
- if (err != noErr) {
- msg_Err(p_aout, "could not get number of streamformats: [%s] (%i)", (char *)&err, (int32_t)err);
- return false;
- }
+ if (p_block->i_nb_samples > 0) {
+ if (!p_sys->b_got_first_sample) {
+ /* Start the AU */
+ verify_noerr(AudioOutputUnitStart(p_sys->au_unit));
+ p_sys->b_got_first_sample = true;
+ }
- i_formats = i_param_size / sizeof(AudioStreamRangedDescription);
- msg_Dbg(p_aout, "found %i stream formats", i_formats);
+ /* Do the channel reordering */
+ if (p_sys->chans_to_reorder && !p_sys->b_digital) {
+ aout_ChannelReorder(p_block->p_buffer,
+ p_block->i_buffer,
+ p_sys->chans_to_reorder,
+ p_sys->chan_table,
+ VLC_CODEC_FL32);
+ }
- p_format_list = (AudioStreamRangedDescription *)malloc(i_param_size);
- if (p_format_list == NULL)
- return false;
+ /* move data to buffer */
+ if (unlikely(!TPCircularBufferProduceBytes(&p_sys->circular_buffer, p_block->p_buffer, p_block->i_buffer)))
+ msg_Warn(p_aout, "dropped buffer");
- err = AudioObjectGetPropertyData(i_stream_id, &physicalFormatsAddress, 0, NULL, &i_param_size, p_format_list);
- if (err != noErr) {
- msg_Err(p_aout, "could not get the list of streamformats: [%4.4s]", (char *)&err);
- free(p_format_list);
- p_format_list = NULL;
- return false;
+ if (!p_sys->i_bytes_per_sample)
+ p_sys->i_bytes_per_sample = p_block->i_buffer / p_block->i_nb_samples;
}
- for (int i = 0; i < i_formats; i++) {
-#ifndef NDEBUG
- msg_Dbg(p_aout, STREAM_FORMAT_MSG("supported format: ", p_format_list[i].mFormat));
-#endif
+ block_Release(p_block);
+}
- if (p_format_list[i].mFormat.mFormatID == 'IAC3' ||
- p_format_list[i].mFormat.mFormatID == 'iac3' ||
- p_format_list[i].mFormat.mFormatID == kAudioFormat60958AC3 ||
- p_format_list[i].mFormat.mFormatID == kAudioFormatAC3)
- b_return = true;
- }
+static void Pause (audio_output_t *p_aout, bool pause, mtime_t date)
+{
+ struct aout_sys_t * p_sys = p_aout->sys;
+ VLC_UNUSED(date);
- free(p_format_list);
- return b_return;
+ if (p_aout->sys->b_digital) {
+ if (pause)
+ AudioDeviceStop(p_sys->i_selected_dev, p_sys->i_procID);
+ else
+ AudioDeviceStart(p_sys->i_selected_dev, p_sys->i_procID);
+ } else {
+ if (pause)
+ AudioOutputUnitStop(p_sys->au_unit);
+ else
+ AudioOutputUnitStart(p_sys->au_unit);
+ }
}
-/*****************************************************************************
- * AudioStreamChangeFormat: Change i_stream_id to change_format
- *****************************************************************************/
-static int AudioStreamChangeFormat(audio_output_t *p_aout, AudioStreamID i_stream_id, AudioStreamBasicDescription change_format)
+static void Flush(audio_output_t *p_aout, bool wait)
{
- OSStatus err = noErr;
- UInt32 i_param_size = 0;
+ struct aout_sys_t *p_sys = p_aout->sys;
- AudioObjectPropertyAddress physicalFormatAddress = { kAudioStreamPropertyPhysicalFormat, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
+ if (wait) {
+ int32_t availableBytes;
+ vlc_mutex_lock(&p_sys->lock);
+ TPCircularBufferTail(&p_sys->circular_buffer, &availableBytes);
+ while (availableBytes > 0) {
+ vlc_cond_wait(&p_sys->cond, &p_sys->lock);
+ TPCircularBufferTail(&p_sys->circular_buffer, &availableBytes);
+ }
+ vlc_mutex_unlock(&p_sys->lock);
- struct { vlc_mutex_t lock; vlc_cond_t cond; } w;
-
- msg_Dbg(p_aout, STREAM_FORMAT_MSG("setting stream format: ", change_format));
-
- /* Condition because SetProperty is asynchronious */
- vlc_cond_init(&w.cond);
- vlc_mutex_init(&w.lock);
- vlc_mutex_lock(&w.lock);
-
- /* Install the callback */
- err = AudioObjectAddPropertyListener(i_stream_id, &physicalFormatAddress, StreamListener, (void *)&w);
- if (err != noErr) {
- msg_Err(p_aout, "AudioObjectAddPropertyListener for kAudioStreamPropertyPhysicalFormat failed: [%4.4s]", (char *)&err);
- return false;
- }
-
- /* change the format */
- err = AudioObjectSetPropertyData(i_stream_id, &physicalFormatAddress, 0, NULL, sizeof(AudioStreamBasicDescription),
- &change_format);
- if (err != noErr) {
- msg_Err(p_aout, "could not set the stream format: [%4.4s]", (char *)&err);
- return false;
- }
-
- /* The AudioStreamSetProperty is not only asynchronious (requiring the locks)
- * it is also not atomic in its behaviour.
- * Therefore we check 5 times before we really give up.
- * FIXME: failing isn't actually implemented yet. */
- for (int i = 0; i < 5; i++) {
- AudioStreamBasicDescription actual_format;
- mtime_t timeout = mdate() + 500000;
-
- if (vlc_cond_timedwait(&w.cond, &w.lock, timeout))
- msg_Dbg(p_aout, "reached timeout");
-
- i_param_size = sizeof(AudioStreamBasicDescription);
- err = AudioObjectGetPropertyData(i_stream_id, &physicalFormatAddress, 0, NULL, &i_param_size, &actual_format);
-
- msg_Dbg(p_aout, STREAM_FORMAT_MSG("actual format in use: ", actual_format));
- if (actual_format.mSampleRate == change_format.mSampleRate &&
- actual_format.mFormatID == change_format.mFormatID &&
- actual_format.mFramesPerPacket == change_format.mFramesPerPacket) {
- /* The right format is now active */
- break;
- }
- /* We need to check again */
- }
-
- /* Removing the property listener */
- err = AudioObjectRemovePropertyListener(i_stream_id, &physicalFormatAddress, StreamListener, (void *)&w);
- if (err != noErr) {
- msg_Err(p_aout, "AudioStreamRemovePropertyListener failed: [%4.4s]", (char *)&err);
- return false;
- }
-
- /* Destroy the lock and condition */
- vlc_mutex_unlock(&w.lock);
- vlc_mutex_destroy(&w.lock);
- vlc_cond_destroy(&w.cond);
-
- return true;
-}
-
-static void Play (audio_output_t * p_aout, block_t * p_block)
-{
- struct aout_sys_t *p_sys = p_aout->sys;
-
- if (p_block->i_nb_samples > 0) {
- if (!p_sys->b_got_first_sample) {
- /* Start the AU */
- verify_noerr(AudioOutputUnitStart(p_sys->au_unit));
- p_sys->b_got_first_sample = true;
- }
-
- /* Do the channel reordering */
- if (p_sys->chans_to_reorder && !p_sys->b_digital) {
- aout_ChannelReorder(p_block->p_buffer,
- p_block->i_buffer,
- p_sys->chans_to_reorder,
- p_sys->chan_table,
- VLC_CODEC_FL32);
- }
-
- /* Render audio into buffer */
- AudioBufferList bufferList;
- bufferList.mNumberBuffers = 1;
- bufferList.mBuffers[0].mNumberChannels = p_sys->i_numberOfChannels;
- bufferList.mBuffers[0].mData = malloc(p_block->i_nb_samples * sizeof(Float32) * p_sys->i_numberOfChannels);
- bufferList.mBuffers[0].mDataByteSize = p_block->i_nb_samples * sizeof(Float32) * p_sys->i_numberOfChannels;
-
- memcpy(bufferList.mBuffers[0].mData, p_block->p_buffer, p_block->i_buffer);
-
- /* keep track of the played data */
- p_aout->sys->i_played_length += p_block->i_length;
-
- /* move data to buffer */
- TPCircularBufferProduceBytes(&p_sys->circular_buffer, bufferList.mBuffers[0].mData, bufferList.mBuffers[0].mDataByteSize);
- }
-
- block_Release(p_block);
-}
-
-static void Pause (audio_output_t *p_aout, bool pause, mtime_t date)
-{
- struct aout_sys_t * p_sys = p_aout->sys;
- VLC_UNUSED(date);
-
- if (p_aout->sys->b_digital) {
- if (pause)
- AudioDeviceStop(p_sys->i_selected_dev, p_sys->i_procID);
- else
- AudioDeviceStart(p_sys->i_selected_dev, p_sys->i_procID);
} else {
- if (pause)
- AudioOutputUnitStop(p_sys->au_unit);
- else
- AudioOutputUnitStart(p_sys->au_unit);
+ p_sys->b_got_first_sample = false;
+
+ /* flush circular buffer */
+ AudioOutputUnitStop(p_aout->sys->au_unit);
+ TPCircularBufferClear(&p_aout->sys->circular_buffer);
}
}
-static void Flush(audio_output_t *p_aout, bool wait)
+static int TimeGet(audio_output_t *p_aout, mtime_t *delay)
{
struct aout_sys_t * p_sys = p_aout->sys;
- VLC_UNUSED(wait);
-
- p_sys->b_got_first_sample = false;
- /* flush circular buffer */
- AudioOutputUnitStop(p_aout->sys->au_unit);
- TPCircularBufferClear(&p_aout->sys->circular_buffer);
+ if (!p_sys->i_bytes_per_sample)
+ return -1;
- p_sys->i_played_length = 0;
- p_sys->i_last_sample_time = 0;
-}
+ int32_t availableBytes;
+ TPCircularBufferTail(&p_sys->circular_buffer, &availableBytes);
-static int TimeGet(audio_output_t *p_aout, mtime_t *delay)
-{
- struct aout_sys_t * p_sys = p_aout->sys;
+ *delay = (availableBytes / p_sys->i_bytes_per_sample) * CLOCK_FREQ / p_sys->i_rate;
- vlc_mutex_lock(&p_sys->lock);
- mtime_t i_pos = p_sys->i_last_sample_time * CLOCK_FREQ / p_sys->i_rate;
- vlc_mutex_unlock(&p_sys->lock);
-
- if (i_pos > 0) {
- *delay = p_aout->sys->i_played_length - i_pos;
- return 0;
- }
- else
- return -1;
+ return 0;
}
/*****************************************************************************
VLC_UNUSED(ioActionFlags);
VLC_UNUSED(inTimeStamp);
VLC_UNUSED(inBusNumber);
+ VLC_UNUSED(inNumberFrames);
audio_output_t * p_aout = (audio_output_t *)p_obj;
struct aout_sys_t * p_sys = p_aout->sys;
int bytesToCopy = ioData->mBuffers[0].mDataByteSize;
Float32 *targetBuffer = (Float32*)ioData->mBuffers[0].mData;
+ vlc_mutex_lock(&p_sys->lock);
/* Pull audio from buffer */
int32_t availableBytes;
Float32 *buffer = TPCircularBufferTail(&p_sys->circular_buffer, &availableBytes);
} else {
memcpy(targetBuffer, buffer, __MIN(bytesToCopy, availableBytes));
TPCircularBufferConsume(&p_sys->circular_buffer, __MIN(bytesToCopy, availableBytes));
- VLC_UNUSED(inNumberFrames);
- vlc_mutex_lock(&p_sys->lock);
- p_sys->i_last_sample_time = inTimeStamp->mSampleTime;
- vlc_mutex_unlock(&p_sys->lock);
}
+ vlc_cond_signal(&p_sys->cond);
+ vlc_mutex_unlock(&p_sys->lock);
+
return noErr;
}
-/*****************************************************************************
+/*
* RenderCallbackSPDIF: callback for SPDIF audio output
- *****************************************************************************/
+ */
static OSStatus RenderCallbackSPDIF (AudioDeviceID inDevice,
const AudioTimeStamp * inNow,
const void * inInputData,
VLC_UNUSED(inDevice);
VLC_UNUSED(inInputData);
VLC_UNUSED(inInputTime);
+ VLC_UNUSED(inOutputTime);
audio_output_t * p_aout = (audio_output_t *)threadGlobals;
struct aout_sys_t * p_sys = p_aout->sys;
int bytesToCopy = outOutputData->mBuffers[p_sys->i_stream_index].mDataByteSize;
- Float32 *targetBuffer = (Float32*)outOutputData->mBuffers[p_sys->i_stream_index].mData;
+ char *targetBuffer = outOutputData->mBuffers[p_sys->i_stream_index].mData;
+ vlc_mutex_lock(&p_sys->lock);
/* Pull audio from buffer */
int32_t availableBytes;
- Float32 *buffer = TPCircularBufferTail(&p_sys->circular_buffer, &availableBytes);
+ char *buffer = TPCircularBufferTail(&p_sys->circular_buffer, &availableBytes);
/* check if we have enough data */
if (!availableBytes) {
} else {
memcpy(targetBuffer, buffer, __MIN(bytesToCopy, availableBytes));
TPCircularBufferConsume(&p_sys->circular_buffer, __MIN(bytesToCopy, availableBytes));
- vlc_mutex_lock(&p_sys->lock);
- p_sys->i_last_sample_time = inOutputTime->mSampleTime;
- vlc_mutex_unlock(&p_sys->lock);
}
+ vlc_cond_signal(&p_sys->cond);
+ vlc_mutex_unlock(&p_sys->lock);
+
return noErr;
}
-/*****************************************************************************
+#pragma mark -
+#pragma mark Stream / Hardware Listeners
+
+/*
* HardwareListener: Warns us of changes in the list of registered devices
- *****************************************************************************/
+ */
static OSStatus HardwareListener(AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress inAddresses[], void*inClientData)
{
OSStatus err = noErr;
#endif
RebuildDeviceList(p_aout);
+ aout_RestartRequest(p_aout, AOUT_RESTART_OUTPUT);
return err;
}
-/*****************************************************************************
- * StreamListener
- *****************************************************************************/
+/*
+ * StreamListener: check whether the device's physical format changes on-the-fly (unlikely)
+ */
static OSStatus StreamListener(AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress inAddresses[], void*inClientData)
{
OSStatus err = noErr;
return err;
}
-/*****************************************************************************
- * VolumeSet: Implements volume_set(). Update the CoreAudio AU volume immediately.
- *****************************************************************************/
-static int VolumeSet(audio_output_t * p_aout, float volume)
-{
- struct aout_sys_t *p_sys = p_aout->sys;
- OSStatus ostatus;
+#pragma mark -
+#pragma mark helpers
- aout_VolumeReport(p_aout, volume);
+/*
+ * AudioDeviceHasOutput: Checks if the device is actually an output device
+ */
+static int AudioDeviceHasOutput(AudioDeviceID i_dev_id)
+{
+ UInt32 dataSize = 0;
+ OSStatus status;
- /* Set volume for output unit */
- ostatus = AudioUnitSetParameter(p_sys->au_unit,
- kHALOutputParam_Volume,
- kAudioUnitScope_Global,
- 0,
- volume * volume * volume,
- 0);
+ AudioObjectPropertyAddress streamsAddress = { kAudioDevicePropertyStreams, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
+ status = AudioObjectGetPropertyDataSize(i_dev_id, &streamsAddress, 0, NULL, &dataSize);
- if (var_InheritBool(p_aout, "volume-save"))
- config_PutInt(p_aout, "auhal-volume", lroundf(volume * AOUT_VOLUME_DEFAULT));
+ if (dataSize == 0 || status != noErr)
+ return FALSE;
- return ostatus;
+ return TRUE;
}
-static int MuteSet(audio_output_t * p_aout, bool mute)
+/*
+ * AudioDeviceSupportsDigital: Checks if device supports raw bitstreams
+ */
+static int AudioDeviceSupportsDigital(audio_output_t *p_aout, AudioDeviceID i_dev_id)
{
- struct aout_sys_t *p_sys = p_aout->sys;
- OSStatus ostatus;
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0;
+ AudioStreamID *p_streams = NULL;
+ int i_streams = 0;
+ bool b_return = false;
- aout_MuteReport(p_aout, mute);
+ /* Retrieve all the output streams */
+ AudioObjectPropertyAddress streamsAddress = { kAudioDevicePropertyStreams, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
+ err = AudioObjectGetPropertyDataSize(i_dev_id, &streamsAddress, 0, NULL, &i_param_size);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get number of streams: [%s] (%i)", (char *)&err, (int32_t)err);
+ return false;
+ }
- float volume = .0;
+ i_streams = i_param_size / sizeof(AudioStreamID);
+ p_streams = (AudioStreamID *)malloc(i_param_size);
+ if (p_streams == NULL)
+ return VLC_ENOMEM;
- if (!mute)
- volume = var_InheritInteger(p_aout, "auhal-volume") / (float)AOUT_VOLUME_DEFAULT;
+ err = AudioObjectGetPropertyData(i_dev_id, &streamsAddress, 0, NULL, &i_param_size, p_streams);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get list of streams: [%s]", (char *)&err);
+ return false;
+ }
- ostatus = AudioUnitSetParameter(p_sys->au_unit,
- kHALOutputParam_Volume,
- kAudioUnitScope_Global,
- 0,
- volume * volume * volume,
- 0);
+ for (int i = 0; i < i_streams; i++) {
+ if (AudioStreamSupportsDigital(p_aout, p_streams[i]))
+ b_return = true;
+ }
- return ostatus;
+ free(p_streams);
+ return b_return;
}
-static int Open(vlc_object_t *obj)
+/*
+ * AudioStreamSupportsDigital: Checks if audio stream is compatible with raw bitstreams
+ */
+static int AudioStreamSupportsDigital(audio_output_t *p_aout, AudioStreamID i_stream_id)
{
- audio_output_t *aout = (audio_output_t *)obj;
- aout_sys_t *sys = malloc(sizeof (*sys));
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0;
+ AudioStreamRangedDescription *p_format_list = NULL;
+ int i_formats = 0;
+ bool b_return = false;
- if (unlikely(sys == NULL))
- return VLC_ENOMEM;
+ /* Retrieve all the stream formats supported by each output stream */
+ AudioObjectPropertyAddress physicalFormatsAddress = { kAudioStreamPropertyAvailablePhysicalFormats, kAudioObjectPropertyScopeGlobal, 0 };
+ err = AudioObjectGetPropertyDataSize(i_stream_id, &physicalFormatsAddress, 0, NULL, &i_param_size);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get number of streamformats: [%s] (%i)", (char *)&err, (int32_t)err);
+ return false;
+ }
- vlc_mutex_init(&sys->lock);
+ i_formats = i_param_size / sizeof(AudioStreamRangedDescription);
+ msg_Dbg(p_aout, "found %i stream formats", i_formats);
- aout->sys = sys;
- aout->start = Start;
- aout->stop = Stop;
- aout->volume_set = VolumeSet;
- aout->mute_set = MuteSet;
- aout->device_enum = DeviceList;
- aout->sys->devices = NULL;
- aout->device_select = SwitchAudioDevice;
+ p_format_list = (AudioStreamRangedDescription *)malloc(i_param_size);
+ if (p_format_list == NULL)
+ return false;
- RebuildDeviceList(aout);
+ err = AudioObjectGetPropertyData(i_stream_id, &physicalFormatsAddress, 0, NULL, &i_param_size, p_format_list);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get the list of streamformats: [%4.4s]", (char *)&err);
+ free(p_format_list);
+ p_format_list = NULL;
+ return false;
+ }
- /* remember the volume */
- aout_VolumeReport(aout, var_InheritInteger(aout, "auhal-volume") / (float)AOUT_VOLUME_DEFAULT);
- MuteSet(aout, var_InheritBool(aout, "mute"));
+ for (int i = 0; i < i_formats; i++) {
+#ifndef NDEBUG
+ msg_Dbg(p_aout, STREAM_FORMAT_MSG("supported format: ", p_format_list[i].mFormat));
+#endif
- return VLC_SUCCESS;
+ if (p_format_list[i].mFormat.mFormatID == 'IAC3' ||
+ p_format_list[i].mFormat.mFormatID == 'iac3' ||
+ p_format_list[i].mFormat.mFormatID == kAudioFormat60958AC3 ||
+ p_format_list[i].mFormat.mFormatID == kAudioFormatAC3)
+ b_return = true;
+ }
+
+ free(p_format_list);
+ return b_return;
}
-static void Close(vlc_object_t *obj)
+/*
+ * AudioStreamChangeFormat: switch stream format based on the provided description
+ */
+static int AudioStreamChangeFormat(audio_output_t *p_aout, AudioStreamID i_stream_id, AudioStreamBasicDescription change_format)
{
- audio_output_t *aout = (audio_output_t *)obj;
- aout_sys_t *sys = aout->sys;
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0;
- for (struct audio_device_t * device = sys->devices, *next; device != NULL; device = next) {
- next = device->next;
- free(device->name);
- free(device);
+ AudioObjectPropertyAddress physicalFormatAddress = { kAudioStreamPropertyPhysicalFormat, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
+
+ struct { vlc_mutex_t lock; vlc_cond_t cond; } w;
+
+ msg_Dbg(p_aout, STREAM_FORMAT_MSG("setting stream format: ", change_format));
+
+ /* Condition because SetProperty is asynchronious */
+ vlc_cond_init(&w.cond);
+ vlc_mutex_init(&w.lock);
+ vlc_mutex_lock(&w.lock);
+
+ /* Install the callback */
+ err = AudioObjectAddPropertyListener(i_stream_id, &physicalFormatAddress, StreamListener, (void *)&w);
+ if (err != noErr) {
+ msg_Err(p_aout, "AudioObjectAddPropertyListener for kAudioStreamPropertyPhysicalFormat failed: [%4.4s]", (char *)&err);
+ return false;
}
- vlc_mutex_destroy(&sys->lock);
+ /* change the format */
+ err = AudioObjectSetPropertyData(i_stream_id, &physicalFormatAddress, 0, NULL, sizeof(AudioStreamBasicDescription),
+ &change_format);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not set the stream format: [%4.4s]", (char *)&err);
+ return false;
+ }
- free(sys);
+ /* The AudioStreamSetProperty is not only asynchronious (requiring the locks)
+ * it is also not atomic in its behaviour.
+ * Therefore we check 5 times before we really give up.
+ * FIXME: failing isn't actually implemented yet. */
+ for (int i = 0; i < 5; i++) {
+ AudioStreamBasicDescription actual_format;
+ mtime_t timeout = mdate() + 500000;
+
+ if (vlc_cond_timedwait(&w.cond, &w.lock, timeout))
+ msg_Dbg(p_aout, "reached timeout");
+
+ i_param_size = sizeof(AudioStreamBasicDescription);
+ err = AudioObjectGetPropertyData(i_stream_id, &physicalFormatAddress, 0, NULL, &i_param_size, &actual_format);
+
+ msg_Dbg(p_aout, STREAM_FORMAT_MSG("actual format in use: ", actual_format));
+ if (actual_format.mSampleRate == change_format.mSampleRate &&
+ actual_format.mFormatID == change_format.mFormatID &&
+ actual_format.mFramesPerPacket == change_format.mFramesPerPacket) {
+ /* The right format is now active */
+ break;
+ }
+ /* We need to check again */
+ }
+
+ /* Removing the property listener */
+ err = AudioObjectRemovePropertyListener(i_stream_id, &physicalFormatAddress, StreamListener, (void *)&w);
+ if (err != noErr) {
+ msg_Err(p_aout, "AudioStreamRemovePropertyListener failed: [%4.4s]", (char *)&err);
+ return false;
+ }
+
+ /* Destroy the lock and condition */
+ vlc_mutex_unlock(&w.lock);
+ vlc_mutex_destroy(&w.lock);
+ vlc_cond_destroy(&w.cond);
+
+ return true;
}
projects / vlc / blobdiff