/*****************************************************************************
- * audioqueue.c : AudioQueue audio output plugin for vlc
- *****************************************************************************
* Copyright (C) 2000-2013 VLC authors and VideoLAN
* $Id$
*
#ifdef HAVE_CONFIG_H
# import "config.h"
#endif
-
#import <vlc_common.h>
#import <vlc_plugin.h>
#import <vlc_aout.h>
#import <AudioToolBox/AudioQueue.h>
-
#pragma mark -
#pragma mark private declarations
int i_rate;
float f_volume;
};
-
static int Open (vlc_object_t *);
static void Close (vlc_object_t *);
static void Play (audio_output_t *, block_t *);
static void Flush (audio_output_t *p_aout, bool wait);
static int TimeGet (audio_output_t *aout, mtime_t *);
static void UnusedAudioQueueCallback (void *, AudioQueueRef, AudioQueueBufferRef);
-
static int Start(audio_output_t *, audio_sample_format_t *);
static void Stop(audio_output_t *);
static int VolumeSet(audio_output_t *, float );
-
vlc_module_begin ()
set_shortname("AudioQueue")
set_description(N_("AudioQueue (iOS / Mac OS) audio output"))
add_shortcut("audioqueue")
set_callbacks(Open, Close)
vlc_module_end ()
-
#pragma mark -
#pragma mark initialization
NULL, // RunLoop
kCFRunLoopCommonModes, // RunLoop mode
0, // Flags ; must be zero (per documentation)...
- &(p_sys->audioQueueRef)); // Output
-
+ &(p_sys->audioQueueRef)); // Output
msg_Dbg(p_aout, "New AudioQueue instance created (status = %li)", error);
if (error != noErr)
return VLC_EGENERIC;
fmt->i_format = VLC_CODEC_FL32;
fmt->i_physical_channels = AOUT_CHANS_STEREO;
aout_FormatPrepare(fmt);
-
p_aout->sys->i_rate = fmt->i_rate;
// start queue
// start timeline for synchro
error = AudioQueueCreateTimeline(p_sys->audioQueueRef, &p_sys->timelineRef);
msg_Dbg(p_aout, "AudioQueue Timeline started (status = %li)", error);
-
if (error != noErr)
return VLC_EGENERIC;
static void Stop(audio_output_t *p_aout)
{
p_aout->sys->i_played_length = 0;
-
AudioQueueDisposeTimeline(p_aout->sys->audioQueueRef, p_aout->sys->timelineRef);
AudioQueueStop(p_aout->sys->audioQueueRef, true);
AudioQueueDispose(p_aout->sys->audioQueueRef, true);
-
msg_Dbg(p_aout, "audioqueue stopped and disposed");
}
OSStatus status;
status = AudioQueueAllocateBuffer(p_aout->sys->audioQueueRef, p_block->i_buffer, &inBuffer);
- if (status != noErr) {
- msg_Err(p_aout, "buffer alloction failed (%li)", status);
- return;
- }
-
- memcpy(inBuffer->mAudioData, p_block->p_buffer, p_block->i_buffer);
- inBuffer->mAudioDataByteSize = p_block->i_buffer;
-
- status = AudioQueueEnqueueBuffer(p_aout->sys->audioQueueRef, inBuffer, 0, NULL);
- if (status == noErr)
- p_aout->sys->i_played_length += p_block->i_length;
- else
- msg_Err(p_aout, "enqueuing buffer failed (%li)", status);
+ if (status == noErr) {
+ memcpy(inBuffer->mAudioData, p_block->p_buffer, p_block->i_buffer);
+ inBuffer->mAudioDataByteSize = p_block->i_buffer;
+
+ status = AudioQueueEnqueueBuffer(p_aout->sys->audioQueueRef, inBuffer, 0, NULL);
+ if (status == noErr)
+ p_aout->sys->i_played_length += p_block->i_length;
+ else
+ msg_Err(p_aout, "enqueuing buffer failed (%li)", status);
+ } else
+ msg_Err(p_aout, "buffer alloction failed (%li)", status);
block_Release(p_block);
}