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/*
* Copyright (c) 2013 - 2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _AV_MEDIA_EXTENSIONS_H_
#define _AV_MEDIA_EXTENSIONS_H_
#include <common/AVExtensionsCommon.h>
#include <hardware/audio.h>
#include <media/AudioTrack.h>
#include <audio_utils/format.h>
namespace android {
class MediaRecorder;
class Parcel;
/*
* Common delegate to the classes in libstagefright
*/
struct AVMediaUtils {
virtual bool AudioTrackIsPcmOffloaded(const audio_format_t format) {
return audio_is_offload_pcm(format);
}
virtual status_t AudioTrackGetPosition(AudioTrack* track,
uint32_t* position) {
uint32_t tempPos = (track->mState == AudioTrack::STATE_STOPPED ||
track->mState == AudioTrack::STATE_FLUSHED) ? 0 :
track->updateAndGetPosition_l();
*position = (tempPos /
(track->channelCount() * audio_bytes_per_sample(track->format())));
return NO_ERROR;
}
virtual status_t AudioTrackGetTimestamp(AudioTrack* track,
AudioTimestamp* timestamp) {
if (!AudioTrackIsPcmOffloaded(track->format())) {
return NO_INIT;
}
uint32_t tempPos = (track->mState == AudioTrack::STATE_STOPPED ||
track->mState == AudioTrack::STATE_FLUSHED) ? 0 :
track->updateAndGetPosition_l();
timestamp->mPosition = (tempPos / (track->channelCount() *
audio_bytes_per_sample(track->format())));
clock_gettime(CLOCK_MONOTONIC, ×tamp->mTime);
return NO_ERROR;
}
virtual size_t AudioTrackGetOffloadFrameCount(size_t frameCount) {
return frameCount * 2;
}
virtual bool AudioTrackIsTrackOffloaded(audio_io_handle_t /*output*/) {
return false;
}
virtual sp<MediaRecorder> createMediaRecorder(const String16& opPackageName);
virtual void writeCustomData(
Parcel * /* reply */, void * /* buffer_data */) {}
virtual void readCustomData(
const Parcel * /* reply */, void ** /*buffer_data */ ) {}
virtual void closeFileDescriptor(void * /* buffer_ptr */) {}
// ----- NO TRESSPASSING BEYOND THIS LINE ------
DECLARE_LOADABLE_SINGLETON(AVMediaUtils);
};
} //namespace android
#endif //_AV_MEDIA_EXTENSIONS_H_
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