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/*
**
** Copyright 2015, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#define LOG_TAG "AudioFlinger"
//#define LOG_NDEBUG 0
#include <hardware/audio.h>
#include <utils/Log.h>
#include "AudioHwDevice.h"
#include "AudioStreamOut.h"
namespace android {
// ----------------------------------------------------------------------------
AudioStreamOut::AudioStreamOut(AudioHwDevice *dev, audio_output_flags_t flags)
: audioHwDev(dev)
, stream(NULL)
, flags(flags)
{
}
audio_hw_device_t* AudioStreamOut::hwDev() const
{
return audioHwDev->hwDevice();
}
status_t AudioStreamOut::getRenderPosition(uint32_t *frames)
{
if (stream == NULL) {
return NO_INIT;
}
return stream->get_render_position(stream, frames);
}
status_t AudioStreamOut::getPresentationPosition(uint64_t *frames, struct timespec *timestamp)
{
if (stream == NULL) {
return NO_INIT;
}
return stream->get_presentation_position(stream, frames, timestamp);
}
status_t AudioStreamOut::open(
audio_io_handle_t handle,
audio_devices_t devices,
struct audio_config *config,
const char *address)
{
audio_stream_out_t* outStream;
int status = hwDev()->open_output_stream(
hwDev(),
handle,
devices,
flags,
config,
&outStream,
address);
ALOGV("AudioStreamOut::open(), HAL open_output_stream returned "
" %p, sampleRate %d, Format %#x, "
"channelMask %#x, status %d",
outStream,
config->sample_rate,
config->format,
config->channel_mask,
status);
if (status == NO_ERROR) {
stream = outStream;
}
return status;
}
size_t AudioStreamOut::getFrameSize()
{
ALOG_ASSERT(stream != NULL);
return audio_stream_out_frame_size(stream);
}
int AudioStreamOut::flush()
{
ALOG_ASSERT(stream != NULL);
if (stream->flush != NULL) {
return stream->flush(stream);
}
return NO_ERROR;
}
int AudioStreamOut::standby()
{
ALOG_ASSERT(stream != NULL);
return stream->common.standby(&stream->common);
}
ssize_t AudioStreamOut::write(const void* buffer, size_t bytes)
{
ALOG_ASSERT(stream != NULL);
return stream->write(stream, buffer, bytes);
}
} // namespace android
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