| /* |
| ** |
| ** 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 |