AudioStreamOut.cpp revision 062e67a26e0553dd142be622821f493df541f0c6
1062e67a26e0553dd142be622821f493df541f0c6Phil Burk/* 2062e67a26e0553dd142be622821f493df541f0c6Phil Burk** 3062e67a26e0553dd142be622821f493df541f0c6Phil Burk** Copyright 2015, The Android Open Source Project 4062e67a26e0553dd142be622821f493df541f0c6Phil Burk** 5062e67a26e0553dd142be622821f493df541f0c6Phil Burk** Licensed under the Apache License, Version 2.0 (the "License"); 6062e67a26e0553dd142be622821f493df541f0c6Phil Burk** you may not use this file except in compliance with the License. 7062e67a26e0553dd142be622821f493df541f0c6Phil Burk** You may obtain a copy of the License at 8062e67a26e0553dd142be622821f493df541f0c6Phil Burk** 9062e67a26e0553dd142be622821f493df541f0c6Phil Burk** http://www.apache.org/licenses/LICENSE-2.0 10062e67a26e0553dd142be622821f493df541f0c6Phil Burk** 11062e67a26e0553dd142be622821f493df541f0c6Phil Burk** Unless required by applicable law or agreed to in writing, software 12062e67a26e0553dd142be622821f493df541f0c6Phil Burk** distributed under the License is distributed on an "AS IS" BASIS, 13062e67a26e0553dd142be622821f493df541f0c6Phil Burk** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14062e67a26e0553dd142be622821f493df541f0c6Phil Burk** See the License for the specific language governing permissions and 15062e67a26e0553dd142be622821f493df541f0c6Phil Burk** limitations under the License. 16062e67a26e0553dd142be622821f493df541f0c6Phil Burk*/ 17062e67a26e0553dd142be622821f493df541f0c6Phil Burk 18062e67a26e0553dd142be622821f493df541f0c6Phil Burk#define LOG_TAG "AudioFlinger" 19062e67a26e0553dd142be622821f493df541f0c6Phil Burk//#define LOG_NDEBUG 0 20062e67a26e0553dd142be622821f493df541f0c6Phil Burk 21062e67a26e0553dd142be622821f493df541f0c6Phil Burk#include <hardware/audio.h> 22062e67a26e0553dd142be622821f493df541f0c6Phil Burk#include <utils/Log.h> 23062e67a26e0553dd142be622821f493df541f0c6Phil Burk 24062e67a26e0553dd142be622821f493df541f0c6Phil Burk#include "AudioHwDevice.h" 25062e67a26e0553dd142be622821f493df541f0c6Phil Burk#include "AudioStreamOut.h" 26062e67a26e0553dd142be622821f493df541f0c6Phil Burk 27062e67a26e0553dd142be622821f493df541f0c6Phil Burknamespace android { 28062e67a26e0553dd142be622821f493df541f0c6Phil Burk 29062e67a26e0553dd142be622821f493df541f0c6Phil Burk// ---------------------------------------------------------------------------- 30062e67a26e0553dd142be622821f493df541f0c6Phil Burk 31062e67a26e0553dd142be622821f493df541f0c6Phil BurkAudioStreamOut::AudioStreamOut(AudioHwDevice *dev, audio_output_flags_t flags) 32062e67a26e0553dd142be622821f493df541f0c6Phil Burk : audioHwDev(dev) 33062e67a26e0553dd142be622821f493df541f0c6Phil Burk , stream(NULL) 34062e67a26e0553dd142be622821f493df541f0c6Phil Burk , flags(flags) 35062e67a26e0553dd142be622821f493df541f0c6Phil Burk{ 36062e67a26e0553dd142be622821f493df541f0c6Phil Burk} 37062e67a26e0553dd142be622821f493df541f0c6Phil Burk 38062e67a26e0553dd142be622821f493df541f0c6Phil Burkaudio_hw_device_t* AudioStreamOut::hwDev() const 39062e67a26e0553dd142be622821f493df541f0c6Phil Burk{ 40062e67a26e0553dd142be622821f493df541f0c6Phil Burk return audioHwDev->hwDevice(); 41062e67a26e0553dd142be622821f493df541f0c6Phil Burk} 42062e67a26e0553dd142be622821f493df541f0c6Phil Burk 43062e67a26e0553dd142be622821f493df541f0c6Phil Burkstatus_t AudioStreamOut::getRenderPosition(uint32_t *frames) 44062e67a26e0553dd142be622821f493df541f0c6Phil Burk{ 45062e67a26e0553dd142be622821f493df541f0c6Phil Burk if (stream == NULL) { 46062e67a26e0553dd142be622821f493df541f0c6Phil Burk return NO_INIT; 47062e67a26e0553dd142be622821f493df541f0c6Phil Burk } 48062e67a26e0553dd142be622821f493df541f0c6Phil Burk return stream->get_render_position(stream, frames); 49062e67a26e0553dd142be622821f493df541f0c6Phil Burk} 50062e67a26e0553dd142be622821f493df541f0c6Phil Burk 51062e67a26e0553dd142be622821f493df541f0c6Phil Burkstatus_t AudioStreamOut::getPresentationPosition(uint64_t *frames, struct timespec *timestamp) 52062e67a26e0553dd142be622821f493df541f0c6Phil Burk{ 53062e67a26e0553dd142be622821f493df541f0c6Phil Burk if (stream == NULL) { 54062e67a26e0553dd142be622821f493df541f0c6Phil Burk return NO_INIT; 55062e67a26e0553dd142be622821f493df541f0c6Phil Burk } 56062e67a26e0553dd142be622821f493df541f0c6Phil Burk return stream->get_presentation_position(stream, frames, timestamp); 57062e67a26e0553dd142be622821f493df541f0c6Phil Burk} 58062e67a26e0553dd142be622821f493df541f0c6Phil Burk 59062e67a26e0553dd142be622821f493df541f0c6Phil Burkstatus_t AudioStreamOut::open( 60062e67a26e0553dd142be622821f493df541f0c6Phil Burk audio_io_handle_t handle, 61062e67a26e0553dd142be622821f493df541f0c6Phil Burk audio_devices_t devices, 62062e67a26e0553dd142be622821f493df541f0c6Phil Burk struct audio_config *config, 63062e67a26e0553dd142be622821f493df541f0c6Phil Burk const char *address) 64062e67a26e0553dd142be622821f493df541f0c6Phil Burk{ 65062e67a26e0553dd142be622821f493df541f0c6Phil Burk audio_stream_out_t* outStream; 66062e67a26e0553dd142be622821f493df541f0c6Phil Burk int status = hwDev()->open_output_stream( 67062e67a26e0553dd142be622821f493df541f0c6Phil Burk hwDev(), 68062e67a26e0553dd142be622821f493df541f0c6Phil Burk handle, 69062e67a26e0553dd142be622821f493df541f0c6Phil Burk devices, 70062e67a26e0553dd142be622821f493df541f0c6Phil Burk flags, 71062e67a26e0553dd142be622821f493df541f0c6Phil Burk config, 72062e67a26e0553dd142be622821f493df541f0c6Phil Burk &outStream, 73062e67a26e0553dd142be622821f493df541f0c6Phil Burk address); 74062e67a26e0553dd142be622821f493df541f0c6Phil Burk ALOGV("AudioStreamOut::open(), HAL open_output_stream returned " 75062e67a26e0553dd142be622821f493df541f0c6Phil Burk " %p, sampleRate %d, Format %#x, " 76062e67a26e0553dd142be622821f493df541f0c6Phil Burk "channelMask %#x, status %d", 77062e67a26e0553dd142be622821f493df541f0c6Phil Burk outStream, 78062e67a26e0553dd142be622821f493df541f0c6Phil Burk config->sample_rate, 79062e67a26e0553dd142be622821f493df541f0c6Phil Burk config->format, 80062e67a26e0553dd142be622821f493df541f0c6Phil Burk config->channel_mask, 81062e67a26e0553dd142be622821f493df541f0c6Phil Burk status); 82062e67a26e0553dd142be622821f493df541f0c6Phil Burk 83062e67a26e0553dd142be622821f493df541f0c6Phil Burk if (status == NO_ERROR) { 84062e67a26e0553dd142be622821f493df541f0c6Phil Burk stream = outStream; 85062e67a26e0553dd142be622821f493df541f0c6Phil Burk } 86062e67a26e0553dd142be622821f493df541f0c6Phil Burk 87062e67a26e0553dd142be622821f493df541f0c6Phil Burk return status; 88062e67a26e0553dd142be622821f493df541f0c6Phil Burk} 89062e67a26e0553dd142be622821f493df541f0c6Phil Burk 90062e67a26e0553dd142be622821f493df541f0c6Phil Burksize_t AudioStreamOut::getFrameSize() 91062e67a26e0553dd142be622821f493df541f0c6Phil Burk{ 92062e67a26e0553dd142be622821f493df541f0c6Phil Burk ALOG_ASSERT(stream != NULL); 93062e67a26e0553dd142be622821f493df541f0c6Phil Burk return audio_stream_out_frame_size(stream); 94062e67a26e0553dd142be622821f493df541f0c6Phil Burk} 95062e67a26e0553dd142be622821f493df541f0c6Phil Burk 96062e67a26e0553dd142be622821f493df541f0c6Phil Burkint AudioStreamOut::flush() 97062e67a26e0553dd142be622821f493df541f0c6Phil Burk{ 98062e67a26e0553dd142be622821f493df541f0c6Phil Burk ALOG_ASSERT(stream != NULL); 99062e67a26e0553dd142be622821f493df541f0c6Phil Burk if (stream->flush != NULL) { 100062e67a26e0553dd142be622821f493df541f0c6Phil Burk return stream->flush(stream); 101062e67a26e0553dd142be622821f493df541f0c6Phil Burk } 102062e67a26e0553dd142be622821f493df541f0c6Phil Burk return NO_ERROR; 103062e67a26e0553dd142be622821f493df541f0c6Phil Burk} 104062e67a26e0553dd142be622821f493df541f0c6Phil Burk 105062e67a26e0553dd142be622821f493df541f0c6Phil Burkint AudioStreamOut::standby() 106062e67a26e0553dd142be622821f493df541f0c6Phil Burk{ 107062e67a26e0553dd142be622821f493df541f0c6Phil Burk ALOG_ASSERT(stream != NULL); 108062e67a26e0553dd142be622821f493df541f0c6Phil Burk return stream->common.standby(&stream->common); 109062e67a26e0553dd142be622821f493df541f0c6Phil Burk} 110062e67a26e0553dd142be622821f493df541f0c6Phil Burk 111062e67a26e0553dd142be622821f493df541f0c6Phil Burkssize_t AudioStreamOut::write(const void* buffer, size_t bytes) 112062e67a26e0553dd142be622821f493df541f0c6Phil Burk{ 113062e67a26e0553dd142be622821f493df541f0c6Phil Burk ALOG_ASSERT(stream != NULL); 114062e67a26e0553dd142be622821f493df541f0c6Phil Burk return stream->write(stream, buffer, bytes); 115062e67a26e0553dd142be622821f493df541f0c6Phil Burk} 116062e67a26e0553dd142be622821f493df541f0c6Phil Burk 117062e67a26e0553dd142be622821f493df541f0c6Phil Burk} // namespace android 118