| /* |
| * Copyright (C) 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_NDEBUG 0 |
| #include "btif_avrcp_audio_track.h" |
| |
| #include <media/AudioTrack.h> |
| #include <utils/StrongPointer.h> |
| |
| #include "osi/include/log.h" |
| |
| using namespace android; |
| |
| typedef struct { |
| android::sp<android::AudioTrack> track; |
| } BtifAvrcpAudioTrack; |
| |
| //#define DUMP_PCM_DATA TRUE |
| #if (defined(DUMP_PCM_DATA) && (DUMP_PCM_DATA == TRUE)) |
| FILE *outputPcmSampleFile; |
| char outputFilename[50] = "/data/misc/bluedroid/output_sample.pcm"; |
| #endif |
| |
| void *BtifAvrcpAudioTrackCreate(int trackFreq, int channelType) |
| { |
| LOG_VERBOSE(LOG_TAG, "%s Track.cpp: btCreateTrack freq %d channel %d ", |
| __func__, trackFreq, channelType); |
| sp<android::AudioTrack> track = |
| new android::AudioTrack(AUDIO_STREAM_MUSIC, trackFreq, AUDIO_FORMAT_PCM_16_BIT, |
| channelType, (size_t) 0 /*frameCount*/, |
| (audio_output_flags_t)AUDIO_OUTPUT_FLAG_FAST, |
| NULL /*callback_t*/, NULL /*void* user*/, 0 /*notificationFrames*/, |
| AUDIO_SESSION_ALLOCATE, android::AudioTrack::TRANSFER_SYNC); |
| assert(track != NULL); |
| |
| BtifAvrcpAudioTrack *trackHolder = new BtifAvrcpAudioTrack; |
| assert(trackHolder != NULL); |
| trackHolder->track = track; |
| |
| if (trackHolder->track->initCheck() != 0) |
| { |
| return nullptr; |
| } |
| |
| #if (defined(DUMP_PCM_DATA) && (DUMP_PCM_DATA == TRUE)) |
| outputPcmSampleFile = fopen(outputFilename, "ab"); |
| #endif |
| trackHolder->track->setVolume(1, 1); |
| return (void *)trackHolder; |
| } |
| |
| void BtifAvrcpAudioTrackStart(void *handle) |
| { |
| assert(handle != NULL); |
| BtifAvrcpAudioTrack *trackHolder = static_cast<BtifAvrcpAudioTrack*>(handle); |
| assert(trackHolder != NULL); |
| assert(trackHolder->track != NULL); |
| LOG_VERBOSE(LOG_TAG, "%s Track.cpp: btStartTrack", __func__); |
| trackHolder->track->start(); |
| } |
| |
| void BtifAvrcpAudioTrackStop(void *handle) |
| { |
| if (handle == NULL) { |
| LOG_DEBUG(LOG_TAG, "%s handle is null.", __func__); |
| return; |
| } |
| BtifAvrcpAudioTrack *trackHolder = static_cast<BtifAvrcpAudioTrack*>(handle); |
| if (trackHolder != NULL && trackHolder->track != NULL) { |
| LOG_VERBOSE(LOG_TAG, "%s Track.cpp: btStartTrack", __func__); |
| trackHolder->track->stop(); |
| } |
| } |
| |
| void BtifAvrcpAudioTrackDelete(void *handle) |
| { |
| if (handle == NULL) { |
| LOG_DEBUG(LOG_TAG, "%s handle is null.", __func__); |
| return; |
| } |
| BtifAvrcpAudioTrack *trackHolder = static_cast<BtifAvrcpAudioTrack*>(handle); |
| if (trackHolder != NULL && trackHolder->track != NULL) { |
| LOG_VERBOSE(LOG_TAG, "%s Track.cpp: btStartTrack", __func__); |
| delete trackHolder; |
| } |
| |
| #if (defined(DUMP_PCM_DATA) && (DUMP_PCM_DATA == TRUE)) |
| if (outputPcmSampleFile) |
| { |
| fclose(outputPcmSampleFile); |
| } |
| outputPcmSampleFile = NULL; |
| #endif |
| } |
| |
| void BtifAvrcpAudioTrackPause(void *handle) |
| { |
| if (handle == NULL) { |
| LOG_DEBUG(LOG_TAG, "%s handle is null.", __func__); |
| return; |
| } |
| BtifAvrcpAudioTrack *trackHolder = static_cast<BtifAvrcpAudioTrack*>(handle); |
| if (trackHolder != NULL && trackHolder->track != NULL) { |
| LOG_VERBOSE(LOG_TAG, "%s Track.cpp: btStartTrack", __func__); |
| trackHolder->track->pause(); |
| trackHolder->track->flush(); |
| } |
| } |
| |
| void BtifAvrcpSetAudioTrackGain(void *handle, float gain) |
| { |
| if (handle == NULL) { |
| LOG_DEBUG(LOG_TAG, "%s handle is null.", __func__); |
| return; |
| } |
| BtifAvrcpAudioTrack *trackHolder = static_cast<BtifAvrcpAudioTrack*>(handle); |
| if (trackHolder != NULL && trackHolder->track != NULL) { |
| LOG_VERBOSE(LOG_TAG, "%s set gain %f", __func__, gain); |
| trackHolder->track->setVolume(gain); |
| } |
| } |
| |
| int BtifAvrcpAudioTrackWriteData(void *handle, void *audioBuffer, int bufferlen) |
| { |
| BtifAvrcpAudioTrack *trackHolder = static_cast<BtifAvrcpAudioTrack*>(handle); |
| assert(trackHolder != NULL); |
| assert(trackHolder->track != NULL); |
| int retval = -1; |
| #if (defined(DUMP_PCM_DATA) && (DUMP_PCM_DATA == TRUE)) |
| if (outputPcmSampleFile) |
| { |
| fwrite ((audioBuffer), 1, (size_t)bufferlen, outputPcmSampleFile); |
| } |
| #endif |
| retval = trackHolder->track->write(audioBuffer, (size_t)bufferlen); |
| LOG_VERBOSE(LOG_TAG, "%s Track.cpp: btWriteData len = %d ret = %d", |
| __func__, bufferlen, retval); |
| return retval; |
| } |