blob: a3d4503db7cc7a1b9c421ddbcebf0de4331fd944 [file] [log] [blame]
/*
* 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
#define LOG_TAG "bt_btif_avrcp_audio_track"
#include "btif_avrcp_audio_track.h"
#include <base/logging.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;
#if (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);
CHECK(track != NULL);
BtifAvrcpAudioTrack* trackHolder = new BtifAvrcpAudioTrack;
CHECK(trackHolder != NULL);
trackHolder->track = track;
if (trackHolder->track->initCheck() != 0) {
return nullptr;
}
#if (DUMP_PCM_DATA == TRUE)
outputPcmSampleFile = fopen(outputFilename, "ab");
#endif
trackHolder->track->setVolume(1, 1);
return (void*)trackHolder;
}
void BtifAvrcpAudioTrackStart(void* handle) {
if (handle == NULL) {
LOG_ERROR(LOG_TAG, "%s: handle is null!", __func__);
return;
}
BtifAvrcpAudioTrack* trackHolder = static_cast<BtifAvrcpAudioTrack*>(handle);
CHECK(trackHolder != NULL);
CHECK(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 (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);
CHECK(trackHolder != NULL);
CHECK(trackHolder->track != NULL);
int retval = -1;
#if (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;
}