StreamReader* AssetArchive::Asset::openWith(AAsset* peer)
{
if (_cachedSize == size_t(-1))
_cachedSize = AAsset_getLength(peer);
off_t start, length;
int fd = AAsset_openFileDescriptor(peer, &start, &length);
if (fd < 0)
{
LOG(0, ".. '%s': no fd, using AssetReader\n", getUrl().c_str());
// Can't access directly - maybe its compressed etc. Use AssetReader
return new AssetReader(this, peer);
}
else
{
// We can access directly - it's a memory mapped file
FILE* file = fdopen(fd, "r");
return new AssetFileReader(this, peer, file, start, length);
}
}
StreamReader* AssetArchive::Asset::openRange(size_t offset, size_t size, StreamSource* source)
{
if (source == NULL)
source = this;
AssetArchive* arc = static_cast<AssetArchive*>(getRealLocator());
AAsset* peer = arc->openAsset(_name);
if (peer == NULL)
NIT_THROW_FMT(EX_IO, "Can't open asset '%s'", _name.c_str());
if (_cachedSize == size_t(-1))
_cachedSize = AAsset_getLength(peer);
off_t start, length;
int fd = AAsset_openFileDescriptor(peer, &start, &length);
if (fd < 0)
NIT_THROW_FMT(EX_IO, "Can't open handle asset '%s': asset without file descriptor", _name.c_str());
FILE* file = fdopen(fd, "r");
return new AssetFileReader(source, peer, file, start + offset, size);
}
// create asset audio player
bool createAssetAudioPlayer2(void* mgr, const char* utf8, char* tag) {
SLresult result;
assert(NULL != mgr);
AAsset* asset = AAssetManager_open((AAssetManager*) mgr, utf8, AASSET_MODE_UNKNOWN);
// the asset might not be found
if (NULL == asset) {
return JNI_FALSE;
}
// open asset as file descriptor
off_t start, length;
int fd = AAsset_openFileDescriptor(asset, &start, &length);
assert(0 <= fd);
AAsset_close(asset);
// configure audio source
SLDataLocator_AndroidFD loc_fd = {SL_DATALOCATOR_ANDROIDFD, fd, start, length};
SLDataFormat_MIME format_mime = {SL_DATAFORMAT_MIME, NULL, SL_CONTAINERTYPE_UNSPECIFIED};
SLDataSource audioSrc = {&loc_fd, &format_mime};
// configure audio sink
SLDataLocator_OutputMix loc_outmix = {SL_DATALOCATOR_OUTPUTMIX, outputMixObject};
SLDataSink audioSnk = {&loc_outmix, NULL};
// create audio player
const SLInterfaceID ids[3] = {SL_IID_SEEK, SL_IID_MUTESOLO, SL_IID_VOLUME};
const SLboolean req[3] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
result = (*engineEngine)->CreateAudioPlayer(engineEngine, &fd2PlayerObject, &audioSrc, &audioSnk,
3, ids, req);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// realize the player
result = (*fdPlayerObject)->Realize(fd2PlayerObject, SL_BOOLEAN_FALSE);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// get the play interface
result = (*fdPlayerObject)->GetInterface(fd2PlayerObject, SL_IID_PLAY, &fd2PlayerPlay);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// get the seek interface
result = (*fdPlayerObject)->GetInterface(fd2PlayerObject, SL_IID_SEEK, &fd2PlayerSeek);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// get the mute/solo interface
result = (*fdPlayerObject)->GetInterface(fd2PlayerObject, SL_IID_MUTESOLO, &fd2PlayerMuteSolo);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// get the volume interface
result = (*fdPlayerObject)->GetInterface(fd2PlayerObject, SL_IID_VOLUME, &fd2PlayerVolume);
assert(SL_RESULT_SUCCESS == result);
(void)result;
// enable whole file looping
result = (*fdPlayerSeek)->SetLoop(fd2PlayerSeek, SL_BOOLEAN_FALSE, 0, SL_TIME_UNKNOWN);
assert(SL_RESULT_SUCCESS == result);
(void)result;
return JNI_TRUE;
}
bool Audio::createChannelFromAsset(const char* fname, int index) {
SLresult result;
Channel* channel = &this->channels[index];
if (channel->loaded == SL_BOOLEAN_TRUE) {
this->closeChannel(index);
}
AAssetManager* mgr = engine->app->activity->assetManager;
if (mgr == NULL) {
engine->setLastError(ERR_ASSET_LOAD);
LOGE("emo_audio: failed to load AAssetManager");
return false;
}
AAsset* asset = AAssetManager_open(mgr, fname, AASSET_MODE_UNKNOWN);
if (asset == NULL) {
engine->setLastError(ERR_ASSET_OPEN);
LOGE("emo_audio: failed to open an audio file");
LOGE(fname);
return false;
}
// open asset as file descriptor
off_t start, length;
int fd = AAsset_openFileDescriptor(asset, &start, &length);
if (fd < 0) {
engine->setLastError(ERR_ASSET_OPEN);
LOGE("emo_audio: failed to open an audio file");
LOGE(fname);
return false;
}
AAsset_close(asset);
// configure audio source
SLDataLocator_AndroidFD loc_fd = {SL_DATALOCATOR_ANDROIDFD, fd, start, length};
SLDataFormat_MIME format_mime = {SL_DATAFORMAT_MIME, NULL, SL_CONTAINERTYPE_UNSPECIFIED};
SLDataSource audioSrc = {&loc_fd, &format_mime};
// configure audio sink
SLDataLocator_OutputMix loc_outmix = {SL_DATALOCATOR_OUTPUTMIX, this->outputMixObject};
SLDataSink audioSnk = {&loc_outmix, NULL};
// create audio player
const SLInterfaceID player_ids[3] = {SL_IID_PLAY, SL_IID_VOLUME, SL_IID_SEEK};
const SLboolean player_req[3] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
result = (*engineEngine)->CreateAudioPlayer(this->engineEngine, &channel->playerObject, &audioSrc, &audioSnk,
3, player_ids, player_req);
if (SL_RESULT_SUCCESS != result) {
engine->setLastError(ERR_AUDIO_ASSET_INIT);
LOGE("emo_audio: failed to create an audio player");
return false;
}
// realize the player
result = (*channel->playerObject)->Realize(channel->playerObject, SL_BOOLEAN_FALSE);
if (SL_RESULT_SUCCESS != result) {
engine->setLastError(ERR_AUDIO_ASSET_INIT);
LOGE("emo_audio: failed to realize an audio player");
return false;
}
channel->loaded = SL_BOOLEAN_TRUE;
// get the play interface
result = (*channel->playerObject)->GetInterface(channel->playerObject, SL_IID_PLAY, &channel->playerPlay);
if (SL_RESULT_SUCCESS != result) {
engine->setLastError(ERR_AUDIO_ASSET_INIT);
LOGE("emo_audio: failed to get an audio player interface");
return false;
}
// get the seek interface
result = (*channel->playerObject)->GetInterface(channel->playerObject, SL_IID_SEEK, &channel->playerSeek);
if (SL_RESULT_SUCCESS != result) {
engine->setLastError(ERR_AUDIO_ASSET_INIT);
LOGE("emo_audio: failed to get an audio seek interface");
return false;
}
// the volume interface
result = (*channel->playerObject)->GetInterface(channel->playerObject, SL_IID_VOLUME, &channel->playerVolume);
if (SL_RESULT_SUCCESS != result) {
engine->setLastError(ERR_AUDIO_ASSET_INIT);
LOGE("emo_audio: failed to create an audio volume interface");
return false;
}
return true;
}
/* Play a buffer */
bool SoundPlayer::playAsset(const char *assetname)
{
SLresult result;
// destroy file descriptor audio player object, and invalidate all associated interfaces
if (fdPlayerObject != NULL) {
(*fdPlayerObject)->Destroy(fdPlayerObject);
fdPlayerObject = NULL;
fdPlayerPlay = NULL;
fdPlayerSeek = NULL;
fdPlayerMuteSolo = NULL;
fdPlayerVolume = NULL;
}
assert(NULL != mgr);
AAsset* asset = AAssetManager_open(mgr, assetname, AASSET_MODE_UNKNOWN);
// the asset might not be found
if (NULL == asset) {
return false;
}
// open asset as file descriptor
off_t start, length;
int fd = AAsset_openFileDescriptor(asset, &start, &length);
assert(0 <= fd);
AAsset_close(asset);
// configure audio source
SLDataLocator_AndroidFD loc_fd = {SL_DATALOCATOR_ANDROIDFD, fd, start, length};
SLDataFormat_MIME format_mime = {SL_DATAFORMAT_MIME, NULL, SL_CONTAINERTYPE_UNSPECIFIED};
SLDataSource audioSrc = {&loc_fd, &format_mime};
// configure audio sink
SLDataLocator_OutputMix loc_outmix = {SL_DATALOCATOR_OUTPUTMIX, outputMixObject};
SLDataSink audioSnk = {&loc_outmix, NULL};
// create audio player
const SLInterfaceID ids[3] = {SL_IID_SEEK, SL_IID_MUTESOLO, SL_IID_VOLUME};
const SLboolean req[3] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
result = (*engineEngine)->CreateAudioPlayer(engineEngine, &fdPlayerObject, &audioSrc, &audioSnk,
3, ids, req);
assert(SL_RESULT_SUCCESS == result);
// realize the player
result = (*fdPlayerObject)->Realize(fdPlayerObject, SL_BOOLEAN_FALSE);
assert(SL_RESULT_SUCCESS == result);
// get the play interface
result = (*fdPlayerObject)->GetInterface(fdPlayerObject, SL_IID_PLAY, &fdPlayerPlay);
assert(SL_RESULT_SUCCESS == result);
// get the seek interface
result = (*fdPlayerObject)->GetInterface(fdPlayerObject, SL_IID_SEEK, &fdPlayerSeek);
assert(SL_RESULT_SUCCESS == result);
// get the mute/solo interface
result = (*fdPlayerObject)->GetInterface(fdPlayerObject, SL_IID_MUTESOLO, &fdPlayerMuteSolo);
assert(SL_RESULT_SUCCESS == result);
// get the volume interface
result = (*fdPlayerObject)->GetInterface(fdPlayerObject, SL_IID_VOLUME, &fdPlayerVolume);
assert(SL_RESULT_SUCCESS == result);
// set the player's state
result = (*fdPlayerPlay)->SetPlayState(fdPlayerPlay, SL_PLAYSTATE_PLAYING);
assert(SL_RESULT_SUCCESS == result);
return (result == SL_RESULT_SUCCESS);
}
bool
sl_bgm_load(const char* file_name) {
if(!file_name) {
return false;
}
struct sl_bgm* bgm = &(ENV.bgm);
if(bgm->file_name && strcmp(file_name, bgm->file_name) == 0) {
SLresult result = (*bgm->fdPlayerPlay)->SetPlayState(bgm->fdPlayerPlay, SL_PLAYSTATE_STOPPED);
return result == SL_RESULT_SUCCESS;
}
_bgm_free(bgm);
bgm->file_name = strdup(file_name);
if(bgm->file_name == NULL) {
return false;
}
AAsset* asset = AAssetManager_open(ENV.asset_mgr, file_name, AASSET_MODE_UNKNOWN);
if(asset == NULL) {
goto ERROR;
}
// open asset as file descriptor
off_t start, length;
int fd = AAsset_openFileDescriptor(asset, &start, &length);
AAsset_close(asset);
if(fd < 0) {
goto ERROR;
}
// configure audio source
SLDataLocator_AndroidFD loc_fd = {SL_DATALOCATOR_ANDROIDFD, fd, start, length};
SLDataFormat_MIME format_mime = {SL_DATAFORMAT_MIME, NULL, SL_CONTAINERTYPE_UNSPECIFIED};
SLDataSource audioSrc = {&loc_fd, &format_mime};
// configure audio sink
SLDataLocator_OutputMix loc_outmix = {SL_DATALOCATOR_OUTPUTMIX, ENV.outputMixObject};
SLDataSink audioSnk = {&loc_outmix, NULL};
// create audio player
SLresult result;
const SLInterfaceID ids[3] = {SL_IID_SEEK, SL_IID_MUTESOLO, SL_IID_VOLUME};
const SLboolean req[3] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
result = (*ENV.engineEngine)->CreateAudioPlayer(ENV.engineEngine, &bgm->fdPlayerObject, &audioSrc, &audioSnk,
3, ids, req);
_check_result(result);
// realize the player
result = (*bgm->fdPlayerObject)->Realize(bgm->fdPlayerObject, SL_BOOLEAN_FALSE);
_check_result(result);
// get the play interface
result = (*bgm->fdPlayerObject)->GetInterface(bgm->fdPlayerObject, SL_IID_PLAY, &bgm->fdPlayerPlay);
_check_result(result);
// get the seek interface
result = (*bgm->fdPlayerObject)->GetInterface(bgm->fdPlayerObject, SL_IID_SEEK, &bgm->fdPlayerSeek);
_check_result(result);
// get the volume interface
result = (*bgm->fdPlayerObject)->GetInterface(bgm->fdPlayerObject, SL_IID_VOLUME, &bgm->fdPlayerVolume);
_check_result(result);
// enable whole file looping
result = (*bgm->fdPlayerSeek)->SetLoop(bgm->fdPlayerSeek, SL_BOOLEAN_FALSE, 0, SL_TIME_UNKNOWN);
_check_result(result);
// set bgm stop
result = (*bgm->fdPlayerPlay)->SetPlayState(bgm->fdPlayerPlay, SL_PLAYSTATE_STOPPED);
_check_result(result);
return true;
ERROR:
_bgm_free(bgm);
return false;
}
