status_t SoftAACEncoder2::setAudioParams() {
// We call this whenever sample rate, number of channels or bitrate change
// in reponse to setParameter calls.
ALOGV("setAudioParams: %lu Hz, %lu channels, %lu bps",
mSampleRate, mNumChannels, mBitRate);
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_AOT,
getAOTFromProfile(mAACProfile))) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_SAMPLERATE, mSampleRate)) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_BITRATE, mBitRate)) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_CHANNELMODE,
getChannelMode(mNumChannels))) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_TRANSMUX, TT_MP4_RAW)) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
return OK;
}
status_t SoftAACEncoder2::setAudioParams() {
// We call this whenever sample rate, number of channels, bitrate or SBR mode change
// in reponse to setParameter calls.
ALOGV("setAudioParams: %u Hz, %u channels, %u bps, %i sbr mode, %i sbr ratio",
mSampleRate, mNumChannels, mBitRate, mSBRMode, mSBRRatio);
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_AOT,
getAOTFromProfile(mAACProfile))) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_SAMPLERATE, mSampleRate)) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_BITRATE, mBitRate)) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_CHANNELMODE,
getChannelMode(mNumChannels))) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_TRANSMUX, TT_MP4_RAW)) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
if (mSBRMode != -1 && mAACProfile == OMX_AUDIO_AACObjectELD) {
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_SBR_MODE, mSBRMode)) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
}
/* SBR ratio parameter configurations:
0: Default configuration wherein SBR ratio is configured depending on audio object type by
the FDK.
1: Downsampled SBR (default for ELD)
2: Dualrate SBR (default for HE-AAC)
*/
if (AACENC_OK != aacEncoder_SetParam(mAACEncoder, AACENC_SBR_RATIO, mSBRRatio)) {
ALOGE("Failed to set AAC encoder parameters");
return UNKNOWN_ERROR;
}
return OK;
}
