private void GetAudioPrivateCodecData()
{
WaveFormatEx waveFormat;
waveFormat = new WaveFormatEx();
waveFormat.BitsPerSample = (short)this.SampleSize;
waveFormat.AvgBytesPerSec = (this.SampleSize / 8) * this.SampleRate * this.ChannelCount;
waveFormat.Channels = (short)this.ChannelCount;
waveFormat.FormatTag = WaveFormatEx.FormatMpegHEAAC; // 0xFF; // WaveFormatEx.FormatPCM; // Raw_AAC
waveFormat.SamplesPerSec = (int)this.SampleRate;
waveFormat.BlockAlign = 1; // (short)(waveFormat.Channels * (waveFormat.BitsPerSample / 8));
byte[] config = QBox.GetAudioSpecificConfig(this.audioMetaSample);
waveFormat.ext = new byte[12 + config.Length];
for (int i = 0; i < 12; i++)
{
waveFormat.ext[i] = 0;
}
//waveFormat.ext[0] = 3; // payload type
waveFormat.Size = (short)waveFormat.ext.Length;
for (int i = 12, j = 0; i < waveFormat.Size; i++, j++)
{
waveFormat.ext[i] = config[j];
}
waveFormat.ValidateWaveFormat();
Codec.PrivateCodecData = waveFormat.ToHexString();
}
private void GetAudioPrivateCodecDataFromWaveFormatEx()
{
WaveFormatEx waveFormat;
waveFormat = new WaveFormatEx();
waveFormat.BitsPerSample = (short)this.SampleSize;
waveFormat.AvgBytesPerSec = (this.SampleSize / 8) * this.SampleRate * this.ChannelCount;
waveFormat.Channels = (short)this.ChannelCount;
waveFormat.FormatTag = 0xFF; // WaveFormatEx.FormatPCM; // Raw_AAC
waveFormat.SamplesPerSec = (int)this.SampleRate;
waveFormat.BlockAlign = (short)(waveFormat.Channels * (waveFormat.BitsPerSample / 8));
waveFormat.ext = null; // new byte[12]; // QBox.GetAudioSpecificConfig(this.audioMetaSample);
waveFormat.Size = 0; // 12; // (short)waveFormat.ext.Length;
//waveFormat.ext[0] = 1;
//waveFormat.ext[4] = 0xFE;
waveFormat.ValidateWaveFormat();
Codec.PrivateCodecData = waveFormat.ToHexString();
}