private void DoConfigure(int codecType, bool encoder, MediaCodecTypes supportType)
{
Debug.Assert(Enum.IsDefined(typeof(SupportedCodecType), codecType));
int flags = (int)(encoder ? MediaCodecCodingType.Encoder : MediaCodecCodingType.Decoder);
flags |= (int)supportType;
int ret = Interop.MediaCodec.Configure(_handle, codecType, flags);
if (ret == (int)MediaCodecErrorCode.NotSupportedOnDevice)
{
throw new NotSupportedException("The format is not supported.");
}
MultimediaDebug.AssertNoError(ret);
}
private void ConfigureVideo(VideoMediaFormat format, bool encoder,
MediaCodecTypes supportType)
{
int codecType = (int)format.MimeType & CodecTypeMask;
if (!Enum.IsDefined(typeof(SupportedCodecType), codecType))
{
throw new NotSupportedException("The format is not supported." +
$"mime type : { Enum.GetName(typeof(MediaFormatVideoMimeType), format.MimeType) }");
}
DoConfigure(codecType, encoder, supportType);
if (encoder)
{
Native.SetVideoEncoderInfo(_handle, format.Size.Width, format.Size.Height, format.FrameRate, format.BitRate / 1000).
ThrowIfFailed("Failed to set video encoder information.");
}
else
{
Native.SetVideoDecoderInfo(_handle, format.Size.Width, format.Size.Height).
ThrowIfFailed("Failed to set video decoder information.");
}
}
private void ConfigureAudio(AudioMediaFormat format, bool encoder,
MediaCodecTypes supportType)
{
int codecType = (int)format.MimeType & CodecTypeMask;
if (!Enum.IsDefined(typeof(SupportedCodecType), codecType))
{
throw new NotSupportedException("The format is not supported " +
$"mime type : { Enum.GetName(typeof(MediaFormatAudioMimeType), format.MimeType) }");
}
DoConfigure(codecType, encoder, supportType);
if (encoder)
{
Native.SetAudioEncoderInfo(_handle, format.SampleRate, format.Channel, format.Bit, format.BitRate).
ThrowIfFailed("Failed to set audio encoder information.");
}
else
{
Native.SetAudioDecoderInfo(_handle, format.SampleRate, format.Channel, format.Bit).
ThrowIfFailed("Failed to set audio decoder information.");
}
}
