protected internal override void RecordFrame(RecordingSession session)
{
if (m_Inputs.Count != 1)
{
throw new Exception("Unsupported number of sources");
}
var input = (BaseRenderTextureInput)m_Inputs[0];
var frame = input.OutputRenderTexture;
if (!m_ctx)
{
var s = Settings.m_MP4EncoderSettings;
s.video = true;
s.audio = false;
s.videoWidth = frame.width;
s.videoHeight = frame.height;
s.videoTargetFramerate = (int)Math.Ceiling(Settings.FrameRate);
if (Settings.m_AutoSelectBR)
{
s.videoTargetBitrate = (int)(((frame.width * frame.height / 1000.0) / 245 + 1.16) * (s.videoTargetFramerate / 48.0 + 0.5) * 1000000);
}
var path = Settings.fileNameGenerator.BuildAbsolutePath(session);
m_ctx = fcAPI.fcMP4OSCreateContext(ref s, path);
}
fcAPI.fcLock(frame, TextureFormat.RGB24, (data, fmt) =>
{
fcAPI.fcMP4AddVideoFramePixels(m_ctx, data, fmt, session.recorderTime);
});
}
public override void Initialize(object config, string outPath)
{
if (!fcAPI.fcMP4OSIsSupported())
{
Debug.LogError("MP4 encoder is not available on this platform.");
return;
}
m_config = (fcAPI.fcMP4Config)config;
m_config.audioSampleRate = AudioSettings.outputSampleRate;
m_config.audioNumChannels = fcAPI.fcGetNumAudioChannels();
var path = outPath + ".mp4";
m_ctx = fcAPI.fcMP4OSCreateContext(ref m_config, path);
}