Descriptor for VP8 encoder attributes.
using UnityEditor.Media; using UnityEngine; using Unity.Collections; using System.IO;
public class Recorder { static public void RecordMovie() { VP8EncoderAttributes vp8Attr = new VP8EncoderAttributes { keyframeDistance = 25 };
var videoAttr = new VideoTrackEncoderAttributes(vp8Attr) { frameRate = new MediaRational(50), width = 320, height = 200, targetBitRate = 3000000 };
var audioAttr = new AudioTrackAttributes { sampleRate = new MediaRational(48000), channelCount = 2, language = "fr" };
int sampleFramesPerVideoFrame = audioAttr.channelCount * audioAttr.sampleRate.numerator / videoAttr.frameRate.numerator;
var encodedFilePath = Path.Combine(Path.GetTempPath(), "my_movie.webm");
Texture2D tex = new Texture2D((int)videoAttr.width, (int)videoAttr.height, TextureFormat.RGBA32, false);
using (var encoder = new MediaEncoder(encodedFilePath, videoAttr, audioAttr)) using (var audioBuffer = new NativeArray<float>(sampleFramesPerVideoFrame, Allocator.Temp)) { for (int i = 0; i < 100; ++i) { // Fill 'tex' with the video content to be encoded into the file for this frame. // ... encoder.AddFrame(tex);
// Fill 'audioBuffer' with the audio content to be encoded into the file for this frame. // ... encoder.AddSamples(audioBuffer); } } } }
keyframeDistance | The maximum distance between I-frames. |