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62 lines
2.2 KiB
62 lines
2.2 KiB
4 years ago
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using System;
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using UnityEngine;
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namespace UTJ.FrameCapturer
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{
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public class WebMEncoder : MovieEncoder
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{
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fcAPI.fcWebMContext m_ctx;
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fcAPI.fcWebMConfig m_config;
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public override void Release() { m_ctx.Release(); }
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public override bool IsValid() { return m_ctx; }
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public override Type type { get { return Type.WebM; } }
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public override void Initialize(object config, string outPath)
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{
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if (!fcAPI.fcWebMIsSupported())
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{
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Debug.LogError("WebM encoder is not available on this platform.");
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return;
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}
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m_config = (fcAPI.fcWebMConfig)config;
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if (m_config.audio && m_config.audioEncoder == fcAPI.fcWebMAudioEncoder.Opus)
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{
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var sampleRate = AudioSettings.outputSampleRate;
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if (sampleRate != 8000 && sampleRate != 12000 && sampleRate != 16000 && sampleRate != 24000 && sampleRate != 48000)
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{
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Debug.LogError("Current output sample rate is " + sampleRate + ". It must be 8000, 12000, 16000, 24000 or 48000 to use Opus audio encoder. Fallback to Vorbis.");
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m_config.audioEncoder = fcAPI.fcWebMAudioEncoder.Vorbis;
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}
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}
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m_config.audioSampleRate = AudioSettings.outputSampleRate;
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m_config.audioNumChannels = fcAPI.fcGetNumAudioChannels();
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m_ctx = fcAPI.fcWebMCreateContext(ref m_config);
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var path = outPath + ".webm";
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var stream = fcAPI.fcCreateFileStream(path);
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fcAPI.fcWebMAddOutputStream(m_ctx, stream);
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stream.Release();
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}
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public override void AddVideoFrame(byte[] frame, fcAPI.fcPixelFormat format, double timestamp)
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{
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if (m_ctx && m_config.video)
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{
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fcAPI.fcWebMAddVideoFramePixels(m_ctx, frame, format, timestamp);
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}
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}
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public override void AddAudioSamples(float[] samples)
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{
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if (m_ctx && m_config.audio)
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{
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fcAPI.fcWebMAddAudioSamples(m_ctx, samples, samples.Length);
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}
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}
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}
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}
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