public VideoEncoder(AVCodecID codecID, VideoFormat format, VideoEncoderParameters encoderParams = null) : base(codecID)
{
encoderParams = encoderParams ?? VideoEncoderParameters.Default;
if (codec->Type != AVMediaType.Video)
{
throw new ArgumentException($"{codecID}不是视频格式", nameof(codecID));
}
codecContext = FF.avcodec_alloc_context3(codec);
if (codecContext == null)
{
throw new Exception("无法分配编码器上下文");
}
InFormat = format;
Init(encoderParams);
}
public AudioEncoder(AVCodecID codecID, AudioFormat inFormat, BitRate bitRate) : base(codecID)
{
try {
if (codec->Type != AVMediaType.Audio)
{
throw new ArgumentException($"{codecID}不是音频格式", nameof(codecID));
}
codecContext = FF.avcodec_alloc_context3(codec);
if (codecContext == null)
{
throw new Exception("无法分配编码器上下文");
}
InFormat = inFormat;
Init(codecID, bitRate);
} catch {
Dispose();
throw;
}
}
