public override bool Encode(Frame frame, Packet outPacket)
{
if (frame != null)
{
if (!(frame is VideoFrame))
{
throw new ArgumentException($"{nameof(frame)}必须是{nameof(VideoFrame)}类型", nameof(frame));
}
if (!(frame as VideoFrame).format.Equals(InFormat))
{
throw new ArgumentException("输入帧的格式和编码器输入格式不同");
}
}
if (resampler != null)
{
if (frame != null)
{
resampler.Resample(frame as VideoFrame, tempFrame);
frame = tempFrame;
}
}
encodeFrames = 0;
outPacket.ReleaseNativeBuffer();
int gotPicture = 0;
if (frame != null)
{
try {
frame.SetupToNative();
frame.presentTimestamp = new Timestamp(inputFrames, framePerSecond.Reciprocal);
frame.presentTimestamp.Transform(codecContext->TimeBase);
frame.frame->Pts = frame.presentTimestamp.Value;
FF.avcodec_encode_video2(codecContext, outPacket.packet, frame.frame, &gotPicture).CheckFFmpegCode("视频编码发生错误");
} finally {
frame.ReleaseSetup();
}
inputFrames++;
encodeFrames = 1;
}
else
{
FF.avcodec_encode_video2(codecContext, outPacket.packet, null, &gotPicture).CheckFFmpegCode("视频编码发生错误");
}
if (gotPicture != 0)
{
ConfigPakcet(outPacket);
return(true);
}
return(false);
}
