public void Init(Device device)
{
Utils.RegisterFFmpegBinaries();
//av_log_set_level(AV_LOG_MAX_OFFSET);
av_log_set_level(AV_LOG_WARNING);
av_log_set_callback(Utils.ffmpegLogCallback);
vDecoder = new Decoder(Type.Video, this);
aDecoder = new Decoder(Type.Audio, this);
sDecoder = new Decoder(Type.Subs, this);
demuxer = new Demuxer(Type.Video, this);
aDemuxer = new Demuxer(Type.Audio, this);
sDemuxer = new Demuxer(Type.Subs, this);
va = new VideoAcceleration();
if (opt.video.HWAcceleration)
{
va.Init(device);
}
this.device = device;
status = Status.NOTSET;
GCHandle decCtxHandle = GCHandle.Alloc(this);
decCtxPtr = (IntPtr)decCtxHandle;
}
public int SetupVideo(AVCodec *codec)
{
hwAccelSuccess = false;
if (opt.video.HWAcceleration && VideoAcceleration.CheckCodecSupport(codec))
{
if (demuxer.decCtx.va.hw_device_ctx == null)
{
demuxer.decCtx.va.Init(demuxer.decCtx.device);
}
if (demuxer.decCtx.va.hw_device_ctx != null)
{
codecCtx->hw_device_ctx = av_buffer_ref(demuxer.decCtx.va.hw_device_ctx);
hwAccelSuccess = true;
}
}
codecCtx->thread_count = Math.Min(opt.video.DecoderThreads, codecCtx->codec_id == AV_CODEC_ID_HEVC ? 32 : 16);
codecCtx->thread_type = 0;
//vCodecCtx->active_thread_type = FF_THREAD_FRAME;
//vCodecCtx->active_thread_type = FF_THREAD_SLICE;
codecCtx->thread_safe_callbacks = 1;
// Hardware Texture (NV12 | P010) | Format will be set from source
textDescHW = new Texture2DDescription()
{
Usage = ResourceUsage.Default,
Width = codecCtx->width,
Height = codecCtx->height,
BindFlags = BindFlags.Decoder,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
ArraySize = 1,
MipLevels = 1
};
// YUV Pixel Shader (textureY | textureU | textureV)
textDescYUV = new Texture2DDescription()
{
Usage = ResourceUsage.Immutable,
Format = Format.R8_UNorm,
Width = codecCtx->width,
Height = codecCtx->height,
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
ArraySize = 1,
MipLevels = 1
};
// RGBA Sws Scale
textDescRGB = new Texture2DDescription()
{
Usage = ResourceUsage.Immutable,
Format = Format.R8G8B8A8_UNorm,
Width = codecCtx->width,
Height = codecCtx->height,
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
ArraySize = 1,
MipLevels = 1
};
return(0);
}
