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 static void Fill(Demuxer demuxer)
{
Console.WriteLine($"[# Format] {Utils.BytePtrToStringUTF8(demuxer.fmtCtx->iformat->long_name)}/{Utils.BytePtrToStringUTF8(demuxer.fmtCtx->iformat->name)} | {Utils.BytePtrToStringUTF8(demuxer.fmtCtx->iformat->extensions)} | {new TimeSpan(demuxer.fmtCtx->start_time * 10)}/{new TimeSpan(demuxer.fmtCtx->duration * 10)}");
demuxer.streams = new StreamInfo[demuxer.fmtCtx->nb_streams];
for (int i = 0; i < demuxer.fmtCtx->nb_streams; i++)
{
demuxer.streams[i] = Get(demuxer.fmtCtx->streams[i]);
if (demuxer.streams[i].DurationTicks <= 0)
{
demuxer.streams[i].DurationTicks = demuxer.decCtx.demuxer.fmtCtx->duration * 10;
}
PrintDump(demuxer.streams[i]);
}
}
public void Close()
{
if (status == Status.NOTSET)
{
return;
}
if (decodeThread.IsAlive)
{
forcePause = true; Thread.Sleep(20); if (decodeThread.IsAlive)
{
decodeThread.Abort();
}
}
if (demuxer.enabledStreams.Contains(st->index))
{
st->discard = AVDiscard.AVDISCARD_ALL;
demuxer.enabledStreams.Remove(st->index);
}
Flush();
if (type == Type.Video)
{
av_buffer_unref(&codecCtx->hw_device_ctx);
if (swsCtx != null)
{
sws_freeContext(swsCtx); swsCtx = null;
}
}
else if (type == Type.Audio)
{
//fixed (SwrContext** ptr = &swrCtx) swr_free(ptr);
}
avcodec_close(codecCtx);
if (frame != null)
fixed(AVFrame **ptr = &frame) av_frame_free(ptr);
if (codecCtx != null)
fixed(AVCodecContext **ptr = &codecCtx) avcodec_free_context(ptr);
codecCtx = null;
decodeARE.Reset();
demuxer = null;
st = null;
info = null;
isEmbedded = false;
status = Status.NOTSET;
}
public int Open(Demuxer demuxer, AVStream *st)
{
if (status != Status.NOTSET)
{
Close();
}
this.st = st;
this.demuxer = demuxer;
isEmbedded = demuxer.type == Type.Video ? true : false;
info = demuxer.streams[st->index];
int ret = OpenCodec();
if (ret < 0)
{
return(ret);
}
if (decodeThread == null || !decodeThread.IsAlive)
{
decodeThread = new Thread(() => Decode());
decodeThread.IsBackground = true;
decodeThread.Start();
while (status != Status.READY)
{
Thread.Sleep(5);
}
}
else
{
status = Status.READY;
}
frame = av_frame_alloc();
demuxer.enabledStreams.Add(st->index);
st->discard = AVDiscard.AVDISCARD_DEFAULT;
return(ret);
}
