public static void Fill(Demuxer demuxer)
{
DemuxerInfo di = new DemuxerInfo();
di.Name = Utils.BytePtrToStringUTF8(demuxer.fmtCtx->iformat->name);
di.LongName = Utils.BytePtrToStringUTF8(demuxer.fmtCtx->iformat->long_name);
di.Extensions = Utils.BytePtrToStringUTF8(demuxer.fmtCtx->iformat->extensions);
di.StartTime = demuxer.fmtCtx->start_time * 10;
di.Duration = demuxer.fmtCtx->duration * 10;
demuxer.info = di;
StreamInfo.Fill(demuxer);
//for (int i=0; i<demuxer.fmtCtx->nb_streams; i++)
//{
// switch (demuxer.fmtCtx->streams[i]->codecpar->codec_type)
// {
// case AVMEDIA_TYPE_AUDIO:
// demuxer.AudioStreams.Add(new EmbeddedAudioStream(demuxer.fmtCtx->streams[i]));
// if (demuxer.fmtCtx->streams[i]->duration <= 0) demuxer.AudioStreams[demuxer.AudioStreams.Count-1].Duration = demuxer.decCtx.demuxer.info.Duration;
// break;
// case AVMEDIA_TYPE_VIDEO:
// demuxer.VideoStreams.Add(new EmbeddedVideoStream(demuxer.fmtCtx->streams[i]));
// if (demuxer.fmtCtx->streams[i]->duration <= 0) demuxer.VideoStreams[demuxer.VideoStreams.Count-1].Duration = demuxer.decCtx.demuxer.info.Duration;
// break;
// case AVMEDIA_TYPE_SUBTITLE:
// demuxer.SubtitleStreams.Add(new EmbeddedSubtitleStream(demuxer.fmtCtx->streams[i]));
// if (demuxer.fmtCtx->streams[i]->duration <= 0) demuxer.SubtitleStreams[demuxer.SubtitleStreams.Count-1].Duration = demuxer.decCtx.demuxer.info.Duration;
// break;
// }
//}
}
public void Init(Renderer renderer, Config cfg)
{
this.renderer = renderer;
this.cfg = cfg;
status = Status.None;
Master.RegisterFFmpeg();
vDecoder = new Decoder(MediaType.Video, this);
aDecoder = new Decoder(MediaType.Audio, this);
sDecoder = new Decoder(MediaType.Subs, this);
demuxer = new Demuxer(MediaType.Video, this);
aDemuxer = new Demuxer(MediaType.Audio, this);
sDemuxer = new Demuxer(MediaType.Subs, this);
va = new VideoAcceleration();
if (cfg.decoder.HWAcceleration)
{
va.Init(renderer.device);
}
GCHandle decCtxHandle = GCHandle.Alloc(this);
decCtxPtr = (IntPtr)decCtxHandle;
}
public static void Fill(Demuxer demuxer)
{
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].Duration <= 0)
{
demuxer.streams[i].Duration = demuxer.decCtx.demuxer.fmtCtx->duration * 10;
}
}
}
public void Close()
{
if (decodeThread != null && decodeThread.IsAlive)
{
stopThread = true;
decodeARE.Set();
Utils.EnsureThreadDone(decodeThread);
stopThread = false;
}
if (status == Status.None)
{
return;
}
if (demuxer.enabledStreams.Contains(st->index))
{
Log($"Closing StreamIndex #{st->index}");
st->discard = AVDiscard.AVDISCARD_ALL;
demuxer.enabledStreams.Remove(st->index);
}
Flush();
if (type == MediaType.Video)
{
av_buffer_unref(&codecCtx->hw_device_ctx);
if (swsCtx != null)
{
sws_freeContext(swsCtx); swsCtx = null;
}
}
//else if (type == MediaType.Audio)
//{
// //fixed (SwrContext** ptr = &swrCtx) swr_free(ptr);
//}
avcodec_close(codecCtx);
if (frame != null)
fixed(AVFrame **ptr = &frame) av_frame_free(ptr);
if (codecCtx != null)
fixed(AVCodecContext **ptr = &codecCtx) avcodec_free_context(ptr);
codecCtx = null;
decodeARE.Reset();
demuxer = null;
st = null;
info = null;
isEmbedded = false;
status = Status.None;
}
public int Open(Demuxer demuxer, AVStream *st)
{
Log($"Opening StreamIndex #{st->index}");
if (status != Status.None)
{
Close();
}
this.st = st;
this.demuxer = demuxer;
isEmbedded = demuxer.type == MediaType.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.Name = $"{type} Decoder"; decodeThread.IsBackground = true; decodeThread.Start();
while (status != Status.Paused)
{
Thread.Sleep(5);
}
}
else
{
status = Status.Paused;
}
frame = av_frame_alloc();
demuxer.enabledStreams.Add(st->index);
st->discard = AVDiscard.AVDISCARD_DEFAULT;
return(ret);
}
public static string GetDumpAll(Demuxer demuxer)
{
var dump = demuxer.info.ToString() + "\r\n";
foreach (var stream in demuxer.streams)
{
dump += stream.ToString() + "\r\n";
}
return(dump.Trim());
//var dump = demuxer.info.ToString() + "\r\n";
//foreach(var stream in demuxer.VideoStreams)
// dump += stream.GetDump() + "\r\n";
//foreach(var stream in demuxer.AudioStreams)
// dump += stream.GetDump() + "\r\n";
//foreach(var stream in demuxer.SubtitleStreams)
// dump += stream.GetDump() + "\r\n";
//return dump.Trim();
}
public static string GetDump(Demuxer demuxer)
{
return(demuxer.info.ToString());
}
