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 int Open(string url, bool doAudio = true, bool doSubs = true, Stream stream = null, bool closeExternals = true)
{
if (url == null && stream == null)
{
return(-1);
}
if (type == MediaType.Video && closeExternals)
{
decCtx.aDemuxer.Close();
decCtx.sDemuxer.Close();
}
Close(closeExternals);
int ret;
this.url = url;
Log($"Opening {url}");
AVDictionary *opt = null;
Dictionary <string, string> optPtr = decCtx.cfg.demuxer.GetFormatOptPtr(type);
foreach (var t1 in optPtr)
{
av_dict_set(&opt, t1.Key, t1.Value, 0);
}
fmtCtx = avformat_alloc_context();
fmtCtx->interrupt_callback.callback = interruptClbk;
fmtCtx->interrupt_callback.opaque = (void *)decCtx.decCtxPtr;
fmtCtx->flags |= AVFMT_FLAG_DISCARD_CORRUPT;
if (stream != null)
{
if (ioBuffer == null)
{
ioBuffer = new byte[ioBufferSize]; // NOTE: if we use small buffer ffmpeg might request more than we suggest
}
ioCtx = avio_alloc_context((byte *)av_malloc(ioBufferSize), ioBufferSize, 0, (void *)decCtx.decCtxPtr, ioread, null, ioseek);
fmtCtx->pb = ioCtx;
fmtCtx->flags |= AVFMT_FLAG_CUSTOM_IO;
ioStream = stream;
ioStream.Seek(0, SeekOrigin.Begin);
}
AVFormatContext *fmtCtxPtr = fmtCtx;
ret = avformat_open_input(&fmtCtxPtr, stream != null ? null : url, null, &opt);
if (ret < 0)
{
Log($"[Format] [ERROR-1] {Utils.FFmpeg.ErrorCodeToMsg(ret)} ({ret})"); return(ret);
}
// validate that we need this
av_format_inject_global_side_data(fmtCtx);
ret = avformat_find_stream_info(fmtCtx, null);
if (ret < 0)
{
Log($"[Format] [ERROR-2] {Utils.FFmpeg.ErrorCodeToMsg(ret)} ({ret})"); avformat_close_input(&fmtCtxPtr); return(ret);
}
DemuxerInfo.Fill(this);
Log("\r\n[# Format] " + DemuxerInfo.GetDumpAll(this));
// In case of multiple video streams select best Height based on current Display (fallback to default) | Maybe FPS too?
ret = -1;
if (type == MediaType.Video)
{
var iresults =
from vstream in streams
where vstream.Type == AVMEDIA_TYPE_VIDEO && vstream.Height <= decCtx.renderer.Info.ScreenBounds.Height
orderby vstream.Height descending
select vstream;
var results = iresults.ToList();
if (results.Count != 0)
{
ret = iresults.ToList()[0].StreamIndex;
}
}
if (ret == -1)
{
ret = av_find_best_stream(fmtCtx, mType, -1, -1, null, 0);
}
if (ret < 0)
{
Log($"[Format] [ERROR-3] {Utils.FFmpeg.ErrorCodeToMsg(ret)} ({ret})"); avformat_close_input(&fmtCtxPtr); return(ret);
}
ret = decoder.Open(this, fmtCtx->streams[ret]);
if (ret < 0)
{
avformat_close_input(&fmtCtxPtr); return(ret);
}
switch (mType)
{
case AVMEDIA_TYPE_VIDEO:
ret = av_find_best_stream(fmtCtx, AVMEDIA_TYPE_AUDIO, -1, decoder.st->index, null, 0);
if (ret >= 0)
{
defaultAudioStream = ret;
}
if (doAudio)
{
if (ret >= 0)
{
decCtx.aDecoder.Open(this, fmtCtx->streams[ret]);
}
else if (ret != AVERROR_STREAM_NOT_FOUND)
{
Log($"[Format] [ERROR-7] [Audio] {Utils.FFmpeg.ErrorCodeToMsg(ret)} ({ret})");
}
}
if (doSubs)
{
if ((ret = av_find_best_stream(fmtCtx, AVMEDIA_TYPE_SUBTITLE, -1, decoder.st->index, null, 0)) >= 0)
{
decCtx.sDecoder.Open(this, fmtCtx->streams[ret]);
}
else if (ret != AVERROR_STREAM_NOT_FOUND)
{
Log($"[Format] [ERROR-7] [Subs ] {Utils.FFmpeg.ErrorCodeToMsg(ret)} ({ret})");
}
}
break;
case AVMEDIA_TYPE_AUDIO:
break;
case AVMEDIA_TYPE_SUBTITLE:
break;
}
RefreshStreams();
if (demuxThread == null || !demuxThread.IsAlive)
{
demuxThread = new Thread(() => Demux());
demuxThread.Name = $"{type} Demuxer"; demuxThread.IsBackground = true; demuxThread.Start();
while (status != Status.Paused)
{
Thread.Sleep(5); // Wait for thread to come up
}
}
else
{
status = Status.Paused;
}
pkt = av_packet_alloc();
//Console.WriteLine($"CP: {decoder.codecCtx->colorspace} | PR: {decoder.codecCtx->color_primaries} | TRC: {decoder.codecCtx->color_trc} | CR: {decoder.codecCtx->color_range}");
return(0);
}
