public void Test2()
{
MediaDictionary options = new MediaDictionary();
Output.WriteLine($"{((IntPtr)options.internalPointerPlaceHolder).ToInt64()}");
Output.WriteLine($"={((IntPtr)options.ppDictionary).ToInt64()}");
options.Add("protocol_whitelist", "file");
options.Add("key", "value");
options.Add("protocol_blacklist", "cache");
Output.WriteLine($"{((IntPtr)options.internalPointerPlaceHolder).ToInt64()}");
Output.WriteLine($"={((IntPtr)options.ppDictionary).ToInt64()}");
var file = "222.mp4";
AVFormatContext * pFormatContext = null;
AVFormatContext **ppFormatContext = &pFormatContext;
var ret1 = ffmpeg.avformat_alloc_output_context2(ppFormatContext, OutFormat.Get("mpeg"), null, file);
var ret2 = ffmpeg.avio_open2(&pFormatContext->pb, file, ffmpeg.AVIO_FLAG_WRITE, null, options);
//Output.WriteLine($"{((IntPtr)options.ppDictionary).ToInt64()}");
//Output.WriteLine($"{((IntPtr)options.internalPointerPlaceHolder).ToInt64()}");
Output.WriteLine($"{((IntPtr)options.internalPointerPlaceHolder).ToInt64()}");
Output.WriteLine($"={((IntPtr)options.ppDictionary).ToInt64()}");
Output.WriteLine($"+{((IntPtr)(*options.ppDictionary)).ToInt64()}");
Assert.True(options.Count == 1);
Assert.Equal("key", options.First().Key);
Assert.Equal("value", options.First().Value);
}
/// <summary>
/// <see cref="avformat_find_stream_info(AVFormatContext*, AVDictionary**)"/>
/// </summary>
public MediaDictionary FindStreamInfo()
{
AVDictionary *dict;
avformat_find_stream_info(this, &dict);
return(MediaDictionary.FromNative(dict, isOwner: true));
}
/// <summary>
/// <see cref="av_packet_unpack_dictionary(byte*, int, AVDictionary**)"/>
/// </summary>
public static MediaDictionary UnpackDictionary(Span <byte> data)
{
AVDictionary *dict = null;
fixed(byte *ptr = data)
{
av_packet_unpack_dictionary(ptr, data.Length, &dict).ThrowIfError();
}
return(MediaDictionary.FromNative(dict, isOwner: true));
}
public void TestNotSupported()
{
MediaDictionary options = new MediaDictionary();
options.Add("protocol_whitelist", "file");
options.Add("key", "value"); // not supported
options.Add("protocol_blacklist", "cache");
var file = "test.mp4";
AVFormatContext * pFormatContext = null;
AVFormatContext **ppFormatContext = &pFormatContext;
var ret1 = ffmpeg.avformat_alloc_output_context2(ppFormatContext, null, null, file);
var ret2 = ffmpeg.avio_open2(&pFormatContext->pb, file, ffmpeg.AVIO_FLAG_WRITE, null, options);
Assert.True(options.Count == 1);
Assert.Equal("key", options.First().Key);
Assert.Equal("value", options.First().Value);
}
public RtmpPull(string input)
{
MediaDictionary options = new MediaDictionary();
options.Add("stimeout", "30000000"); // set connect timeout 30s
using (MediaReader reader = new MediaReader(input, null, options))
{
var codecContext = reader.Where(_ => _.Codec.Type == AVMediaType.AVMEDIA_TYPE_VIDEO).First().Codec.AVCodecContext;
PixelConverter videoFrameConverter = new PixelConverter(AVPixelFormat.AV_PIX_FMT_BGR24, codecContext.width, codecContext.height);
foreach (var packet in reader.ReadPacket())
{
foreach (var frame in reader[packet.StreamIndex].ReadFrame(packet))
{
// TODO
}
}
}
}
public void TestDictionary()
{
MediaDictionary options = new MediaDictionary();
options.Add("k1", "v1");
options.Add("k2", "v2");
Assert.Equal(2, options.Count);
options.Add("K1", "v3", AVDictWriteFlags.MultiKey);
Assert.Equal(3, options.Count);
Assert.Equal("v3", options["K1"]);
Assert.Equal("v1", options["k1"]);
options.Add("k2", "v4", AVDictWriteFlags.DontOverwrite);
Assert.Equal(3, options.Count);
Assert.Equal("v2", options["k2"]);
options.Add("k1", "v5", AVDictWriteFlags.Append);
Assert.Equal(3, options.Count);
Assert.Equal("v1v5", options["k1"]);
}
public ViewSettings()
{
ScreenConfigs = new MediaDictionary <string, ScreenConfig>();
ScreenHierarchy = new MediaDictionary <string, string>();
}
/// <summary>
/// <see cref="av_packet_pack_dictionary(AVDictionary*, int*)"/>
/// </summary>
public static DataPointer PackDirectory(MediaDictionary dict)
{
int size;
return(new DataPointer(av_packet_pack_dictionary(dict, &size), size));
}