public async Task ConversionStreamTest()
{
var path = Res.GetPath(Res.Video_Mp4);
var opath = "out-test-v-2.mp4";
try
{
using var reader = new VideoReader(path);
await reader.LoadMetadataAsync();
var encoder = new H264Encoder
{
Format = "flv"
};
using (var filestream = File.Create(opath))
{
using (var writer = new VideoWriter(filestream,
reader.Metadata.Width,
reader.Metadata.Height,
reader.Metadata.AvgFramerate,
encoder.Create()))
{
writer.OpenWrite();
reader.Load();
await reader.CopyToAsync(writer);
}
}
using var video = new VideoReader(opath);
await video.LoadMetadataAsync();
Assert.True(video.Metadata.Codec == "h264");
Assert.True(video.Metadata.AvgFramerate == reader.Metadata.AvgFramerate);
Assert.True(Math.Abs(video.Metadata.Duration - reader.Metadata.Duration) < 0.2);
Assert.True(video.Metadata.Width == reader.Metadata.Width);
Assert.True(video.Metadata.Height == reader.Metadata.Height);
Assert.True(video.Metadata.BitDepth == reader.Metadata.BitDepth);
Assert.True(video.Metadata.Streams.Length == 1); // only video
}
finally
{
if (File.Exists(opath))
{
File.Delete(opath);
}
}
}
