Пример #1
0
        static void ReadWriteAudio(string input, string output)
        {
            var audio = new AudioReader(input);

            audio.LoadMetadata().Wait();
            audio.Load();

            using (var writer = new AudioWriter(output, audio.Metadata.Channels, audio.Metadata.SampleRate))
            {
                writer.OpenWrite(true);

                var frame = new AudioFrame(1, audio.Metadata.Channels);
                while (true)
                {
                    // read next sample
                    var f = audio.NextFrame(frame);
                    if (f == null)
                    {
                        break;
                    }

                    writer.WriteFrame(frame);
                }
            }
        }
Пример #2
0
        public async Task LoadMetadataOgg()
        {
            var audio = new AudioReader(Res.GetPath(Res.Audio_Ogg));

            await audio.LoadMetadata();

            Assert.True(audio.Metadata.Codec == "vorbis");
            Assert.True(audio.Metadata.BitRate == 48000);
            Assert.True(audio.Metadata.SampleFormat == "fltp");
            Assert.True(audio.Metadata.SampleRate == 11025);
            Assert.True(audio.Metadata.Channels == 2);
            Assert.True(audio.Metadata.Streams.Length == 1);
            Assert.True(Math.Abs(audio.Metadata.Duration - 1.515102) < 0.01);
        }
Пример #3
0
        public async Task LoadMetadataMp3()
        {
            var audio = new AudioReader(Res.GetPath(Res.Audio_Mp3));

            await audio.LoadMetadata();

            Assert.True(audio.Metadata.Codec == "mp3");
            Assert.True(audio.Metadata.BitRate == 128000);
            Assert.True(audio.Metadata.SampleFormat == "fltp");
            Assert.True(audio.Metadata.SampleRate == 44100);
            Assert.True(audio.Metadata.Channels == 2);
            Assert.True(audio.Metadata.Streams.Length == 1);
            Assert.True(Math.Abs(audio.Metadata.Duration - 1.549187) < 0.01);
        }
Пример #4
0
        static void ReadPlayAudio(string input, string output)
        {
            var audio = new AudioReader(input);

            audio.LoadMetadata().Wait();
            audio.Load();

            using (var player = new AudioPlayer())
            {
                player.OpenWrite(audio.Metadata.SampleRate, audio.Metadata.Channels, showWindow: false);

                // For simple playing, can just use "CopyTo"
                // audio.CopyTo(player);

                var frame = new AudioFrame(audio.Metadata.Channels);
                while (true)
                {
                    // read next frame
                    var f = audio.NextFrame(frame);
                    if (f == null)
                    {
                        break;
                    }

                    try
                    {
                        player.WriteFrame(frame);
                    }
                    catch (IOException) { break; }
                    catch
                    {
                        throw;
                    }
                }
            }
        }