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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| namespace FFMediaToolkit.Audio | ||
|
Check warning on line 1 in FFMediaToolkit/Audio/AudioData.cs
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||
| { | ||
| using System; | ||
| using FFMediaToolkit.Common.Internal; | ||
|
|
||
| /// <summary> | ||
| /// Represents a lightweight container for audio data. | ||
| /// </summary> | ||
| public ref struct AudioData | ||
| { | ||
| private readonly AudioFrame frame; | ||
|
|
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| /// <summary> | ||
| /// Initializes a new instance of the <see cref="AudioData"/> struct. | ||
| /// </summary> | ||
| /// <param name="frame">frame object containing raw audio data.</param> | ||
| internal AudioData(AudioFrame frame) | ||
| { | ||
| this.frame = frame; | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets the number of samples. | ||
| /// </summary> | ||
| public int NumSamples => frame.NumSamples; | ||
|
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| /// <summary> | ||
| /// Gets the number of channels. | ||
| /// </summary> | ||
| public int NumChannels => frame.NumChannels; | ||
|
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| /// <summary> | ||
| /// Fetches raw audio data from this audio frame for specified channel. | ||
| /// </summary> | ||
| /// <param name="channel">The index of audio channel that should be retrieved, allowed range: [0..<see cref="NumChannels"/>).</param> | ||
| /// <returns>The span with samples in range of [-1.0, ..., 1.0].</returns> | ||
| public Span<T> GetChannelData<T>(uint channel) | ||
| where T : unmanaged | ||
| { | ||
| return frame.GetChannelData<T>(channel); | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Copies raw multichannel audio data from this frame to a heap allocated array. | ||
| /// </summary> | ||
| /// <returns> | ||
| /// The span with <see cref="NumChannels"/> rows and <see cref="NumSamples"/> columns; | ||
| /// samples in range of [-1.0, ..., 1.0]. | ||
| /// </returns> | ||
| public float[][] GetSampleData() | ||
| { | ||
| return frame.GetSampleData(); | ||
| } | ||
|
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| /// <summary> | ||
| /// Updates the specified channel of this audio frame with the given sample data. | ||
| /// </summary> | ||
| /// <param name="samples">An array of samples with length <see cref="NumSamples"/>.</param> | ||
| /// <param name="channel">The index of audio channel that should be updated, allowed range: [0..<see cref="NumChannels"/>).</param> | ||
| public void UpdateChannelData(float[] samples, uint channel) | ||
| { | ||
| frame.UpdateChannelData(samples, channel); | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Updates this audio frame with the specified multi-channel sample data. | ||
| /// </summary> | ||
| /// <param name="samples"> | ||
| /// A 2D jagged array of multi-channel sample data | ||
| /// with <see cref="NumChannels"/> rows and <see cref="NumSamples"/> columns. | ||
| /// </param> | ||
| public void UpdateFromSampleData(float[][] samples) | ||
| { | ||
| frame.UpdateFromSampleData(samples); | ||
| } | ||
|
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| /// <summary> | ||
| /// Releases all unmanaged resources associated with this instance. | ||
| /// </summary> | ||
| public void Dispose() | ||
| { | ||
| frame.Dispose(); | ||
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| namespace FFMediaToolkit.Audio | ||
|
Check warning on line 1 in FFMediaToolkit/Audio/SampleFormat.cs
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| { | ||
| using FFmpeg.AutoGen; | ||
|
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| /// <summary> | ||
| /// Enumerates common audio sample formats supported by FFmpeg. | ||
| /// </summary> | ||
| public enum SampleFormat | ||
| { | ||
| /// <summary> | ||
| /// Unsupported/Unknown. | ||
| /// </summary> | ||
| None = AVSampleFormat.AV_SAMPLE_FMT_NONE, | ||
|
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| /// <summary> | ||
| /// Unsigned 8-bit integer. | ||
| /// </summary> | ||
| UnsignedByte = AVSampleFormat.AV_SAMPLE_FMT_U8, | ||
|
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| /// <summary> | ||
| /// Signed 16-bit integer. | ||
| /// </summary> | ||
| SignedWord = AVSampleFormat.AV_SAMPLE_FMT_S16, | ||
|
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| /// <summary> | ||
| /// Signed 32-bit integer. | ||
| /// </summary> | ||
| SignedDWord = AVSampleFormat.AV_SAMPLE_FMT_S32, | ||
|
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| /// <summary> | ||
| /// Single precision floating point. | ||
| /// </summary> | ||
| Single = AVSampleFormat.AV_SAMPLE_FMT_FLT, | ||
|
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| /// <summary> | ||
| /// Double precision floating point. | ||
| /// </summary> | ||
| Double = AVSampleFormat.AV_SAMPLE_FMT_DBL, | ||
|
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| /// <summary> | ||
| /// Signed 16-bit integer (planar). | ||
| /// </summary> | ||
| SignedWordP = AVSampleFormat.AV_SAMPLE_FMT_S16P, | ||
|
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| /// <summary> | ||
| /// Signed 32-bit integer (planar). | ||
| /// </summary> | ||
| SignedDWordP = AVSampleFormat.AV_SAMPLE_FMT_S32P, | ||
|
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| /// <summary> | ||
| /// Single precision floating point (planar). | ||
| /// </summary> | ||
| SingleP = AVSampleFormat.AV_SAMPLE_FMT_FLTP, | ||
|
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| /// <summary> | ||
| /// Double precision floating point (planar). | ||
| /// </summary> | ||
| DoubleP = AVSampleFormat.AV_SAMPLE_FMT_DBLP, | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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| namespace FFMediaToolkit.Common | ||
|
Check warning on line 1 in FFMediaToolkit/Common/ContainerMetadata.cs
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| { | ||
| using System.Collections.Generic; | ||
| using FFmpeg.AutoGen; | ||
|
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| /// <summary> | ||
| /// Represents multimedia file metadata info. | ||
| /// </summary> | ||
| public class ContainerMetadata | ||
| { | ||
| private const string TitleKey = "title"; | ||
| private const string AuthorKey = "author"; | ||
| private const string AlbumKey = "album"; | ||
| private const string YearKey = "year"; | ||
| private const string GenreKey = "genre"; | ||
| private const string DescriptionKey = "description"; | ||
| private const string LanguageKey = "language"; | ||
| private const string CopyrightKey = "copyright"; | ||
| private const string RatingKey = "rating"; | ||
| private const string TrackKey = "track"; | ||
| private const string DateKey = "date"; | ||
|
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| /// <summary> | ||
| /// Initializes a new instance of the <see cref="ContainerMetadata"/> class. | ||
| /// </summary> | ||
| public ContainerMetadata() => Metadata = new Dictionary<string, string>(); | ||
|
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| /// <summary> | ||
| /// Initializes a new instance of the <see cref="ContainerMetadata"/> class. | ||
| /// </summary> | ||
| /// <param name="sourceMetadata">The source metadata dictionary.</param> | ||
| internal unsafe ContainerMetadata(AVDictionary* sourceMetadata) | ||
| => Metadata = FFDictionary.ToDictionary(sourceMetadata, true); | ||
|
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| /// <summary> | ||
| /// Gets or sets the multimedia title. | ||
| /// </summary> | ||
| public string Title | ||
| { | ||
| get => Metadata.ContainsKey(TitleKey) ? Metadata[TitleKey] : string.Empty; | ||
| set => Metadata[TitleKey] = value; | ||
| } | ||
|
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| /// <summary> | ||
| /// Gets or sets the multimedia author info. | ||
| /// </summary> | ||
| public string Author | ||
| { | ||
| get => Metadata.ContainsKey(AuthorKey) ? Metadata[AuthorKey] : string.Empty; | ||
| set => Metadata[AuthorKey] = value; | ||
| } | ||
|
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| /// <summary> | ||
| /// Gets or sets the multimedia album name. | ||
| /// </summary> | ||
| public string Album | ||
| { | ||
| get => Metadata.ContainsKey(AlbumKey) ? Metadata[AlbumKey] : string.Empty; | ||
| set => Metadata[AlbumKey] = value; | ||
| } | ||
|
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| /// <summary> | ||
| /// Gets or sets multimedia release date/year. | ||
| /// </summary> | ||
| public string Year | ||
| { | ||
| get => Metadata.ContainsKey(YearKey) | ||
| ? Metadata[YearKey] | ||
| : (Metadata.ContainsKey(DateKey) ? Metadata[DateKey] : string.Empty); | ||
| set => Metadata[YearKey] = value; | ||
| } | ||
|
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| /// <summary> | ||
| /// Gets or sets the multimedia genre. | ||
| /// </summary> | ||
| public string Genre | ||
| { | ||
| get => Metadata.ContainsKey(GenreKey) ? Metadata[GenreKey] : string.Empty; | ||
| set => Metadata[GenreKey] = value; | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets or sets the multimedia description. | ||
| /// </summary> | ||
| public string Description | ||
| { | ||
| get => Metadata.ContainsKey(DescriptionKey) ? Metadata[DescriptionKey] : string.Empty; | ||
| set => Metadata[DescriptionKey] = value; | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets or sets the multimedia language. | ||
| /// </summary> | ||
| public string Language | ||
| { | ||
| get => Metadata.ContainsKey(LanguageKey) ? Metadata[LanguageKey] : string.Empty; | ||
| set => Metadata[LanguageKey] = value; | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets or sets the multimedia copyright info. | ||
| /// </summary> | ||
| public string Copyright | ||
| { | ||
| get => Metadata.ContainsKey(CopyrightKey) ? Metadata[CopyrightKey] : string.Empty; | ||
| set => Metadata[CopyrightKey] = value; | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets or sets the multimedia rating. | ||
| /// </summary> | ||
| public string Rating | ||
| { | ||
| get => Metadata.ContainsKey(RatingKey) ? Metadata[RatingKey] : string.Empty; | ||
| set => Metadata[RatingKey] = value; | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets or sets the multimedia track number string. | ||
| /// </summary> | ||
| public string TrackNumber | ||
| { | ||
| get => Metadata.ContainsKey(TrackKey) ? Metadata[TrackKey] : string.Empty; | ||
| set => Metadata[TrackKey] = value; | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Gets or sets the dictionary containing all metadata fields. | ||
| /// </summary> | ||
| public Dictionary<string, string> Metadata { get; set; } | ||
| } | ||
| } | ||
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