mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-06 03:26:07 +02:00
305 lines
10 KiB
C#
305 lines
10 KiB
C#
using MediaBrowser.Common.IO;
|
|
using MediaBrowser.Common.MediaInfo;
|
|
using MediaBrowser.Controller.Configuration;
|
|
using MediaBrowser.Controller.Entities;
|
|
using MediaBrowser.Controller.MediaInfo;
|
|
using MediaBrowser.Controller.Providers;
|
|
using MediaBrowser.Model.Entities;
|
|
using MediaBrowser.Model.Logging;
|
|
using MediaBrowser.Model.Serialization;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace MediaBrowser.Providers.MediaInfo
|
|
{
|
|
/// <summary>
|
|
/// Provides a base class for extracting media information through ffprobe
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
public abstract class BaseFFProbeProvider<T> : BaseFFMpegProvider<T>
|
|
where T : BaseItem
|
|
{
|
|
protected BaseFFProbeProvider(ILogManager logManager, IServerConfigurationManager configurationManager, IMediaEncoder mediaEncoder, IJsonSerializer jsonSerializer)
|
|
: base(logManager, configurationManager, mediaEncoder)
|
|
{
|
|
JsonSerializer = jsonSerializer;
|
|
}
|
|
|
|
protected readonly IJsonSerializer JsonSerializer;
|
|
|
|
/// <summary>
|
|
/// Gets the priority.
|
|
/// </summary>
|
|
/// <value>The priority.</value>
|
|
public override MetadataProviderPriority Priority
|
|
{
|
|
get { return MetadataProviderPriority.First; }
|
|
}
|
|
|
|
protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
|
|
|
|
/// <summary>
|
|
/// Gets the media info.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="isoMount">The iso mount.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>Task{MediaInfoResult}.</returns>
|
|
/// <exception cref="System.ArgumentNullException">inputPath
|
|
/// or
|
|
/// cache</exception>
|
|
protected async Task<MediaInfoResult> GetMediaInfo(BaseItem item, IIsoMount isoMount, CancellationToken cancellationToken)
|
|
{
|
|
cancellationToken.ThrowIfCancellationRequested();
|
|
|
|
var type = InputType.AudioFile;
|
|
var inputPath = isoMount == null ? new[] { item.Path } : new[] { isoMount.MountedPath };
|
|
|
|
var video = item as Video;
|
|
|
|
if (video != null)
|
|
{
|
|
inputPath = MediaEncoderHelpers.GetInputArgument(video, isoMount, out type);
|
|
}
|
|
|
|
return await MediaEncoder.GetMediaInfo(inputPath, type, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Mounts the iso if needed.
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="cancellationToken">The cancellation token.</param>
|
|
/// <returns>IsoMount.</returns>
|
|
protected virtual Task<IIsoMount> MountIsoIfNeeded(T item, CancellationToken cancellationToken)
|
|
{
|
|
return NullMountTaskResult;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Called when [pre fetch].
|
|
/// </summary>
|
|
/// <param name="item">The item.</param>
|
|
/// <param name="mount">The mount.</param>
|
|
protected virtual void OnPreFetch(T item, IIsoMount mount)
|
|
{
|
|
|
|
}
|
|
|
|
/// <summary>
|
|
/// Normalizes the FF probe result.
|
|
/// </summary>
|
|
/// <param name="result">The result.</param>
|
|
protected void NormalizeFFProbeResult(MediaInfoResult result)
|
|
{
|
|
if (result.format != null && result.format.tags != null)
|
|
{
|
|
result.format.tags = ConvertDictionaryToCaseInSensitive(result.format.tags);
|
|
}
|
|
|
|
if (result.streams != null)
|
|
{
|
|
// Convert all dictionaries to case insensitive
|
|
foreach (var stream in result.streams)
|
|
{
|
|
if (stream.tags != null)
|
|
{
|
|
stream.tags = ConvertDictionaryToCaseInSensitive(stream.tags);
|
|
}
|
|
|
|
if (stream.disposition != null)
|
|
{
|
|
stream.disposition = ConvertDictionaryToCaseInSensitive(stream.disposition);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts ffprobe stream info to our MediaStream class
|
|
/// </summary>
|
|
/// <param name="streamInfo">The stream info.</param>
|
|
/// <param name="formatInfo">The format info.</param>
|
|
/// <returns>MediaStream.</returns>
|
|
protected MediaStream GetMediaStream(MediaStreamInfo streamInfo, MediaFormatInfo formatInfo)
|
|
{
|
|
var stream = new MediaStream
|
|
{
|
|
Codec = streamInfo.codec_name,
|
|
Profile = streamInfo.profile,
|
|
Level = streamInfo.level,
|
|
Index = streamInfo.index
|
|
};
|
|
|
|
if (streamInfo.tags != null)
|
|
{
|
|
stream.Language = GetDictionaryValue(streamInfo.tags, "language");
|
|
}
|
|
|
|
if (string.Equals(streamInfo.codec_type, "audio", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
stream.Type = MediaStreamType.Audio;
|
|
|
|
stream.Channels = streamInfo.channels;
|
|
|
|
if (!string.IsNullOrEmpty(streamInfo.sample_rate))
|
|
{
|
|
stream.SampleRate = int.Parse(streamInfo.sample_rate, UsCulture);
|
|
}
|
|
}
|
|
else if (string.Equals(streamInfo.codec_type, "subtitle", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
stream.Type = MediaStreamType.Subtitle;
|
|
}
|
|
else if (string.Equals(streamInfo.codec_type, "video", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
stream.Type = MediaStreamType.Video;
|
|
|
|
stream.Width = streamInfo.width;
|
|
stream.Height = streamInfo.height;
|
|
stream.PixelFormat = streamInfo.pix_fmt;
|
|
stream.AspectRatio = streamInfo.display_aspect_ratio;
|
|
|
|
stream.AverageFrameRate = GetFrameRate(streamInfo.avg_frame_rate);
|
|
stream.RealFrameRate = GetFrameRate(streamInfo.r_frame_rate);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
|
|
// Get stream bitrate
|
|
if (stream.Type != MediaStreamType.Subtitle)
|
|
{
|
|
if (!string.IsNullOrEmpty(streamInfo.bit_rate))
|
|
{
|
|
stream.BitRate = int.Parse(streamInfo.bit_rate, UsCulture);
|
|
}
|
|
else if (formatInfo != null && !string.IsNullOrEmpty(formatInfo.bit_rate))
|
|
{
|
|
// If the stream info doesn't have a bitrate get the value from the media format info
|
|
stream.BitRate = int.Parse(formatInfo.bit_rate, UsCulture);
|
|
}
|
|
}
|
|
|
|
if (streamInfo.disposition != null)
|
|
{
|
|
var isDefault = GetDictionaryValue(streamInfo.disposition, "default");
|
|
var isForced = GetDictionaryValue(streamInfo.disposition, "forced");
|
|
|
|
stream.IsDefault = string.Equals(isDefault, "1", StringComparison.OrdinalIgnoreCase);
|
|
|
|
stream.IsForced = string.Equals(isForced, "1", StringComparison.OrdinalIgnoreCase);
|
|
}
|
|
|
|
return stream;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a frame rate from a string value in ffprobe output
|
|
/// This could be a number or in the format of 2997/125.
|
|
/// </summary>
|
|
/// <param name="value">The value.</param>
|
|
/// <returns>System.Nullable{System.Single}.</returns>
|
|
private float? GetFrameRate(string value)
|
|
{
|
|
if (!string.IsNullOrEmpty(value))
|
|
{
|
|
var parts = value.Split('/');
|
|
|
|
float result;
|
|
|
|
if (parts.Length == 2)
|
|
{
|
|
result = float.Parse(parts[0], UsCulture) / float.Parse(parts[1], UsCulture);
|
|
}
|
|
else
|
|
{
|
|
result = float.Parse(parts[0], UsCulture);
|
|
}
|
|
|
|
return float.IsNaN(result) ? (float?)null : result;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a string from an FFProbeResult tags dictionary
|
|
/// </summary>
|
|
/// <param name="tags">The tags.</param>
|
|
/// <param name="key">The key.</param>
|
|
/// <returns>System.String.</returns>
|
|
protected string GetDictionaryValue(Dictionary<string, string> tags, string key)
|
|
{
|
|
if (tags == null)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
string val;
|
|
|
|
tags.TryGetValue(key, out val);
|
|
return val;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets an int from an FFProbeResult tags dictionary
|
|
/// </summary>
|
|
/// <param name="tags">The tags.</param>
|
|
/// <param name="key">The key.</param>
|
|
/// <returns>System.Nullable{System.Int32}.</returns>
|
|
protected int? GetDictionaryNumericValue(Dictionary<string, string> tags, string key)
|
|
{
|
|
var val = GetDictionaryValue(tags, key);
|
|
|
|
if (!string.IsNullOrEmpty(val))
|
|
{
|
|
int i;
|
|
|
|
if (int.TryParse(val, out i))
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets a DateTime from an FFProbeResult tags dictionary
|
|
/// </summary>
|
|
/// <param name="tags">The tags.</param>
|
|
/// <param name="key">The key.</param>
|
|
/// <returns>System.Nullable{DateTime}.</returns>
|
|
protected DateTime? GetDictionaryDateTime(Dictionary<string, string> tags, string key)
|
|
{
|
|
var val = GetDictionaryValue(tags, key);
|
|
|
|
if (!string.IsNullOrEmpty(val))
|
|
{
|
|
DateTime i;
|
|
|
|
if (DateTime.TryParse(val, out i))
|
|
{
|
|
return i.ToUniversalTime();
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts a dictionary to case insensitive
|
|
/// </summary>
|
|
/// <param name="dict">The dict.</param>
|
|
/// <returns>Dictionary{System.StringSystem.String}.</returns>
|
|
private Dictionary<string, string> ConvertDictionaryToCaseInSensitive(Dictionary<string, string> dict)
|
|
{
|
|
return new Dictionary<string, string>(dict, StringComparer.OrdinalIgnoreCase);
|
|
}
|
|
}
|
|
}
|