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update interlaced detection

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This commit is contained in:
Luke Pulverenti 2016-01-13 16:21:39 -05:00
parent 5d30bfeb3c
commit d5c65d0163
6 changed files with 52 additions and 22 deletions
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3
MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
View File

@ -35,9 +35,10 @@ namespace MediaBrowser.Controller.MediaEncoding
/// Extracts the audio image.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="imageStreamIndex">Index of the image stream.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{Stream}.</returns>
Task<Stream> ExtractAudioImage(string path, CancellationToken cancellationToken);
Task<Stream> ExtractAudioImage(string path, int? imageStreamIndex, CancellationToken cancellationToken);
/// <summary>
/// Extracts the video image.

1
MediaBrowser.Controller/MediaEncoding/MediaInfoRequest.cs
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@ -15,7 +15,6 @@ namespace MediaBrowser.Controller.MediaEncoding
public IIsoMount MountedIso { get; set; }
public VideoType VideoType { get; set; }
public List<string> PlayableStreamFileNames { get; set; }
public bool ExtractKeyFrameInterval { get; set; }
public MediaInfoRequest()
{

34
MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
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@ -307,7 +307,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
}
}
var args = "{0} -i {1} -map 0:v:{2} -filter:v idet -frames:v 500 -an -f null /dev/null";
var args = "{0} -i {1} -map 0:v:{2} -an -filter:v idet -frames:v 500 -an -f null /dev/null";
var process = new Process
{
@ -447,7 +447,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
return false;
}
if (((tff + bff) / total) >= .65)
if (((tff + bff) / total) >= .4)
{
return true;
}
@ -472,29 +472,37 @@ namespace MediaBrowser.MediaEncoding.Encoder
/// </summary>
protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
public Task<Stream> ExtractAudioImage(string path, CancellationToken cancellationToken)
public Task<Stream> ExtractAudioImage(string path, int? imageStreamIndex, CancellationToken cancellationToken)
{
return ExtractImage(new[] { path }, MediaProtocol.File, true, null, null, cancellationToken);
return ExtractImage(new[] { path }, imageStreamIndex, MediaProtocol.File, true, null, null, cancellationToken);
}
public Task<Stream> ExtractVideoImage(string[] inputFiles, MediaProtocol protocol, Video3DFormat? threedFormat,
TimeSpan? offset, CancellationToken cancellationToken)
{
return ExtractImage(inputFiles, protocol, false, threedFormat, offset, cancellationToken);
return ExtractImage(inputFiles, null, protocol, false, threedFormat, offset, cancellationToken);
}
private async Task<Stream> ExtractImage(string[] inputFiles, MediaProtocol protocol, bool isAudio,
private async Task<Stream> ExtractImage(string[] inputFiles, int? imageStreamIndex, MediaProtocol protocol, bool isAudio,
Video3DFormat? threedFormat, TimeSpan? offset, CancellationToken cancellationToken)
{
var resourcePool = isAudio ? _audioImageResourcePool : _videoImageResourcePool;
var inputArgument = GetInputArgument(inputFiles, protocol);
if (!isAudio)
if (isAudio)
{
if (imageStreamIndex.HasValue && imageStreamIndex.Value > 0)
{
// It seems for audio files we need to subtract 1 (for the audio stream??)
imageStreamIndex = imageStreamIndex.Value - 1;
}
}
else
{
try
{
return await ExtractImageInternal(inputArgument, protocol, threedFormat, offset, true, resourcePool, cancellationToken).ConfigureAwait(false);
return await ExtractImageInternal(inputArgument, imageStreamIndex, protocol, threedFormat, offset, true, resourcePool, cancellationToken).ConfigureAwait(false);
}
catch (ArgumentException)
{
@ -506,10 +514,10 @@ namespace MediaBrowser.MediaEncoding.Encoder
}
}
return await ExtractImageInternal(inputArgument, protocol, threedFormat, offset, false, resourcePool, cancellationToken).ConfigureAwait(false);
return await ExtractImageInternal(inputArgument, imageStreamIndex, protocol, threedFormat, offset, false, resourcePool, cancellationToken).ConfigureAwait(false);
}
private async Task<Stream> ExtractImageInternal(string inputPath, MediaProtocol protocol, Video3DFormat? threedFormat, TimeSpan? offset, bool useIFrame, SemaphoreSlim resourcePool, CancellationToken cancellationToken)
private async Task<Stream> ExtractImageInternal(string inputPath, int? imageStreamIndex, MediaProtocol protocol, Video3DFormat? threedFormat, TimeSpan? offset, bool useIFrame, SemaphoreSlim resourcePool, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(inputPath))
{
@ -543,9 +551,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
}
}
var mapArg = imageStreamIndex.HasValue ? (" -map 0:v:" + imageStreamIndex.Value.ToString(CultureInfo.InvariantCulture)) : string.Empty;
// Use ffmpeg to sample 100 (we can drop this if required using thumbnail=50 for 50 frames) frames and pick the best thumbnail. Have a fall back just in case.
var args = useIFrame ? string.Format("-i {0} -threads 1 -v quiet -vframes 1 -vf \"{2},thumbnail=30\" -f image2 \"{1}\"", inputPath, "-", vf) :
string.Format("-i {0} -threads 1 -v quiet -vframes 1 -vf \"{2}\" -f image2 \"{1}\"", inputPath, "-", vf);
var args = useIFrame ? string.Format("-i {0}{3} -threads 1 -v quiet -vframes 1 -vf \"{2},thumbnail=30\" -f image2 \"{1}\"", inputPath, "-", vf, mapArg) :
string.Format("-i {0}{3} -threads 1 -v quiet -vframes 1 -vf \"{2}\" -f image2 \"{1}\"", inputPath, "-", vf, mapArg);
var probeSize = GetProbeSizeArgument(new[] { inputPath }, protocol);

1
MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs
View File

@ -141,6 +141,7 @@ namespace MediaBrowser.MediaEncoding.Probing
if (streamInfo.tags != null)
{
stream.Language = GetDictionaryValue(streamInfo.tags, "language");
stream.Comment = GetDictionaryValue(streamInfo.tags, "comment");
}
if (string.Equals(streamInfo.codec_type, "audio", StringComparison.OrdinalIgnoreCase))

6
MediaBrowser.Model/Entities/MediaStream.cs
View File

@ -30,6 +30,12 @@ namespace MediaBrowser.Model.Entities
/// <value>The language.</value>
public string Language { get; set; }
/// <summary>
/// Gets or sets the comment.
/// </summary>
/// <value>The comment.</value>
public string Comment { get; set; }
/// <summary>
/// Gets or sets a value indicating whether this instance is interlaced.
/// </summary>

29
MediaBrowser.Providers/MediaInfo/AudioImageProvider.cs
View File

@ -1,4 +1,5 @@
using MediaBrowser.Common.Extensions;
using System;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
@ -43,20 +44,27 @@ namespace MediaBrowser.Providers.MediaInfo
{
var audio = (Audio)item;
var imageStreams =
audio.GetMediaSources(false)
.Take(1)
.SelectMany(i => i.MediaStreams)
.Where(i => i.Type == MediaStreamType.EmbeddedImage)
.ToList();
// Can't extract if we didn't find a video stream in the file
if (!audio.GetMediaSources(false).Take(1).SelectMany(i => i.MediaStreams).Any(i => i.Type == MediaStreamType.EmbeddedImage))
if (imageStreams.Count == 0)
{
return Task.FromResult(new DynamicImageResponse { HasImage = false });
}
return GetImage((Audio)item, cancellationToken);
return GetImage((Audio)item, imageStreams, cancellationToken);
}
public async Task<DynamicImageResponse> GetImage(Audio item, CancellationToken cancellationToken)
public async Task<DynamicImageResponse> GetImage(Audio item, List<MediaStream> imageStreams, CancellationToken cancellationToken)
{
var path = GetAudioImagePath(item);
if (!_fileSystem.FileExists(path))
if (!_fileSystem.FileExists(path))
{
var semaphore = GetLock(path);
@ -66,11 +74,16 @@ namespace MediaBrowser.Providers.MediaInfo
try
{
// Check again in case it was saved while waiting for the lock
if (!_fileSystem.FileExists(path))
if (!_fileSystem.FileExists(path))
{
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
using (var stream = await _mediaEncoder.ExtractAudioImage(item.Path, cancellationToken).ConfigureAwait(false))
var imageStream = imageStreams.FirstOrDefault(i => (i.Comment ?? string.Empty).IndexOf("front", StringComparison.OrdinalIgnoreCase) != -1) ??
imageStreams.FirstOrDefault(i => (i.Comment ?? string.Empty).IndexOf("cover", StringComparison.OrdinalIgnoreCase) != -1);
var imageStreamIndex = imageStream == null ? (int?)null : imageStream.Index;
using (var stream = await _mediaEncoder.ExtractAudioImage(item.Path, imageStreamIndex, cancellationToken).ConfigureAwait(false))
{
using (var fileStream = _fileSystem.GetFileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, true))
{