private async Task <bool> ApplyVersionUpdate(MediaItem mediaItem, MediaVersion version, string filePath)
{
MediaVersion mediaItemVersion = mediaItem.GetHeadVersion();
bool durationChange = mediaItemVersion.Duration != version.Duration;
version.DateUpdated = _localFileSystem.GetLastWriteTime(filePath);
return(await _metadataRepository.UpdateLocalStatistics(mediaItem, version) && durationChange);
}
public async Task <Either <BaseError, bool> > RefreshStatistics(
string ffmpegPath,
string ffprobePath,
MediaItem mediaItem)
{
try
{
string filePath = mediaItem.GetHeadVersion().MediaFiles.Head().Path;
return(await RefreshStatistics(ffmpegPath, ffprobePath, mediaItem, filePath));
}
catch (Exception ex)
{
_logger.LogWarning(ex, "Failed to refresh statistics for media item {Id}", mediaItem.Id);
_client.Notify(ex);
return(BaseError.New(ex.Message));
}
}
private async Task <Either <BaseError, PlayoutItemWithPath> > CheckForFallbackFiller(
TvContext dbContext,
Channel channel,
DateTimeOffset now)
{
// check for channel fallback
Option <FillerPreset> maybeFallback = await dbContext.FillerPresets
.SelectOneAsync(w => w.Id, w => w.Id == channel.FallbackFillerId);
// then check for global fallback
if (maybeFallback.IsNone)
{
maybeFallback = await dbContext.ConfigElements
.GetValue <int>(ConfigElementKey.FFmpegGlobalFallbackFillerId)
.BindT(fillerId => dbContext.FillerPresets.SelectOneAsync(w => w.Id, w => w.Id == fillerId));
}
foreach (FillerPreset fallbackPreset in maybeFallback)
{
// turn this into a playout item
var collectionKey = CollectionKey.ForFillerPreset(fallbackPreset);
List <MediaItem> items = await MediaItemsForCollection.Collect(
_mediaCollectionRepository,
_televisionRepository,
_artistRepository,
collectionKey);
// TODO: shuffle? does it really matter since we loop anyway
MediaItem item = items[new Random().Next(items.Count)];
Option <TimeSpan> maybeDuration = await dbContext.PlayoutItems
.Filter(pi => pi.Playout.ChannelId == channel.Id)
.Filter(pi => pi.Start > now.UtcDateTime)
.OrderBy(pi => pi.Start)
.FirstOrDefaultAsync()
.Map(Optional)
.MapT(pi => pi.StartOffset - now);
MediaVersion version = item.GetHeadVersion();
version.MediaFiles = await dbContext.MediaFiles
.AsNoTracking()
.Filter(mf => mf.MediaVersionId == version.Id)
.ToListAsync();
version.Streams = await dbContext.MediaStreams
.AsNoTracking()
.Filter(ms => ms.MediaVersionId == version.Id)
.ToListAsync();
DateTimeOffset finish = maybeDuration.Match(
// next playout item exists
// loop until it starts
now.Add,
// no next playout item exists
// loop for 5 minutes if less than 30s, otherwise play full item
() => version.Duration < TimeSpan.FromSeconds(30)
? now.AddMinutes(5)
: now.Add(version.Duration));
var playoutItem = new PlayoutItem
{
MediaItem = item,
MediaItemId = item.Id,
Start = now.UtcDateTime,
Finish = finish.UtcDateTime,
FillerKind = FillerKind.Fallback,
InPoint = TimeSpan.Zero,
OutPoint = version.Duration
};
return(await ValidatePlayoutItemPath(playoutItem));
}
return(new UnableToLocatePlayoutItem());
}
public async Task <Either <BaseError, Dictionary <string, string> > > GetFormatTags(
string ffprobePath,
MediaItem mediaItem)
{
try
{
string mediaItemPath = mediaItem.GetHeadVersion().MediaFiles.Head().Path;
Either <BaseError, FFprobe> maybeProbe = await GetProbeOutput(ffprobePath, mediaItemPath);
return(maybeProbe.Match(
ffprobe =>
{
var result = new Dictionary <string, string>();
if (!string.IsNullOrWhiteSpace(ffprobe?.format?.tags?.album))
{
result.Add(MetadataFormatTag.Album, ffprobe.format.tags.album);
}
if (!string.IsNullOrWhiteSpace(ffprobe?.format?.tags?.albumArtist))
{
result.Add(MetadataFormatTag.AlbumArtist, ffprobe.format.tags.albumArtist);
}
if (!string.IsNullOrWhiteSpace(ffprobe?.format?.tags?.artist))
{
result.Add(MetadataFormatTag.Artist, ffprobe.format.tags.artist);
// if no album artist is present, use the track artist
if (!result.ContainsKey(MetadataFormatTag.AlbumArtist))
{
result.Add(MetadataFormatTag.AlbumArtist, ffprobe.format.tags.artist);
}
}
if (!string.IsNullOrWhiteSpace(ffprobe?.format?.tags?.date))
{
result.Add(MetadataFormatTag.Date, ffprobe.format.tags.date);
}
if (!string.IsNullOrWhiteSpace(ffprobe?.format?.tags?.genre))
{
result.Add(MetadataFormatTag.Genre, ffprobe.format.tags.genre);
}
if (!string.IsNullOrWhiteSpace(ffprobe?.format?.tags?.title))
{
result.Add(MetadataFormatTag.Title, ffprobe.format.tags.title);
}
if (!string.IsNullOrWhiteSpace(ffprobe?.format?.tags?.track))
{
result.Add(MetadataFormatTag.Track, ffprobe.format.tags.track);
}
return Right <BaseError, Dictionary <string, string> >(result);
},
Left <BaseError, Dictionary <string, string> >));
}
catch (Exception ex)
{
_logger.LogWarning(ex, "Failed to get format tags for media item {Id}", mediaItem.Id);
_client.Notify(ex);
return(BaseError.New(ex.Message));
}
}