diff options
Diffstat (limited to 'MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs')
| -rw-r--r-- | MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs | 109 |
1 files changed, 105 insertions, 4 deletions
diff --git a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs index 22537a4d9..97d61441c 100644 --- a/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs +++ b/MediaBrowser.MediaEncoding/Probing/ProbeResultNormalizer.cs @@ -149,7 +149,7 @@ namespace MediaBrowser.MediaEncoding.Probing var iTunEXTC = FFProbeHelpers.GetDictionaryValue(tags, "iTunEXTC"); if (!string.IsNullOrWhiteSpace(iTunEXTC)) { - var parts = iTunEXTC.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries); + var parts = iTunEXTC.Split('|', StringSplitOptions.RemoveEmptyEntries); // Example // mpaa|G|100|For crude humor if (parts.Length > 1) @@ -234,8 +234,8 @@ namespace MediaBrowser.MediaEncoding.Probing var channelsValue = channels.Value; - if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase) || - string.Equals(codec, "mp3", StringComparison.OrdinalIgnoreCase)) + if (string.Equals(codec, "aac", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "mp3", StringComparison.OrdinalIgnoreCase)) { if (channelsValue <= 2) { @@ -248,6 +248,34 @@ namespace MediaBrowser.MediaEncoding.Probing } } + if (string.Equals(codec, "ac3", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "eac3", StringComparison.OrdinalIgnoreCase)) + { + if (channelsValue <= 2) + { + return 192000; + } + + if (channelsValue >= 5) + { + return 640000; + } + } + + if (string.Equals(codec, "flac", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "alac", StringComparison.OrdinalIgnoreCase)) + { + if (channelsValue <= 2) + { + return 960000; + } + + if (channelsValue >= 5) + { + return 2880000; + } + } + return null; } @@ -764,6 +792,35 @@ namespace MediaBrowser.MediaEncoding.Probing stream.BitRate = bitrate; } + // Extract bitrate info from tag "BPS" if possible. + if (!stream.BitRate.HasValue + && (string.Equals(streamInfo.CodecType, "audio", StringComparison.OrdinalIgnoreCase) + || string.Equals(streamInfo.CodecType, "video", StringComparison.OrdinalIgnoreCase))) + { + var bps = GetBPSFromTags(streamInfo); + if (bps != null && bps > 0) + { + stream.BitRate = bps; + } + } + + // Get average bitrate info from tag "NUMBER_OF_BYTES" and "DURATION" if possible. + if (!stream.BitRate.HasValue + && (string.Equals(streamInfo.CodecType, "audio", StringComparison.OrdinalIgnoreCase) + || string.Equals(streamInfo.CodecType, "video", StringComparison.OrdinalIgnoreCase))) + { + var durationInSeconds = GetRuntimeSecondsFromTags(streamInfo); + var bytes = GetNumberOfBytesFromTags(streamInfo); + if (durationInSeconds != null && bytes != null) + { + var bps = Convert.ToInt32(bytes * 8 / durationInSeconds, CultureInfo.InvariantCulture); + if (bps > 0) + { + stream.BitRate = bps; + } + } + } + var disposition = streamInfo.Disposition; if (disposition != null) { @@ -953,6 +1010,50 @@ namespace MediaBrowser.MediaEncoding.Probing } } + private int? GetBPSFromTags(MediaStreamInfo streamInfo) + { + if (streamInfo != null && streamInfo.Tags != null) + { + var bps = GetDictionaryValue(streamInfo.Tags, "BPS-eng") ?? GetDictionaryValue(streamInfo.Tags, "BPS"); + if (!string.IsNullOrEmpty(bps) + && int.TryParse(bps, NumberStyles.Integer, CultureInfo.InvariantCulture, out var parsedBps)) + { + return parsedBps; + } + } + + return null; + } + + private double? GetRuntimeSecondsFromTags(MediaStreamInfo streamInfo) + { + if (streamInfo != null && streamInfo.Tags != null) + { + var duration = GetDictionaryValue(streamInfo.Tags, "DURATION-eng") ?? GetDictionaryValue(streamInfo.Tags, "DURATION"); + if (!string.IsNullOrEmpty(duration) && TimeSpan.TryParse(duration, out var parsedDuration)) + { + return parsedDuration.TotalSeconds; + } + } + + return null; + } + + private long? GetNumberOfBytesFromTags(MediaStreamInfo streamInfo) + { + if (streamInfo != null && streamInfo.Tags != null) + { + var numberOfBytes = GetDictionaryValue(streamInfo.Tags, "NUMBER_OF_BYTES-eng") ?? GetDictionaryValue(streamInfo.Tags, "NUMBER_OF_BYTES"); + if (!string.IsNullOrEmpty(numberOfBytes) + && long.TryParse(numberOfBytes, NumberStyles.Integer, CultureInfo.InvariantCulture, out var parsedBytes)) + { + return parsedBytes; + } + } + + return null; + } + private void SetSize(InternalMediaInfoResult data, MediaInfo info) { if (data.Format != null) @@ -1129,7 +1230,7 @@ namespace MediaBrowser.MediaEncoding.Probing return null; } - return value.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries) + return value.Split('/', StringSplitOptions.RemoveEmptyEntries) .Select(i => i.Trim()) .FirstOrDefault(i => !string.IsNullOrWhiteSpace(i)); } |