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jellyfin/MediaBrowser.Model/Dlna/ConditionProcessor.cs

282 lines
12 KiB

using System;
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using System.Globalization;
using MediaBrowser.Model.Extensions;
using MediaBrowser.Model.MediaInfo;
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namespace MediaBrowser.Model.Dlna
{
public static class ConditionProcessor
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{
public static bool IsVideoConditionSatisfied(
ProfileCondition condition,
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int? width,
int? height,
int? videoBitDepth,
int? videoBitrate,
string videoProfile,
double? videoLevel,
float? videoFramerate,
int? packetLength,
TransportStreamTimestamp? timestamp,
bool? isAnamorphic,
bool? isInterlaced,
int? refFrames,
int? numVideoStreams,
int? numAudioStreams,
string videoCodecTag,
bool? isAvc)
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{
switch (condition.Property)
{
case ProfileConditionValue.IsInterlaced:
return IsConditionSatisfied(condition, isInterlaced);
case ProfileConditionValue.IsAnamorphic:
return IsConditionSatisfied(condition, isAnamorphic);
case ProfileConditionValue.IsAvc:
return IsConditionSatisfied(condition, isAvc);
case ProfileConditionValue.VideoFramerate:
return IsConditionSatisfied(condition, videoFramerate);
case ProfileConditionValue.VideoLevel:
return IsConditionSatisfied(condition, videoLevel);
case ProfileConditionValue.VideoProfile:
return IsConditionSatisfied(condition, videoProfile);
case ProfileConditionValue.VideoCodecTag:
return IsConditionSatisfied(condition, videoCodecTag);
case ProfileConditionValue.PacketLength:
return IsConditionSatisfied(condition, packetLength);
case ProfileConditionValue.VideoBitDepth:
return IsConditionSatisfied(condition, videoBitDepth);
case ProfileConditionValue.VideoBitrate:
return IsConditionSatisfied(condition, videoBitrate);
case ProfileConditionValue.Height:
return IsConditionSatisfied(condition, height);
case ProfileConditionValue.Width:
return IsConditionSatisfied(condition, width);
case ProfileConditionValue.RefFrames:
return IsConditionSatisfied(condition, refFrames);
case ProfileConditionValue.NumAudioStreams:
return IsConditionSatisfied(condition, numAudioStreams);
case ProfileConditionValue.NumVideoStreams:
return IsConditionSatisfied(condition, numVideoStreams);
case ProfileConditionValue.VideoTimestamp:
return IsConditionSatisfied(condition, timestamp);
default:
return true;
}
}
public static bool IsImageConditionSatisfied(ProfileCondition condition, int? width, int? height)
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{
switch (condition.Property)
{
case ProfileConditionValue.Height:
return IsConditionSatisfied(condition, height);
case ProfileConditionValue.Width:
return IsConditionSatisfied(condition, width);
default:
throw new ArgumentException("Unexpected condition on image file: " + condition.Property);
}
}
public static bool IsAudioConditionSatisfied(ProfileCondition condition, int? audioChannels, int? audioBitrate, int? audioSampleRate, int? audioBitDepth)
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{
switch (condition.Property)
{
case ProfileConditionValue.AudioBitrate:
return IsConditionSatisfied(condition, audioBitrate);
case ProfileConditionValue.AudioChannels:
return IsConditionSatisfied(condition, audioChannels);
case ProfileConditionValue.AudioSampleRate:
return IsConditionSatisfied(condition, audioSampleRate);
case ProfileConditionValue.AudioBitDepth:
return IsConditionSatisfied(condition, audioBitDepth);
default:
throw new ArgumentException("Unexpected condition on audio file: " + condition.Property);
}
}
public static bool IsVideoAudioConditionSatisfied(
ProfileCondition condition,
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int? audioChannels,
int? audioBitrate,
int? audioSampleRate,
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int? audioBitDepth,
string audioProfile,
bool? isSecondaryTrack)
{
switch (condition.Property)
{
case ProfileConditionValue.AudioProfile:
return IsConditionSatisfied(condition, audioProfile);
case ProfileConditionValue.AudioBitrate:
return IsConditionSatisfied(condition, audioBitrate);
case ProfileConditionValue.AudioChannels:
return IsConditionSatisfied(condition, audioChannels);
case ProfileConditionValue.IsSecondaryAudio:
return IsConditionSatisfied(condition, isSecondaryTrack);
case ProfileConditionValue.AudioSampleRate:
return IsConditionSatisfied(condition, audioSampleRate);
case ProfileConditionValue.AudioBitDepth:
return IsConditionSatisfied(condition, audioBitDepth);
default:
throw new ArgumentException("Unexpected condition on audio file: " + condition.Property);
}
}
private static bool IsConditionSatisfied(ProfileCondition condition, int? currentValue)
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{
if (!currentValue.HasValue)
{
// If the value is unknown, it satisfies if not marked as required
return !condition.IsRequired;
}
if (int.TryParse(condition.Value, NumberStyles.Any, CultureInfo.InvariantCulture, out var expected))
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{
switch (condition.Condition)
{
case ProfileConditionType.Equals:
case ProfileConditionType.EqualsAny:
return currentValue.Value.Equals(expected);
case ProfileConditionType.GreaterThanEqual:
return currentValue.Value >= expected;
case ProfileConditionType.LessThanEqual:
return currentValue.Value <= expected;
case ProfileConditionType.NotEquals:
return !currentValue.Value.Equals(expected);
default:
throw new InvalidOperationException("Unexpected ProfileConditionType: " + condition.Condition);
}
}
return false;
}
private static bool IsConditionSatisfied(ProfileCondition condition, string currentValue)
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{
if (string.IsNullOrEmpty(currentValue))
{
// If the value is unknown, it satisfies if not marked as required
return !condition.IsRequired;
}
string expected = condition.Value;
switch (condition.Condition)
{
case ProfileConditionType.EqualsAny:
{
return ListHelper.ContainsIgnoreCase(expected.Split('|'), currentValue);
}
case ProfileConditionType.Equals:
return StringHelper.EqualsIgnoreCase(currentValue, expected);
case ProfileConditionType.NotEquals:
return !StringHelper.EqualsIgnoreCase(currentValue, expected);
default:
throw new InvalidOperationException("Unexpected ProfileConditionType: " + condition.Condition);
}
}
private static bool IsConditionSatisfied(ProfileCondition condition, bool? currentValue)
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{
if (!currentValue.HasValue)
{
// If the value is unknown, it satisfies if not marked as required
return !condition.IsRequired;
}
if (bool.TryParse(condition.Value, out var expected))
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{
switch (condition.Condition)
{
case ProfileConditionType.Equals:
return currentValue.Value == expected;
case ProfileConditionType.NotEquals:
return currentValue.Value != expected;
default:
throw new InvalidOperationException("Unexpected ProfileConditionType: " + condition.Condition);
}
}
return false;
}
private static bool IsConditionSatisfied(ProfileCondition condition, float currentValue)
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{
if (currentValue <= 0)
{
// If the value is unknown, it satisfies if not marked as required
return !condition.IsRequired;
}
if (float.TryParse(condition.Value, NumberStyles.Any, CultureInfo.InvariantCulture, out var expected))
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{
switch (condition.Condition)
{
case ProfileConditionType.Equals:
return currentValue.Equals(expected);
case ProfileConditionType.GreaterThanEqual:
return currentValue >= expected;
case ProfileConditionType.LessThanEqual:
return currentValue <= expected;
case ProfileConditionType.NotEquals:
return !currentValue.Equals(expected);
default:
throw new InvalidOperationException("Unexpected ProfileConditionType: " + condition.Condition);
}
}
return false;
}
private static bool IsConditionSatisfied(ProfileCondition condition, double? currentValue)
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{
if (!currentValue.HasValue)
{
// If the value is unknown, it satisfies if not marked as required
return !condition.IsRequired;
}
if (double.TryParse(condition.Value, NumberStyles.Any, CultureInfo.InvariantCulture, out var expected))
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{
switch (condition.Condition)
{
case ProfileConditionType.Equals:
return currentValue.Value.Equals(expected);
case ProfileConditionType.GreaterThanEqual:
return currentValue.Value >= expected;
case ProfileConditionType.LessThanEqual:
return currentValue.Value <= expected;
case ProfileConditionType.NotEquals:
return !currentValue.Value.Equals(expected);
default:
throw new InvalidOperationException("Unexpected ProfileConditionType: " + condition.Condition);
}
}
return false;
}
private static bool IsConditionSatisfied(ProfileCondition condition, TransportStreamTimestamp? timestamp)
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{
if (!timestamp.HasValue)
{
// If the value is unknown, it satisfies if not marked as required
return !condition.IsRequired;
}
var expected = (TransportStreamTimestamp)Enum.Parse(typeof(TransportStreamTimestamp), condition.Value, true);
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switch (condition.Condition)
{
case ProfileConditionType.Equals:
return timestamp == expected;
case ProfileConditionType.NotEquals:
return timestamp != expected;
default:
throw new InvalidOperationException("Unexpected ProfileConditionType: " + condition.Condition);
}
}
}
}