diff options
Diffstat (limited to 'Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs')
| -rw-r--r-- | Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs | 295 |
1 files changed, 154 insertions, 141 deletions
diff --git a/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs b/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs index a5369c441..995488397 100644 --- a/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs +++ b/Jellyfin.Api/Helpers/HlsCodecStringHelpers.cs @@ -2,168 +2,181 @@ using System.Globalization; using System.Text; -namespace Jellyfin.Api.Helpers +namespace Jellyfin.Api.Helpers; + +/// <summary> +/// Hls Codec string helpers. +/// </summary> +public static class HlsCodecStringHelpers { /// <summary> - /// Hls Codec string helpers. + /// Codec name for MP3. + /// </summary> + public const string MP3 = "mp4a.40.34"; + + /// <summary> + /// Codec name for AC-3. + /// </summary> + public const string AC3 = "mp4a.a5"; + + /// <summary> + /// Codec name for E-AC-3. + /// </summary> + public const string EAC3 = "mp4a.a6"; + + /// <summary> + /// Codec name for FLAC. /// </summary> - public static class HlsCodecStringHelpers + public const string FLAC = "flac"; + + /// <summary> + /// Codec name for ALAC. + /// </summary> + public const string ALAC = "alac"; + + /// <summary> + /// Codec name for OPUS. + /// </summary> + public const string OPUS = "opus"; + + /// <summary> + /// Gets a MP3 codec string. + /// </summary> + /// <returns>MP3 codec string.</returns> + public static string GetMP3String() { - /// <summary> - /// Codec name for MP3. - /// </summary> - public const string MP3 = "mp4a.40.34"; - - /// <summary> - /// Codec name for AC-3. - /// </summary> - public const string AC3 = "mp4a.a5"; - - /// <summary> - /// Codec name for E-AC-3. - /// </summary> - public const string EAC3 = "mp4a.a6"; - - /// <summary> - /// Codec name for FLAC. - /// </summary> - public const string FLAC = "fLaC"; - - /// <summary> - /// Codec name for ALAC. - /// </summary> - public const string ALAC = "alac"; - - /// <summary> - /// Gets a MP3 codec string. - /// </summary> - /// <returns>MP3 codec string.</returns> - public static string GetMP3String() + return MP3; + } + + /// <summary> + /// Gets an AAC codec string. + /// </summary> + /// <param name="profile">AAC profile.</param> + /// <returns>AAC codec string.</returns> + public static string GetAACString(string? profile) + { + StringBuilder result = new StringBuilder("mp4a", 9); + + if (string.Equals(profile, "HE", StringComparison.OrdinalIgnoreCase)) { - return MP3; + result.Append(".40.5"); } - - /// <summary> - /// Gets an AAC codec string. - /// </summary> - /// <param name="profile">AAC profile.</param> - /// <returns>AAC codec string.</returns> - public static string GetAACString(string? profile) + else { - StringBuilder result = new StringBuilder("mp4a", 9); - - if (string.Equals(profile, "HE", StringComparison.OrdinalIgnoreCase)) - { - result.Append(".40.5"); - } - else - { - // Default to LC if profile is invalid - result.Append(".40.2"); - } - - return result.ToString(); + // Default to LC if profile is invalid + result.Append(".40.2"); } - /// <summary> - /// Gets an AC-3 codec string. - /// </summary> - /// <returns>AC-3 codec string.</returns> - public static string GetAC3String() + return result.ToString(); + } + + /// <summary> + /// Gets an AC-3 codec string. + /// </summary> + /// <returns>AC-3 codec string.</returns> + public static string GetAC3String() + { + return AC3; + } + + /// <summary> + /// Gets an E-AC-3 codec string. + /// </summary> + /// <returns>E-AC-3 codec string.</returns> + public static string GetEAC3String() + { + return EAC3; + } + + /// <summary> + /// Gets an FLAC codec string. + /// </summary> + /// <returns>FLAC codec string.</returns> + public static string GetFLACString() + { + return FLAC; + } + + /// <summary> + /// Gets an ALAC codec string. + /// </summary> + /// <returns>ALAC codec string.</returns> + public static string GetALACString() + { + return ALAC; + } + + /// <summary> + /// Gets an OPUS codec string. + /// </summary> + /// <returns>OPUS codec string.</returns> + public static string GetOPUSString() + { + return OPUS; + } + + /// <summary> + /// Gets a H.264 codec string. + /// </summary> + /// <param name="profile">H.264 profile.</param> + /// <param name="level">H.264 level.</param> + /// <returns>H.264 string.</returns> + public static string GetH264String(string? profile, int level) + { + StringBuilder result = new StringBuilder("avc1", 11); + + if (string.Equals(profile, "high", StringComparison.OrdinalIgnoreCase)) { - return AC3; + result.Append(".6400"); } - - /// <summary> - /// Gets an E-AC-3 codec string. - /// </summary> - /// <returns>E-AC-3 codec string.</returns> - public static string GetEAC3String() + else if (string.Equals(profile, "main", StringComparison.OrdinalIgnoreCase)) { - return EAC3; + result.Append(".4D40"); } - - /// <summary> - /// Gets an FLAC codec string. - /// </summary> - /// <returns>FLAC codec string.</returns> - public static string GetFLACString() + else if (string.Equals(profile, "baseline", StringComparison.OrdinalIgnoreCase)) { - return FLAC; + result.Append(".42E0"); } - - /// <summary> - /// Gets an ALAC codec string. - /// </summary> - /// <returns>ALAC codec string.</returns> - public static string GetALACString() + else { - return ALAC; + // Default to constrained baseline if profile is invalid + result.Append(".4240"); } - /// <summary> - /// Gets a H.264 codec string. - /// </summary> - /// <param name="profile">H.264 profile.</param> - /// <param name="level">H.264 level.</param> - /// <returns>H.264 string.</returns> - public static string GetH264String(string? profile, int level) + string levelHex = level.ToString("X2", CultureInfo.InvariantCulture); + result.Append(levelHex); + + return result.ToString(); + } + + /// <summary> + /// Gets a H.265 codec string. + /// </summary> + /// <param name="profile">H.265 profile.</param> + /// <param name="level">H.265 level.</param> + /// <returns>H.265 string.</returns> + public static string GetH265String(string? profile, int level) + { + // The h265 syntax is a bit of a mystery at the time this comment was written. + // This is what I've found through various sources: + // FORMAT: [codecTag].[profile].[constraint?].L[level * 30].[UNKNOWN] + StringBuilder result = new StringBuilder("hvc1", 16); + + if (string.Equals(profile, "main10", StringComparison.OrdinalIgnoreCase) + || string.Equals(profile, "main 10", StringComparison.OrdinalIgnoreCase)) { - StringBuilder result = new StringBuilder("avc1", 11); - - if (string.Equals(profile, "high", StringComparison.OrdinalIgnoreCase)) - { - result.Append(".6400"); - } - else if (string.Equals(profile, "main", StringComparison.OrdinalIgnoreCase)) - { - result.Append(".4D40"); - } - else if (string.Equals(profile, "baseline", StringComparison.OrdinalIgnoreCase)) - { - result.Append(".42E0"); - } - else - { - // Default to constrained baseline if profile is invalid - result.Append(".4240"); - } - - string levelHex = level.ToString("X2", CultureInfo.InvariantCulture); - result.Append(levelHex); - - return result.ToString(); + result.Append(".2.4"); } - - /// <summary> - /// Gets a H.265 codec string. - /// </summary> - /// <param name="profile">H.265 profile.</param> - /// <param name="level">H.265 level.</param> - /// <returns>H.265 string.</returns> - public static string GetH265String(string? profile, int level) + else { - // The h265 syntax is a bit of a mystery at the time this comment was written. - // This is what I've found through various sources: - // FORMAT: [codecTag].[profile].[constraint?].L[level * 30].[UNKNOWN] - StringBuilder result = new StringBuilder("hvc1", 16); - - if (string.Equals(profile, "main10", StringComparison.OrdinalIgnoreCase) - || string.Equals(profile, "main 10", StringComparison.OrdinalIgnoreCase)) - { - result.Append(".2.4"); - } - else - { - // Default to main if profile is invalid - result.Append(".1.4"); - } - - result.Append(".L") - .Append(level) - .Append(".B0"); - - return result.ToString(); + // Default to main if profile is invalid + result.Append(".1.4"); } + + result.Append(".L") + .Append(level) + .Append(".B0"); + + return result.ToString(); } } |