syntax = "proto3";

package tv.make.api;

option go_package = "git.ltnglobal.com/make.tv/genproto/api;api";

import "google/protobuf/timestamp.proto";

message StreamMapping {
  enum FallbackRule {
    UNKNOWN  = 0;
    DROP_ALL = 1;
    KEEP_ALL = 2;
  }

  // Whether or not the defined rules are applied.
  bool enabled = 1;

  // List of the applied rules.
  repeated StreamMappingRule rules = 2;

  // List of applied connections.
  //
  // [Read-Only]
  repeated StreamConnection connections = 6;

  // The rule which is applies for the streams that are not touched by any other rule.
  FallbackRule fallback_rule = 3;

  // When has this mapping been modified.
  //
  // Output only.
  google.protobuf.Timestamp update_time = 4;

  // When has this mapping been created.
  //
  // Output only.
  google.protobuf.Timestamp create_time = 5;
}

message StreamMappingRule {
  // Type of the incoming stream selector.
  oneof source_config {
    // PID for the MPEG-TS Stream, used in combination with PID `in_type`
    int32 source_pid = 1;

    // Order of the video stream in PMT (program map table).
    // Starts from zero, can be negative .
    // Negative values means counting from the end of the table. Last video is encoded as -1`
    int32 source_video_index = 2;

    // Order of the audio stream in PMT.
    // Starts from zero, can be negative.
    // Negative values means counting from the end of the table. Last audio is encoded as -1.
    int32 source_audio_index = 3;

    // Order of the metadata stream in PMT.
    // Starts from zero, can be negative.
    // Negative values means counting from the end of the table. Last metadata is encoded as -1.
    int32 source_metadata_index = 4;
  }

  // Type of the target stream mapper.
  oneof target_config {
    // PID of the outgoing stream.
    int32 target_pid = 5;

    // Keep stream.
    bool target_keep = 6;

    // Drop stream.
    bool target_drop = 7;
  }
}

message StreamConnection {
  // Source of a stream.
  //
  // [Read-Only]
  int32 source_pid = 1;

  // Target of a stream.
  //
  // [Read-Only]
  oneof target_config {
    // PID of the outgoing stream.
    int32 target_pid = 2;

    // Keep stream.
    bool target_keep = 3;

    // Drop stream.
    bool target_drop = 4;
  }

  // Rule which led to a connection.
  oneof reference {
    // Index of the StreamMappingRule.
    //
    // [Read-Only]
    int32 rule_index = 5;

    // If set, the fallback rule was the reason for this connection.
    //
    // [Read-Only]
    bool fallback = 6;
  }

  // Stream type of the connection.
  //
  // [Read-Only]
  //
  // See: https://en.wikipedia.org/wiki/Program-specific_information#Elementary_stream_types
  //
  // Examples:
  // 	1:   "ISO/IEC 11172-2 (MPEG-1 video) in a packetized stream" (Video)
  //	2:   "ITU-T Rec. H.262 and ISO/IEC 13818-2 (MPEG-2 higher rate interlaced video) in a packetized stream" (Audio)
  //	3:   "ISO/IEC 11172-3 (MPEG-1 audio) in a packetized stream" (Audio)
  //	4:   "ISO/IEC 13818-3 (MPEG-2 halved sample rate audio) in a packetized stream" (Audio)
  //	14:  "ISO/IEC 13818-1 auxiliary data in a packetized stream" (Metadata)
  //	15:  "ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio) in a packetized stream" (Audio)
  //	16:  "ISO/IEC 14496-2 (MPEG-4 H.263 based video) in a packetized stream" (Video)
  //	17:  "ISO/IEC 14496-3 (MPEG-4 LOAS multi-format framed audio) in a packetized stream" (Audio)
  //	21:  "Packetized metadata" (Metadata)
  //	22:  "Sectioned metadata" (Metadata)
  //	27:  "ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video) in a packetized stream" (Video)
  //	28:  "ISO/IEC 14496-3 (MPEG-4 raw audio) in a packetized stream" (Audio)
  //	33:  "ITU-T Rec. T.800 and ISO/IEC 15444 (JPEG 2000 video) in a packetized stream" (Video)
  //	36:  "ITU-T Rec. H.265 and ISO/IEC 23008-2 (Ultra HD video) in a packetized stream" (Video)
  //	66:  "Chinese Video Standard in a packetized stream" (Video)
  //	129: "Dolby Digital (AC-3) up to six channel audio for ATSC and Blu-ray in a packetized stream" (Audio)
  //	130: "SCTE subtitle or DTS 6 channel audio for Blu-ray in a packetized stream" (Metadata)
  //	131: "Dolby TrueHD lossless audio for Blu-ray in a packetized stream" (Audio)
  //	132: "Dolby Digital Plus (enhanced AC-3) up to 16 channel audio for Blu-ray in a packetized stream" (Audio)
  //	133: "DTS 8 channel audio for Blu-ray in a packetized stream" (Audio)
  //	134: "SCTE-35 digital program insertion cue message or DTS 8 channel lossless audio for Blu-ray in a packetized stream" (Metadata)
  //	135: "Dolby Digital Plus (enhanced AC-3) up to 16 channel audio for ATSC in a packetized stream" (Audio)
  //	144: "Blu-ray Presentation Graphic Stream (subtitling) in a packetized stream" (Metadata)
  //	193: "Dolby Digital (AC-3) up to six channel audio with AES-128-CBC data encryption in a packetized stream" (Audio)
  //	194: "ATSC DSM CC synchronous data or Dolby Digital Plus up to 16 channel audio with AES-128-CBC data encryption in a packetized stream" (Audio)
  //	207: "ISO/IEC 13818-7 ADTS AAC with AES-128-CBC frame encryption in a packetized stream", (Audio)
  //	209: "BBC Dirac (Ultra HD video) in a packetized stream" (Video)
  //	219: "ITU-T Rec. H.264 and ISO/IEC 14496-10 with AES-128-CBC slice encryption in a packetized stream" (Video),
  //	234: "Microsoft Windows Media Video 9 (lower bit-rate video) in a packetized stream" (Video)
  int32 pes_type = 7;

  // If a mapping could not be applied, then this will provide a short description.
  //
  // [Read-Only]
  string error = 8;
}