media_info.proto protobuf for MpdBuilder

TEST=compiles

Change-Id: I4a67013f7770f8ce41426be527919cd969894d50

mpd/base/media_info.proto

@@ -0,0 +1,71 @@
+// This file defines the protocol between Muxer and classes for generating MPD
+// files.
+
+syntax = "proto2";
+
+option optimize_for = LITE_RUNTIME;
+
+package dash_packager;
+
+message Range {
+  optional uint64 begin = 1;
+  optional uint64 end = 2;
+}
+
+message MediaInfo {
+  message VideoInfo {
+    optional string codec = 1;
+    optional uint32 width = 2;
+    optional uint32 height = 3;
+
+    // Relative to |time_scale|. IOW |time_scale| / |frame_duration| is the
+    // framerate.
+    optional uint64 frame_duration = 4;
+
+    optional bytes decoder_config = 5;
+  }
+
+  message AudioInfo {
+    optional string codec = 1;
+    optional uint32 sampling_frequency = 2;
+    optional uint32 num_channels = 3;
+    optional string language = 4;
+    optional bytes decoder_config = 5;
+  }
+
+  message TextInfo {
+    optional string format = 1;
+    optional string language = 2;
+  }
+
+  message ContentProtection {
+    optional bytes key_id = 1;
+    optional bytes pssh = 2;
+  }
+
+  optional uint32 bandwidth = 1;
+  optional uint32 time_scale = 2;
+  repeated VideoInfo video_info = 3;
+  repeated AudioInfo audio_info = 4;
+  repeated TextInfo text_info = 5;
+  repeated ContentProtection content_protections = 6;
+
+  // VOD only.
+  optional Range init_range = 7;
+  optional Range index_range = 8;
+  optional string media_file_name = 9;
+
+  // This value is relative to |time_scale|.
+  optional uint64 media_duration = 10;
+  // END VOD only.
+
+  // LIVE only.
+  optional string init_segment_name = 11;
+  optional string segment_template = 12;
+
+  // This value is the user input “segment duration”.
+  // This value is not necessarily the same as the value passed to
+  // MpdNotifier::NotifyNewSegment().
+  optional uint64 segment_duration = 13;
+  // END LIVE only.
+}

mpd/mpd.gyp

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+# GYP file for any MPD generation targets.
+
+{
+  'targets': [
+    {
+      'target_name': 'media_info_proto',
+
+      'type': 'static_library',
+      'sources': [
+        'base/media_info.proto',
+      ],
+      'variables': {
+        'proto_in_dir': 'base',
+        'proto_out_dir': 'mpd/base',
+      },
+      'includes': ['../build/protoc.gypi'],
+    },
+  ],
+}