Add a new incremental parsing API

Change-Id: I6b921766836d58df0281fb23b2add3f62a478e14

webm_parser/src/colour_parser.h

@@ -0,0 +1,55 @@
+// Copyright (c) 2016 The WebM project authors. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS.  All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+#ifndef SRC_COLOUR_PARSER_H_
+#define SRC_COLOUR_PARSER_H_
+
+#include "src/int_parser.h"
+#include "src/master_value_parser.h"
+#include "src/mastering_metadata_parser.h"
+#include "webm/dom_types.h"
+#include "webm/id.h"
+
+namespace webm {
+
+// Spec reference:
+// http://matroska.org/technical/specs/index.html#Colour
+// http://www.webmproject.org/docs/container/#Colour
+class ColourParser : public MasterValueParser<Colour> {
+ public:
+  ColourParser()
+      : MasterValueParser<Colour>(
+            MakeChild<IntParser<MatrixCoefficients>>(
+                Id::kMatrixCoefficients, &Colour::matrix_coefficients),
+            MakeChild<UnsignedIntParser>(Id::kBitsPerChannel,
+                                         &Colour::bits_per_channel),
+            MakeChild<UnsignedIntParser>(Id::kChromaSubsamplingHorz,
+                                         &Colour::chroma_subsampling_x),
+            MakeChild<UnsignedIntParser>(Id::kChromaSubsamplingVert,
+                                         &Colour::chroma_subsampling_y),
+            MakeChild<UnsignedIntParser>(Id::kCbSubsamplingHorz,
+                                         &Colour::cb_subsampling_x),
+            MakeChild<UnsignedIntParser>(Id::kCbSubsamplingVert,
+                                         &Colour::cb_subsampling_y),
+            MakeChild<UnsignedIntParser>(Id::kChromaSitingHorz,
+                                         &Colour::chroma_siting_x),
+            MakeChild<UnsignedIntParser>(Id::kChromaSitingVert,
+                                         &Colour::chroma_siting_y),
+            MakeChild<IntParser<Range>>(Id::kRange, &Colour::range),
+            MakeChild<IntParser<TransferCharacteristics>>(
+                Id::kTransferCharacteristics,
+                &Colour::transfer_characteristics),
+            MakeChild<IntParser<Primaries>>(Id::kPrimaries, &Colour::primaries),
+            MakeChild<UnsignedIntParser>(Id::kMaxCll, &Colour::max_cll),
+            MakeChild<UnsignedIntParser>(Id::kMaxFall, &Colour::max_fall),
+            MakeChild<MasteringMetadataParser>(Id::kMasteringMetadata,
+                                               &Colour::mastering_metadata)) {}
+};
+
+}  // namespace webm
+
+#endif  // SRC_COLOUR_PARSER_H_