1*103e46e4SHarish Mahendrakar // Copyright (c) 2016 The WebM project authors. All Rights Reserved. 2*103e46e4SHarish Mahendrakar // 3*103e46e4SHarish Mahendrakar // Use of this source code is governed by a BSD-style license 4*103e46e4SHarish Mahendrakar // that can be found in the LICENSE file in the root of the source 5*103e46e4SHarish Mahendrakar // tree. An additional intellectual property rights grant can be found 6*103e46e4SHarish Mahendrakar // in the file PATENTS. All contributing project authors may 7*103e46e4SHarish Mahendrakar // be found in the AUTHORS file in the root of the source tree. 8*103e46e4SHarish Mahendrakar #ifndef SRC_VOID_PARSER_H_ 9*103e46e4SHarish Mahendrakar #define SRC_VOID_PARSER_H_ 10*103e46e4SHarish Mahendrakar 11*103e46e4SHarish Mahendrakar #include <cstdint> 12*103e46e4SHarish Mahendrakar 13*103e46e4SHarish Mahendrakar #include "src/element_parser.h" 14*103e46e4SHarish Mahendrakar #include "webm/callback.h" 15*103e46e4SHarish Mahendrakar #include "webm/reader.h" 16*103e46e4SHarish Mahendrakar #include "webm/status.h" 17*103e46e4SHarish Mahendrakar 18*103e46e4SHarish Mahendrakar namespace webm { 19*103e46e4SHarish Mahendrakar 20*103e46e4SHarish Mahendrakar // Parses a Void element by delegating to Callback::OnVoid. 21*103e46e4SHarish Mahendrakar // Spec reference: 22*103e46e4SHarish Mahendrakar // http://matroska.org/technical/specs/index.html#Void 23*103e46e4SHarish Mahendrakar // http://www.webmproject.org/docs/container/#Void 24*103e46e4SHarish Mahendrakar class VoidParser : public ElementParser { 25*103e46e4SHarish Mahendrakar public: 26*103e46e4SHarish Mahendrakar Status Init(const ElementMetadata& metadata, std::uint64_t max_size) override; 27*103e46e4SHarish Mahendrakar 28*103e46e4SHarish Mahendrakar Status Feed(Callback* callback, Reader* reader, 29*103e46e4SHarish Mahendrakar std::uint64_t* num_bytes_read) override; 30*103e46e4SHarish Mahendrakar 31*103e46e4SHarish Mahendrakar private: 32*103e46e4SHarish Mahendrakar // The metadata for this element. 33*103e46e4SHarish Mahendrakar ElementMetadata metadata_; 34*103e46e4SHarish Mahendrakar 35*103e46e4SHarish Mahendrakar // The number of bytes remaining that have not been read in the element. 36*103e46e4SHarish Mahendrakar std::uint64_t bytes_remaining_ = 0; 37*103e46e4SHarish Mahendrakar }; 38*103e46e4SHarish Mahendrakar 39*103e46e4SHarish Mahendrakar } // namespace webm 40*103e46e4SHarish Mahendrakar 41*103e46e4SHarish Mahendrakar #endif // SRC_VOID_PARSER_H_ 42