1 /* 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_H264_SPS_PARSER_H_ 12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_H264_SPS_PARSER_H_ 13 14 #include "webrtc/base/common.h" 15 16 namespace webrtc { 17 18 // A class for parsing out sequence parameter set (SPS) data from an H264 NALU. 19 // Currently, only resolution is read without being ignored. 20 class H264SpsParser { 21 public: 22 H264SpsParser(const uint8_t* sps, size_t byte_length); 23 // Parses the SPS to completion. Returns true if the SPS was parsed correctly. 24 bool Parse(); width()25 uint16_t width() { return width_; } height()26 uint16_t height() { return height_; } 27 28 private: 29 const uint8_t* const sps_; 30 const size_t byte_length_; 31 32 uint16_t width_; 33 uint16_t height_; 34 }; 35 36 } // namespace webrtc 37 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_H264_SPS_PARSER_H_ 38