johan | b0a1111 | 2016-12-08 03:57:17 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016 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 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 11 | #include "modules/video_coding/h264_sprop_parameter_sets.h" |
johan | b0a1111 | 2016-12-08 03:57:17 -0800 | [diff] [blame] | 12 | |
Yves Gerey | 3e70781 | 2018-11-28 16:47:49 +0100 | [diff] [blame] | 13 | #include <stddef.h> |
| 14 | #include <stdint.h> |
Jonas Olsson | a4d8737 | 2019-07-05 19:08:33 +0200 | [diff] [blame] | 15 | |
johan | b0a1111 | 2016-12-08 03:57:17 -0800 | [diff] [blame] | 16 | #include <string> |
| 17 | #include <vector> |
| 18 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 19 | #include "rtc_base/logging.h" |
Artem Titov | a76af0c | 2018-07-23 17:38:12 +0200 | [diff] [blame] | 20 | #include "rtc_base/third_party/base64/base64.h" |
johan | b0a1111 | 2016-12-08 03:57:17 -0800 | [diff] [blame] | 21 | |
| 22 | namespace { |
| 23 | |
| 24 | bool DecodeAndConvert(const std::string& base64, std::vector<uint8_t>* binary) { |
johan | e2ec7c2 | 2016-12-14 06:08:33 -0800 | [diff] [blame] | 25 | return rtc::Base64::DecodeFromArray(base64.data(), base64.size(), |
| 26 | rtc::Base64::DO_STRICT, binary, nullptr); |
johan | b0a1111 | 2016-12-08 03:57:17 -0800 | [diff] [blame] | 27 | } |
| 28 | } // namespace |
| 29 | |
| 30 | namespace webrtc { |
| 31 | |
| 32 | bool H264SpropParameterSets::DecodeSprop(const std::string& sprop) { |
| 33 | size_t separator_pos = sprop.find(','); |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 34 | RTC_LOG(LS_INFO) << "Parsing sprop \"" << sprop << "\""; |
johan | b0a1111 | 2016-12-08 03:57:17 -0800 | [diff] [blame] | 35 | if ((separator_pos <= 0) || (separator_pos >= sprop.length() - 1)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 36 | RTC_LOG(LS_WARNING) << "Invalid seperator position " << separator_pos |
| 37 | << " *" << sprop << "*"; |
johan | b0a1111 | 2016-12-08 03:57:17 -0800 | [diff] [blame] | 38 | return false; |
| 39 | } |
| 40 | std::string sps_str = sprop.substr(0, separator_pos); |
| 41 | std::string pps_str = sprop.substr(separator_pos + 1, std::string::npos); |
| 42 | if (!DecodeAndConvert(sps_str, &sps_)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 43 | RTC_LOG(LS_WARNING) << "Failed to decode sprop/sps *" << sprop << "*"; |
johan | b0a1111 | 2016-12-08 03:57:17 -0800 | [diff] [blame] | 44 | return false; |
| 45 | } |
| 46 | if (!DecodeAndConvert(pps_str, &pps_)) { |
Mirko Bonadei | 675513b | 2017-11-09 11:09:25 +0100 | [diff] [blame] | 47 | RTC_LOG(LS_WARNING) << "Failed to decode sprop/pps *" << sprop << "*"; |
johan | b0a1111 | 2016-12-08 03:57:17 -0800 | [diff] [blame] | 48 | return false; |
| 49 | } |
| 50 | return true; |
| 51 | } |
| 52 | |
| 53 | } // namespace webrtc |