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/*
* Copyright (c) 2016 The WebRTC 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.
*/
#include "modules/video_coding/h264_sprop_parameter_sets.h"
#include <stddef.h>
#include <stdint.h>
#include <string>
#include <vector>
#include "rtc_base/logging.h"
#include "rtc_base/third_party/base64/base64.h"
namespace {
bool DecodeAndConvert(const std::string& base64, std::vector<uint8_t>* binary) {
return rtc::Base64::DecodeFromArray(base64.data(), base64.size(),
rtc::Base64::DO_STRICT, binary, nullptr);
}
} // namespace
namespace webrtc {
bool H264SpropParameterSets::DecodeSprop(const std::string& sprop) {
size_t separator_pos = sprop.find(',');
RTC_LOG(LS_INFO) << "Parsing sprop \"" << sprop << "\"";
if ((separator_pos <= 0) || (separator_pos >= sprop.length() - 1)) {
RTC_LOG(LS_WARNING) << "Invalid seperator position " << separator_pos
<< " *" << sprop << "*";
return false;
}
std::string sps_str = sprop.substr(0, separator_pos);
std::string pps_str = sprop.substr(separator_pos + 1, std::string::npos);
if (!DecodeAndConvert(sps_str, &sps_)) {
RTC_LOG(LS_WARNING) << "Failed to decode sprop/sps *" << sprop << "*";
return false;
}
if (!DecodeAndConvert(pps_str, &pps_)) {
RTC_LOG(LS_WARNING) << "Failed to decode sprop/pps *" << sprop << "*";
return false;
}
return true;
}
} // namespace webrtc