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31 lines
881 B
C++
31 lines
881 B
C++
#include "rtp_packet_h264.h"
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RtpPacketH264::RtpPacketH264() {}
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RtpPacketH264::~RtpPacketH264() {}
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bool RtpPacketH264::GetFrameHeaderInfo() {
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if (fu_info_got_) {
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return true;
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}
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const uint8_t* frame_buffer = Payload();
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fu_indicator_.forbidden_bit = (frame_buffer[0] >> 7) & 0x01;
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fu_indicator_.nal_reference_idc = (frame_buffer[0] >> 5) & 0x03;
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fu_indicator_.nal_unit_type = frame_buffer[0] & 0x1F;
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if (rtp::NAL_UNIT_TYPE::NALU == fu_indicator_.nal_unit_type) {
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add_offset_to_payload(1);
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} else if (rtp::NAL_UNIT_TYPE::FU_A == fu_indicator_.nal_unit_type) {
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fu_header_.start = (frame_buffer[1] >> 7) & 0x01;
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fu_header_.end = (frame_buffer[1] >> 6) & 0x01;
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fu_header_.remain_bit = (frame_buffer[1] >> 5) & 0x01;
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fu_header_.nal_unit_type = frame_buffer[1] & 0x1F;
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add_offset_to_payload(2);
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}
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fu_info_got_ = true;
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return true;
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} |