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[fix] fix h264 rtp packet parse

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This commit is contained in:
dijunkun
2025-01-24 17:54:54 +08:00
parent 7b839ab773
commit 2d5749f93a
10 changed files with 253 additions and 54 deletions
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22
src/rtp/rtp_packet/rtp_packet_h264.cpp
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@@ -5,16 +5,30 @@ RtpPacketH264::RtpPacketH264() {}
RtpPacketH264::~RtpPacketH264() {}
bool RtpPacketH264::GetFrameHeaderInfo() {
if (fu_info_got_) {
return true;
}
const uint8_t* frame_buffer = Payload();
fu_indicator_.forbidden_bit = (frame_buffer[0] >> 7) & 0x01;
fu_indicator_.nal_reference_idc = (frame_buffer[0] >> 5) & 0x03;
fu_indicator_.nal_unit_type = frame_buffer[0] & 0x1F;
fu_header_.start = (frame_buffer[1] >> 7) & 0x01;
fu_header_.end = (frame_buffer[1] >> 6) & 0x01;
fu_header_.remain_bit = (frame_buffer[1] >> 5) & 0x01;
fu_header_.nal_unit_type = frame_buffer[1] & 0x1F;
if (rtp::NAL_UNIT_TYPE::NALU == fu_indicator_.nal_unit_type) {
add_offset_to_payload(1);
LOG_ERROR("2 [{} {} {}]", (int)fu_indicator_.forbidden_bit,
(int)fu_indicator_.nal_reference_idc,
(int)fu_indicator_.nal_unit_type);
} else if (rtp::NAL_UNIT_TYPE::FU_A == fu_indicator_.nal_unit_type) {
fu_header_.start = (frame_buffer[1] >> 7) & 0x01;
fu_header_.end = (frame_buffer[1] >> 6) & 0x01;
fu_header_.remain_bit = (frame_buffer[1] >> 5) & 0x01;
fu_header_.nal_unit_type = frame_buffer[1] & 0x1F;
add_offset_to_payload(2);
}
fu_info_got_ = true;
return true;
}