mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-26 04:31:37 +08:00
134 lines
3.2 KiB
C++
134 lines
3.2 KiB
C++
#include "HSExt.hpp"
|
|
|
|
namespace SRT {
|
|
|
|
bool HSExtMessage::loadFromData(uint8_t *buf, size_t len) {
|
|
if (buf == NULL || len != HSEXT_MSG_SIZE) {
|
|
return false;
|
|
}
|
|
|
|
_data = BufferRaw::create();
|
|
_data->assign((char *)buf, len);
|
|
extension_length = 3;
|
|
HSExt::loadHeader();
|
|
|
|
assert(extension_type == SRT_CMD_HSREQ || extension_type == SRT_CMD_HSRSP);
|
|
|
|
uint8_t *ptr = (uint8_t *)_data->data() + 4;
|
|
srt_version = loadUint32(ptr);
|
|
ptr += 4;
|
|
|
|
srt_flag = loadUint32(ptr);
|
|
ptr += 4;
|
|
|
|
recv_tsbpd_delay = loadUint16(ptr);
|
|
ptr += 2;
|
|
|
|
send_tsbpd_delay = loadUint16(ptr);
|
|
ptr += 2;
|
|
|
|
return true;
|
|
}
|
|
|
|
std::string HSExtMessage::dump() {
|
|
_StrPrinter printer;
|
|
printer << "srt version : " << std::hex << srt_version << " srt flag : " << std::hex << srt_flag
|
|
<< " recv_tsbpd_delay=" << recv_tsbpd_delay << " send_tsbpd_delay = " << send_tsbpd_delay;
|
|
return std::move(printer);
|
|
}
|
|
|
|
bool HSExtMessage::storeToData() {
|
|
_data = BufferRaw::create();
|
|
_data->setCapacity(HSEXT_MSG_SIZE);
|
|
_data->setSize(HSEXT_MSG_SIZE);
|
|
extension_length = 3;
|
|
HSExt::storeHeader();
|
|
uint8_t *ptr = (uint8_t *)_data->data() + 4;
|
|
|
|
storeUint32(ptr, srt_version);
|
|
ptr += 4;
|
|
|
|
storeUint32(ptr, srt_flag);
|
|
ptr += 4;
|
|
|
|
storeUint16(ptr, recv_tsbpd_delay);
|
|
ptr += 2;
|
|
|
|
storeUint16(ptr, send_tsbpd_delay);
|
|
ptr += 2;
|
|
return true;
|
|
}
|
|
|
|
bool HSExtStreamID::loadFromData(uint8_t *buf, size_t len) {
|
|
if (buf == NULL || len < 4) {
|
|
return false;
|
|
}
|
|
_data = BufferRaw::create();
|
|
_data->assign((char *)buf, len);
|
|
|
|
HSExt::loadHeader();
|
|
|
|
size_t content_size = extension_length * 4;
|
|
if (len < content_size + 4) {
|
|
return false;
|
|
}
|
|
streamid.clear();
|
|
char *ptr = _data->data() + 4;
|
|
|
|
for (size_t i = 0; i < extension_length; ++i) {
|
|
streamid.push_back(*(ptr + 3));
|
|
streamid.push_back(*(ptr + 2));
|
|
streamid.push_back(*(ptr + 1));
|
|
streamid.push_back(*(ptr));
|
|
ptr += 4;
|
|
}
|
|
char zero = 0x00;
|
|
if (streamid.back() == zero) {
|
|
streamid.erase(streamid.find_first_of(zero), streamid.size());
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool HSExtStreamID::storeToData() {
|
|
size_t content_size = ((streamid.length() + 4) + 3) / 4 * 4;
|
|
|
|
_data = BufferRaw::create();
|
|
_data->setCapacity(content_size);
|
|
_data->setSize(content_size);
|
|
extension_length = (content_size - 4) / 4;
|
|
extension_type = SRT_CMD_SID;
|
|
HSExt::storeHeader();
|
|
auto ptr = _data->data() + 4;
|
|
memset(ptr, 0, extension_length * 4);
|
|
const char *src = streamid.c_str();
|
|
for (size_t i = 0; i < streamid.length() / 4; ++i) {
|
|
*ptr = *(src + 3 + i * 4);
|
|
ptr++;
|
|
|
|
*ptr = *(src + 2 + i * 4);
|
|
ptr++;
|
|
|
|
*ptr = *(src + 1 + i * 4);
|
|
ptr++;
|
|
|
|
*ptr = *(src + 0 + i * 4);
|
|
ptr++;
|
|
}
|
|
|
|
ptr += 3;
|
|
size_t offset = streamid.length() / 4 * 4;
|
|
for (size_t i = 0; i < streamid.length() % 4; ++i) {
|
|
*ptr = *(src + offset + i);
|
|
ptr -= 1;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
std::string HSExtStreamID::dump() {
|
|
_StrPrinter printer;
|
|
printer << " streamid : " << streamid;
|
|
return std::move(printer);
|
|
}
|
|
|
|
} // namespace SRT
|