287 lines
7.7 KiB
C++
287 lines
7.7 KiB
C++
#include "mp4_ms.h"
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#include "mp4_encryption.h" /*LTS*/
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namespace MP4 {
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static char c2hex(int c) {
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if (c >= '0' && c <= '9') return c - '0';
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if (c >= 'a' && c <= 'f') return c - 'a' + 10;
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if (c >= 'A' && c <= 'F') return c - 'A' + 10;
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return 0;
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}
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SDTP::SDTP() {
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memcpy(data + 4, "sdtp", 4);
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}
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void SDTP::setVersion(uint32_t newVersion) {
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setInt8(newVersion, 0);
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}
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uint32_t SDTP::getVersion() {
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return getInt8(0);
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}
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void SDTP::setValue(uint32_t newValue, size_t index) {
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setInt8(newValue, index);
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}
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uint32_t SDTP::getValue(size_t index) {
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return getInt8(index);
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}
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std::string SDTP::toPrettyString(uint32_t indent) {
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std::stringstream r;
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r << std::string(indent, ' ') << "[sdtp] Sample Dependancy Type (" << boxedSize() << ")" << std::endl;
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r << std::string(indent + 1, ' ') << "Samples: " << (boxedSize() - 12) << std::endl;
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for (size_t i = 1; i <= boxedSize() - 12; ++i) {
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uint32_t val = getValue(i + 3);
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r << std::string(indent + 2, ' ') << "[" << i << "] = ";
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switch (val & 3) {
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case 0:
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r << " ";
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break;
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case 1:
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r << "Redundant, ";
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break;
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case 2:
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r << "Not redundant, ";
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break;
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case 3:
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r << "Error, ";
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break;
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}
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switch (val & 12) {
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case 0:
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r << " ";
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break;
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case 4:
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r << "Not disposable, ";
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break;
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case 8:
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r << "Disposable, ";
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break;
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case 12:
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r << "Error, ";
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break;
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}
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switch (val & 48) {
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case 0:
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r << " ";
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break;
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case 16:
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r << "IFrame, ";
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break;
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case 32:
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r << "Not IFrame, ";
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break;
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case 48:
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r << "Error, ";
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break;
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}
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r << "(" << val << ")" << std::endl;
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}
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return r.str();
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}
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UUID::UUID() {
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memcpy(data + 4, "uuid", 4);
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setInt64(0, 0);
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setInt64(0, 8);
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}
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std::string UUID::getUUID() {
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std::stringstream r;
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r << std::hex;
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for (int i = 0; i < 16; ++i) {
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if (i == 4 || i == 6 || i == 8 || i == 10) {
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r << "-";
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}
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r << std::setfill('0') << std::setw(2) << std::right << (int)(data[8 + i]);
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}
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return r.str();
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}
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void UUID::setUUID(const std::string & uuid_string) {
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//reset UUID to zero
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for (int i = 0; i < 4; ++i) {
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((uint32_t *)(data + 8))[i] = 0;
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}
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//set the UUID from the string, char by char
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int i = 0;
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for (size_t j = 0; j < uuid_string.size(); ++j) {
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if (uuid_string[j] == '-') {
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continue;
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}
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data[8 + i / 2] |= (c2hex(uuid_string[j]) << ((~i & 1) << 2));
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++i;
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}
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}
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void UUID::setUUID(const char * raw_uuid) {
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memcpy(data + 8, raw_uuid, 16);
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}
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std::string UUID::toPrettyString(uint32_t indent) {
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std::string UUID = getUUID();
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if (UUID == "d4807ef2-ca39-4695-8e54-26cb9e46a79f") {
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return ((UUID_TrackFragmentReference *)this)->toPrettyString(indent);
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}
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/*LTS-START*/
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if (UUID == "a2394f52-5a9b-4f14-a244-6c427c648df4") {
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return ((UUID_SampleEncryption *)this)->toPrettyString(indent);
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}
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if (UUID == "8974dbce-7be7-4c51-84f9-7148f9882554") {
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return ((UUID_TrackEncryption *)this)->toPrettyString(indent);
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}
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if (UUID == "d08a4f18-10f3-4a82-b6c8-32d8aba183d3") {
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return ((UUID_ProtectionSystemSpecificHeader *)this)->toPrettyString(indent);
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}
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if (UUID == "6d1d9b05-42d5-44e6-80e2-141daff757b2") {
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return ((UUID_TFXD *)this)->toPrettyString(indent);
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}
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/*LTS-END*/
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std::stringstream r;
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r << std::string(indent, ' ') << "[uuid] Extension box (" << boxedSize() << ")" << std::endl;
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r << std::string(indent + 1, ' ') << "UUID: " << UUID << std::endl;
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r << std::string(indent + 1, ' ') << "Unknown UUID - ignoring contents." << std::endl;
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return r.str();
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}
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UUID_TrackFragmentReference::UUID_TrackFragmentReference() {
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setUUID((std::string)"d4807ef2-ca39-4695-8e54-26cb9e46a79f");
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}
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void UUID_TrackFragmentReference::setVersion(uint32_t newVersion) {
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setInt8(newVersion, 16);
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}
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uint32_t UUID_TrackFragmentReference::getVersion() {
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return getInt8(16);
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}
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void UUID_TrackFragmentReference::setFlags(uint32_t newFlags) {
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setInt24(newFlags, 17);
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}
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uint32_t UUID_TrackFragmentReference::getFlags() {
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return getInt24(17);
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}
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void UUID_TrackFragmentReference::setFragmentCount(uint32_t newCount) {
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setInt8(newCount, 20);
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}
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uint32_t UUID_TrackFragmentReference::getFragmentCount() {
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return getInt8(20);
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}
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void UUID_TrackFragmentReference::setTime(size_t num, uint64_t newTime) {
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if (getVersion() == 0) {
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setInt32(newTime, 21 + (num * 8));
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} else {
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setInt64(newTime, 21 + (num * 16));
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}
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}
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uint64_t UUID_TrackFragmentReference::getTime(size_t num) {
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if (getVersion() == 0) {
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return getInt32(21 + (num * 8));
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} else {
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return getInt64(21 + (num * 16));
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}
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}
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void UUID_TrackFragmentReference::setDuration(size_t num, uint64_t newDuration) {
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if (getVersion() == 0) {
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setInt32(newDuration, 21 + (num * 8) + 4);
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} else {
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setInt64(newDuration, 21 + (num * 16) + 8);
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}
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}
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uint64_t UUID_TrackFragmentReference::getDuration(size_t num) {
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if (getVersion() == 0) {
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return getInt32(21 + (num * 8) + 4);
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} else {
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return getInt64(21 + (num * 16) + 8);
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}
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}
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std::string UUID_TrackFragmentReference::toPrettyString(uint32_t indent) {
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std::stringstream r;
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r << std::string(indent, ' ') << "[d4807ef2-ca39-4695-8e54-26cb9e46a79f] Track Fragment Reference (" << boxedSize() << ")" << std::endl;
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r << std::string(indent + 1, ' ') << "Version: " << getVersion() << std::endl;
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r << std::string(indent + 1, ' ') << "Fragments: " << getFragmentCount() << std::endl;
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int j = getFragmentCount();
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for (int i = 0; i < j; ++i) {
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r << std::string(indent + 2, ' ') << "[" << i << "] Time = " << getTime(i) << ", Duration = " << getDuration(i) << std::endl;
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}
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return r.str();
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}
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UUID_TFXD::UUID_TFXD() {
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setUUID((std::string)"6d1d9b05-42d5-44e6-80e2-141daff757b2");
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setVersion(0);
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setFlags(0);
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}
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void UUID_TFXD::setVersion(uint32_t newVersion) {
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setInt8(newVersion, 16);
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}
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uint32_t UUID_TFXD::getVersion() {
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return getInt8(16);
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}
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void UUID_TFXD::setFlags(uint32_t newFlags) {
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setInt24(newFlags, 17);
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}
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uint32_t UUID_TFXD::getFlags() {
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return getInt24(17);
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}
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void UUID_TFXD::setTime(uint64_t newTime) {
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if (getVersion() == 0) {
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setInt32(newTime, 20);
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} else {
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setInt64(newTime, 20);
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}
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}
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uint64_t UUID_TFXD::getTime() {
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if (getVersion() == 0) {
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return getInt32(20);
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} else {
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return getInt64(20);
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}
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}
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void UUID_TFXD::setDuration(uint64_t newDuration) {
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if (getVersion() == 0) {
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setInt32(newDuration, 24);
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} else {
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setInt64(newDuration, 28);
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}
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}
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uint64_t UUID_TFXD::getDuration() {
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if (getVersion() == 0) {
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return getInt32(24);
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} else {
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return getInt64(28);
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}
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}
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std::string UUID_TFXD::toPrettyString(uint32_t indent) {
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std::stringstream r;
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setUUID((std::string)"6d1d9b05-42d5-44e6-80e2-141daff757b2");
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r << std::string(indent, ' ') << "[6d1d9b05-42d5-44e6-80e2-141daff757b2] TFXD Box (" << boxedSize() << ")" << std::endl;
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r << std::string(indent + 1, ' ') << "Version: " << getVersion() << std::endl;
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r << std::string(indent + 1, ' ') << "Time = " << getTime() << std::endl;
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r << std::string(indent + 1, ' ') << "Duration = " << getDuration() << std::endl;
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return r.str();
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}
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}
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