third_party/exiv2
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get rid of convertToUint64

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same as getULongLong

Signed-off-by: Rosen Penev <rosenp@gmail.com>
This commit is contained in:
Rosen Penev 2023-02-26 14:23:08 -08:00
parent afbd9e7a76
commit 03d34bee04
2 changed files with 25 additions and 44 deletions
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8
include/exiv2/matroskavideo.hpp
View File

@ -149,12 +149,12 @@ class EXIV2API MatroskaVideo : public Image {
@param size Size of \em buf.
*/
void decodeInternalTags(const Internal::MatroskaTag* tag, const byte* buf, size_t size);
void decodeInternalTags(const Internal::MatroskaTag* tag, const byte* buf);
void decodeStringTags(const Internal::MatroskaTag* tag, const byte* buf);
void decodeIntegerTags(const Internal::MatroskaTag* tag, const byte* buf, size_t size);
void decodeBooleanTags(const Internal::MatroskaTag* tag, const byte* buf, size_t size);
void decodeIntegerTags(const Internal::MatroskaTag* tag, const byte* buf);
void decodeBooleanTags(const Internal::MatroskaTag* tag, const byte* buf);
void decodeDateTags(const Internal::MatroskaTag* tag, const byte* buf, size_t size);
void decodeFloatTags(const Internal::MatroskaTag* tag, const byte* buf, size_t size);
void decodeFloatTags(const Internal::MatroskaTag* tag, const byte* buf);
private:
//! Variable to check the end of metadata traversing.

61
src/matroskavideo.cpp
View File

@ -595,26 +595,6 @@ const MatroskaTag streamRate[] = {
return tag;
}
/*!
@brief Function used to convert buffer data into Integeral information,
information stored in BigEndian format
*/
[[nodiscard]] bool convertToUint64(const byte* buf, size_t size, uint64_t& value) {
uint64_t ret = 0;
for (size_t i = 0; i < size; ++i) {
ret |= static_cast<uint64_t>(buf[i]) << ((size - i - 1) * 8);
}
if (ret < std::numeric_limits<uint64_t>::min())
return false;
if (ret > std::numeric_limits<uint64_t>::max())
return false;
value = ret;
return true;
}
} // namespace Exiv2::Internal
namespace Exiv2 {
@ -711,7 +691,7 @@ void MatroskaVideo::decodeBlock() {
io_->read(buf2.data(), size);
switch (tag->_type) {
case InternalField:
decodeInternalTags(tag, buf2.data(), size);
decodeInternalTags(tag, buf2.data());
break;
case String:
case Utf8:
@ -719,16 +699,16 @@ void MatroskaVideo::decodeBlock() {
break;
case Integer:
case UInteger:
decodeIntegerTags(tag, buf2.data(), size);
decodeIntegerTags(tag, buf2.data());
break;
case Boolean:
decodeBooleanTags(tag, buf2.data(), size);
decodeBooleanTags(tag, buf2.data());
break;
case Date:
decodeDateTags(tag, buf2.data(), size);
break;
case Float:
decodeFloatTags(tag, buf2.data(), size);
decodeFloatTags(tag, buf2.data());
break;
case Binary:
break;
@ -739,10 +719,10 @@ void MatroskaVideo::decodeBlock() {
}
} // MatroskaVideo::decodeBlock
void MatroskaVideo::decodeInternalTags(const MatroskaTag* tag, const byte* buf, size_t size) {
void MatroskaVideo::decodeInternalTags(const MatroskaTag* tag, const byte* buf) {
const MatroskaTag* internalMt = nullptr;
uint64_t key = 0;
if (!convertToUint64(buf, size, key))
uint64_t key = getULongLong(buf, bigEndian);
if (!key)
return;
switch (tag->_id) {
@ -810,9 +790,9 @@ void MatroskaVideo::decodeStringTags(const MatroskaTag* tag, const byte* buf) {
}
}
void MatroskaVideo::decodeIntegerTags(const MatroskaTag* tag, const byte* buf, size_t size) {
uint64_t value = 0;
if (!convertToUint64(buf, size, value))
void MatroskaVideo::decodeIntegerTags(const MatroskaTag* tag, const byte* buf) {
uint64_t value = getULongLong(buf, bigEndian);
if (!value)
return;
if (tag->_id == Xmp_video_Width_1 || tag->_id == Xmp_video_Width_2)
@ -822,11 +802,11 @@ void MatroskaVideo::decodeIntegerTags(const MatroskaTag* tag, const byte* buf, s
xmpData_[tag->_label] = value;
}
void MatroskaVideo::decodeBooleanTags(const MatroskaTag* tag, const byte* buf, size_t size) {
void MatroskaVideo::decodeBooleanTags(const MatroskaTag* tag, const byte* buf) {
std::string str("No");
const MatroskaTag* internalMt = nullptr;
uint64_t key = 0;
if (!convertToUint64(buf, size, key))
uint64_t key = getULongLong(buf, bigEndian);
if (!key)
return;
switch (tag->_id) {
@ -868,7 +848,7 @@ void MatroskaVideo::decodeBooleanTags(const MatroskaTag* tag, const byte* buf, s
void MatroskaVideo::decodeDateTags(const MatroskaTag* tag, const byte* buf, size_t size) {
int64_t duration_in_ms = 0;
uint64_t value = 0;
uint64_t value;
switch (tag->_id) {
case Xmp_video_Duration:
if (size <= 4) {
@ -880,15 +860,16 @@ void MatroskaVideo::decodeDateTags(const MatroskaTag* tag, const byte* buf, size
xmpData_[tag->_label] = duration_in_ms;
break;
case Xmp_video_DateUTC:
if (!convertToUint64(buf, size, value))
value = getULongLong(buf, bigEndian);
if (!value)
return;
duration_in_ms = value / 1000000000;
xmpData_[tag->_label] = duration_in_ms;
break;
case TimecodeScale:
if (!convertToUint64(buf, size, value))
value = getULongLong(buf, bigEndian);
if (!value)
return;
time_code_scale_ = static_cast<double>(value) / static_cast<double>(1000000000);
xmpData_[tag->_label] = time_code_scale_;
@ -898,7 +879,7 @@ void MatroskaVideo::decodeDateTags(const MatroskaTag* tag, const byte* buf, size
}
}
void MatroskaVideo::decodeFloatTags(const MatroskaTag* tag, const byte* buf, size_t size) {
void MatroskaVideo::decodeFloatTags(const MatroskaTag* tag, const byte* buf) {
xmpData_[tag->_label] = getFloat(buf, bigEndian);
double frame_rate = 0;
@ -909,8 +890,8 @@ void MatroskaVideo::decodeFloatTags(const MatroskaTag* tag, const byte* buf, siz
break;
case VideoFrameRate_DefaultDuration:
case Xmp_video_FrameRate: {
uint64_t key = 0;
if (!convertToUint64(buf, size, key))
uint64_t key = getULongLong(buf, bigEndian);
if (!key)
return;
const MatroskaTag* internalMt = Exiv2::find(streamRate, key);
if (internalMt) {