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authorcah <cah@ableton.com>2022-12-16 23:17:51 +0100
committercah <cah@ableton.com>2022-12-16 23:17:51 +0100
commit30b1a7cb4983a0e95056969ed64bddc8f3494a2d (patch)
tree814e91060746766ce4b88723ce804809d46a0bc9 /src/JP2K_Codestream_Parser.cpp
parent3f9fd2c3c3fffcccd53016619475b32642ed6aa5 (diff)
Hack to make DoM/libdcp build.dom-hack-upstream-master
Diffstat (limited to 'src/JP2K_Codestream_Parser.cpp')
-rwxr-xr-xsrc/JP2K_Codestream_Parser.cpp37
1 files changed, 33 insertions, 4 deletions
diff --git a/src/JP2K_Codestream_Parser.cpp b/src/JP2K_Codestream_Parser.cpp
index d68b52a..878f6a1 100755
--- a/src/JP2K_Codestream_Parser.cpp
+++ b/src/JP2K_Codestream_Parser.cpp
@@ -90,6 +90,28 @@ public:
return result;
}
+
+ Result_t OpenReadFrame(const unsigned char* data, unsigned int size, FrameBuffer& FB)
+ {
+ if ( FB.Capacity() < size )
+ {
+ DefaultLogSink().Error("FrameBuf.Capacity: %u frame length: %u\n", FB.Capacity(), (ui32_t)size);
+ return RESULT_SMALLBUF;
+ }
+
+ ui32_t read_count;
+
+ memcpy(FB.Data(), data, size);
+ FB.Size(size);
+
+ byte_t start_of_data = 0; // out param
+ const Result_t result = ParseMetadataIntoDesc(FB, m_PDesc, &start_of_data);
+
+ if ( ASDCP_SUCCESS(result) )
+ FB.PlaintextOffset(start_of_data);
+
+ return result;
+ }
};
ASDCP::Result_t
@@ -148,7 +170,7 @@ ASDCP::JP2K::ParseMetadataIntoDesc(const FrameBuffer& FB, PictureDescriptor& PDe
DefaultLogSink().Error("Unexpected number of components: %u\n", PDesc.Csize);
return RESULT_RAW_FORMAT;
}
-
+
for ( i = 0; i < PDesc.Csize; i++ )
SIZ_.ReadComponent(i, PDesc.ImageComponents[i]);
}
@@ -162,7 +184,7 @@ ASDCP::JP2K::ParseMetadataIntoDesc(const FrameBuffer& FB, PictureDescriptor& PDe
DefaultLogSink().Error("Unexpectedly large CodingStyle data: %u\n", NextMarker.m_DataSize);
return RESULT_RAW_FORMAT;
}
-
+
memcpy(&PDesc.CodingStyleDefault, NextMarker.m_Data, NextMarker.m_DataSize);
break;
@@ -174,7 +196,7 @@ ASDCP::JP2K::ParseMetadataIntoDesc(const FrameBuffer& FB, PictureDescriptor& PDe
DefaultLogSink().Error("No quantization signaled. QCD size=%s.\n", NextMarker.m_DataSize);
return RESULT_RAW_FORMAT;
}
-
+
if ( NextMarker.m_DataSize > MaxDefaults )
{
DefaultLogSink().Error("Quantization Default length exceeds maximum %d\n", NextMarker.m_DataSize);
@@ -188,7 +210,7 @@ ASDCP::JP2K::ParseMetadataIntoDesc(const FrameBuffer& FB, PictureDescriptor& PDe
case MRK_CAP:
{
Accessor::CAP CAP_(NextMarker);
-
+
PDesc.ExtendedCapabilities.Pcap = CAP_.pcap();
PDesc.ExtendedCapabilities.N = CAP_.N();
@@ -271,6 +293,13 @@ ASDCP::JP2K::CodestreamParser::OpenReadFrame(const std::string& filename, FrameB
return m_Parser->OpenReadFrame(filename, FB);
}
+ASDCP::Result_t
+ASDCP::JP2K::CodestreamParser::OpenReadFrame(const unsigned char* data, int size, FrameBuffer& FB) const
+{
+ const_cast<ASDCP::JP2K::CodestreamParser*>(this)->m_Parser = new h__CodestreamParser;
+ return m_Parser->OpenReadFrame(data, size, FB);
+}
+
//
ASDCP::Result_t
ASDCP::JP2K::CodestreamParser::FillPictureDescriptor(PictureDescriptor& PDesc) const