enum EssenceType_t {
ESS_UNKNOWN, // the file is not a supported AS-DCP of AS-02 essence container
- //
+ //
ESS_MPEG2_VES, // the file contains an MPEG-2 video elementary stream
// d-cinema essence types
// encrypted headers.
Result_t OpenReadFrame(const std::string& filename, FrameBuffer&) const;
+ Result_t OpenReadFrame(const unsigned char * data, unsigned int size, FrameBuffer&) const;
+
// Fill a PictureDescriptor struct with the values from the file's codestream.
// Returns RESULT_INIT if the file is not open.
Result_t FillPictureDescriptor(PictureDescriptor&) const;
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;
+ }
+
+ 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
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]);
}
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;
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);
return m_Parser->OpenReadFrame(filename, FB);
}
+// Opens the stream for reading, parses enough data to provide a complete
+// set of stream metadata for the MXFWriter below.
+ASDCP::Result_t
+ASDCP::JP2K::CodestreamParser::OpenReadFrame(const unsigned char* data, unsigned 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