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authorPierre-Anthony Lemieux <pal@palemieux.com>2019-11-28 10:58:15 -0800
committerPierre-Anthony Lemieux <pal@palemieux.com>2019-11-28 10:58:15 -0800
commit2a1a0da4f67debb7dcfd01b885dad35279f27663 (patch)
treea9d63ba3ca95aa0b7837310b61685312b3d12824 /src/JP2K.cpp
parent20c2f749a4593c418259bcf8b5f6f0775b70d910 (diff)
Added support for CAP, PRF and CPF markers
Improved Marker vs Marker Segment discrimination
Diffstat (limited to 'src/JP2K.cpp')
-rwxr-xr-xsrc/JP2K.cpp111
1 files changed, 79 insertions, 32 deletions
diff --git a/src/JP2K.cpp b/src/JP2K.cpp
index a0f2a8a..4d2c130 100755
--- a/src/JP2K.cpp
+++ b/src/JP2K.cpp
@@ -37,45 +37,17 @@ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
using Kumu::DefaultLogSink;
-// when indexed with the second byte of a marker code, this table will procuce one of
-// two values:
-// 0 - the marker is a standalone marker
-// 1 - the marker designates a marker segment
-//
-const byte_t MarkerSegmentMap[] =
- {
- /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
- /* 0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0
- /* 1 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1
- /* 2 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 2
- /* 3 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 3
- /* 4 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 4
- /* 5 */ 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, // 5
- /* 6 */ 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6
- /* 7 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 7
- /* 8 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8
- /* 9 */ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9
- /* a */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a
- /* b */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // b
- /* c */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // c
- /* d */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // d
- /* e */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // e
- /* f */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // f
- /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
- };
-
-
//
ASDCP::Result_t
ASDCP::JP2K::GetNextMarker(const byte_t** buf, JP2K::Marker& Marker)
{
assert((buf != 0) && (*buf != 0 ));
- if ( **buf != 0xff )
+ if (*(*buf)++ != 0xff )
return ASDCP::RESULT_FAIL;
- Marker.m_IsSegment = (MarkerSegmentMap[*(++(*buf))] == 1);
Marker.m_Type = (Marker_t)(0xff00 | *(*buf)++);
+ Marker.m_IsSegment = Marker.m_Type != MRK_SOC && Marker.m_Type != MRK_SOD && Marker.m_Type != MRK_EOC;
if ( Marker.m_IsSegment )
{
@@ -86,13 +58,13 @@ ASDCP::JP2K::GetNextMarker(const byte_t** buf, JP2K::Marker& Marker)
*buf += Marker.m_DataSize;
}
-
+ /* TODO: why is this here?
if ( Marker.m_DataSize != 0 && Marker.m_DataSize < 3 )
{
DefaultLogSink().Error("Illegal data size: %u\n", Marker.m_DataSize);
return ASDCP::RESULT_FAIL;
}
-
+ */
return ASDCP::RESULT_OK;
}
@@ -227,6 +199,78 @@ ASDCP::JP2K::Accessor::COM::Dump(FILE* stream) const
}
}
+//
+void
+ASDCP::JP2K::Accessor::PRF::Dump(FILE* stream) const
+{
+ if ( stream == 0 )
+ stream = stderr;
+
+ fprintf(stream, "PRF: \n");
+
+ if (N() == 0) {
+
+ fprintf(stream, " N/A");
+
+ } else {
+
+ for (ui16_t i = 1; i <= N(); i++) {
+ fprintf(stream, "pprf(%d): %d\n", i, pprf(i));
+ }
+
+ }
+}
+
+//
+void
+ASDCP::JP2K::Accessor::CPF::Dump(FILE* stream) const
+{
+ if ( stream == 0 )
+ stream = stderr;
+
+ fprintf(stream, "CPF: \n");
+
+ if (N() == 0) {
+
+ fprintf(stream, " N/A");
+
+ } else {
+
+ for (ui16_t i = 1; i <= N(); i++) {
+ fprintf(stream, "pcpf(%d): %d\n", i, pcpf(i));
+ }
+
+ }
+}
+
+
+//
+void
+ASDCP::JP2K::Accessor::CAP::Dump(FILE* stream) const
+{
+ if ( stream == 0 )
+ stream = stderr;
+
+ fprintf(stream, "CAP: \n");
+
+ ui32_t pcap = this->pcap();
+
+ if (pcap == 0) {
+
+ fprintf(stream, " None");
+
+ } else {
+
+ for (i32_t b = 32, i = 1; b > 0; b--) {
+
+ if ((pcap >> (32 - b)) & 0x1) {
+
+ fprintf(stream, " ccap(%d): %d\n", b, this->ccap(i++));
+
+ }
+ }
+ }
+}
//-------------------------------------------------------------------------------------------------------
//
@@ -274,6 +318,9 @@ ASDCP::JP2K::GetMarkerString(Marker_t m)
case MRK_EPH: return "EPH: End of packet header"; break;
case MRK_CRG: return "CRG: Component registration"; break;
case MRK_COM: return "COM: Comment"; break;
+ case MRK_CPF: return "CPF: Corresponding profile"; break;
+ case MRK_CAP: return "CAP: Capabilities"; break;
+ case MRK_PRF: return "PRF: Profile"; break;
}
return "Unknown marker code";