diff --git a/cinelerra-5.1/cinelerra/filetiff.C b/cinelerra-5.1/cinelerra/filetiff.C
index cde59a0..ea2247c 100644
--- a/cinelerra-5.1/cinelerra/filetiff.C
+++ b/cinelerra-5.1/cinelerra/filetiff.C
@@ -109,6 +109,12 @@ const char* FileTIFF::compression_to_str(int value)
 		case FileTIFF::PACK_BITS: return "Pack Bits"; break;
 		case FileTIFF::DEFLATE: return "Deflate"; break;
 		case FileTIFF::JPEG: return "JPEG"; break;
+		case FileTIFF::PIXARFILM: return "PIXARFILM"; break;
+		case FileTIFF::PIXARLOG: return "PIXARLOG"; break;
+		case FileTIFF::JP2000: return "JP2000"; break;
+		case FileTIFF::SGILOG: return "SGILOG"; break;
+		case FileTIFF::LZMA: return "LZMA"; break;
+		case FileTIFF::ADOBE_DEFLATE: return "Adobe Deflate"; break;
 		default:
 			return "None";
 			break;
@@ -474,17 +480,39 @@ int FileTIFF::write_frame(VFrame *frame, VFrame *data, FrameWriterUnit *unit)
 		case FileTIFF::JPEG:
 			compression = COMPRESSION_JPEG;
 			break;
+		case FileTIFF::PIXARFILM:
+			compression = COMPRESSION_PIXARFILM;
+			break;
+		case FileTIFF::PIXARLOG:
+			compression = COMPRESSION_PIXARLOG;
+			break;
+		case FileTIFF::JP2000:
+			compression = COMPRESSION_JP2000;
+			break;
+		case FileTIFF::LZMA:
+			compression = COMPRESSION_LZMA;
+			break;
+		case FileTIFF::SGILOG:
+			compression = COMPRESSION_SGILOG;
+			break;
+		case FileTIFF::ADOBE_DEFLATE:
+			compression = ADOBE_DEFLATE;
+			break;
 		default:
 			compression = COMPRESSION_NONE;
 			break;
 	}
+	uint16 out[1];
+	out[0] = EXTRASAMPLE_UNASSALPHA;
 
 	TIFFSetField(stream, TIFFTAG_IMAGEWIDTH, asset->width);
 	TIFFSetField(stream, TIFFTAG_IMAGELENGTH, asset->height);
 	TIFFSetField(stream, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
 	TIFFSetField(stream, TIFFTAG_SAMPLESPERPIXEL, components);
 	TIFFSetField(stream, TIFFTAG_BITSPERSAMPLE, bits);
-    TIFFSetField(stream, TIFFTAG_SAMPLEFORMAT, sampleformat);
+        TIFFSetField(stream, TIFFTAG_SAMPLEFORMAT, sampleformat);
+        if(components == 4)
+	TIFFSetField(stream, TIFFTAG_EXTRASAMPLES, 1, &out);
 	TIFFSetField(stream, TIFFTAG_COMPRESSION, compression);
 	TIFFSetField(stream, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
  	TIFFSetField(stream, TIFFTAG_ROWSPERSTRIP,
@@ -492,7 +520,7 @@ int FileTIFF::write_frame(VFrame *frame, VFrame *data, FrameWriterUnit *unit)
 //  	TIFFSetField(stream, TIFFTAG_ROWSPERSTRIP,
 // 		(8 * 1024) / bytesperrow);
 	TIFFSetField(stream, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
-
+	
 	if(frame->get_color_model() == color_model)
 	{
 		for(int i = 0; i < asset->height; i++)
@@ -656,9 +684,15 @@ int TIFFCompression::handle_event()
 void TIFFCompression::create_objects()
 {
 	add_item(new TIFFCompressionItem(gui, FileTIFF::NONE));
-//	add_item(new TIFFCompressionItem(gui, FileTIFF::LZW));
+	add_item(new TIFFCompressionItem(gui, FileTIFF::LZW)); // patent expired in 2004 ?
 	add_item(new TIFFCompressionItem(gui, FileTIFF::PACK_BITS));
-//	add_item(new TIFFCompressionItem(gui, FileTIFF::DEFLATE));
+	add_item(new TIFFCompressionItem(gui, FileTIFF::DEFLATE)); // works!
+//	add_item(new TIFFCompressionItem(gui, FileTIFF::SGILOG));  scanline encoding not implemented
+	add_item(new TIFFCompressionItem(gui, FileTIFF::LZMA)); // works, a bit new for data exchange?
+//	add_item(new TIFFCompressionItem(gui, FileTIFF::ADOBE_DEFLATE)); scanline encoding not implemented
+//	add_item(new TIFFCompressionItem(gui, FileTIFF::PIXARFILM)); not supported for scanline encoding
+//	add_item(new TIFFCompressionItem(gui, FileTIFF::PIXARLOG)); only 8 bit ?
+//	add_item(new TIFFCompressionItem(gui, FileTIFF::JP2000)); doesn't support scanline encoding
 //	add_item(new TIFFCompressionItem(gui, FileTIFF::JPEG));
 }
 
diff --git a/cinelerra-5.1/cinelerra/filetiff.h b/cinelerra-5.1/cinelerra/filetiff.h
index 321ea9b..c6e21f5 100644
--- a/cinelerra-5.1/cinelerra/filetiff.h
+++ b/cinelerra-5.1/cinelerra/filetiff.h
@@ -70,7 +70,13 @@ public:
 		LZW,
 		PACK_BITS,
 		DEFLATE,
-		JPEG
+		JPEG,
+		PIXARFILM,
+		PIXARLOG,
+		JP2000,
+		ADOBE_DEFLATE,
+		SGILOG,
+		LZMA
 	};
 
 	Mutex *unit_lock;