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Diffstat (limited to 'drivers/usb/media/w9968cf_decoder.h')
-rw-r--r--drivers/usb/media/w9968cf_decoder.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/usb/media/w9968cf_decoder.h b/drivers/usb/media/w9968cf_decoder.h
new file mode 100644
index 00000000000..31faccbe8f0
--- /dev/null
+++ b/drivers/usb/media/w9968cf_decoder.h
@@ -0,0 +1,86 @@
+/***************************************************************************
+ * Video decoder for the W996[87]CF driver for Linux. *
+ * *
+ * Copyright (C) 2003 2004 by Luca Risolia <luca.risolia@studio.unibo.it> *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the Free Software *
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
+ ***************************************************************************/
+
+#ifndef _W9968CF_DECODER_H_
+#define _W9968CF_DECODER_H_
+
+/* Comment/uncomment this for high/low quality of compressed video */
+#define W9968CF_DEC_FAST_LOWQUALITY_VIDEO
+
+#ifdef W9968CF_DEC_FAST_LOWQUALITY_VIDEO
+static const unsigned char Y_QUANTABLE[64] = {
+ 16, 11, 10, 16, 24, 40, 51, 61,
+ 12, 12, 14, 19, 26, 58, 60, 55,
+ 14, 13, 16, 24, 40, 57, 69, 56,
+ 14, 17, 22, 29, 51, 87, 80, 62,
+ 18, 22, 37, 56, 68, 109, 103, 77,
+ 24, 35, 55, 64, 81, 104, 113, 92,
+ 49, 64, 78, 87, 103, 121, 120, 101,
+ 72, 92, 95, 98, 112, 100, 103, 99
+};
+
+static const unsigned char UV_QUANTABLE[64] = {
+ 17, 18, 24, 47, 99, 99, 99, 99,
+ 18, 21, 26, 66, 99, 99, 99, 99,
+ 24, 26, 56, 99, 99, 99, 99, 99,
+ 47, 66, 99, 99, 99, 99, 99, 99,
+ 99, 99, 99, 99, 99, 99, 99, 99,
+ 99, 99, 99, 99, 99, 99, 99, 99,
+ 99, 99, 99, 99, 99, 99, 99, 99,
+ 99, 99, 99, 99, 99, 99, 99, 99
+};
+#else
+static const unsigned char Y_QUANTABLE[64] = {
+ 8, 5, 5, 8, 12, 20, 25, 30,
+ 6, 6, 7, 9, 13, 29, 30, 27,
+ 7, 6, 8, 12, 20, 28, 34, 28,
+ 7, 8, 11, 14, 25, 43, 40, 31,
+ 9, 11, 18, 28, 34, 54, 51, 38,
+ 12, 17, 27, 32, 40, 52, 56, 46,
+ 24, 32, 39, 43, 51, 60, 60, 50,
+ 36, 46, 47, 49, 56, 50, 51, 49
+};
+
+static const unsigned char UV_QUANTABLE[64] = {
+ 8, 9, 12, 23, 49, 49, 49, 49,
+ 9, 10, 13, 33, 49, 49, 49, 49,
+ 12, 13, 28, 49, 49, 49, 49, 49,
+ 23, 33, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49
+};
+#endif
+
+#define W9968CF_DEC_ERR_CORRUPTED_DATA -1
+#define W9968CF_DEC_ERR_BUF_OVERFLOW -2
+#define W9968CF_DEC_ERR_NO_SOI -3
+#define W9968CF_DEC_ERR_NO_SOF0 -4
+#define W9968CF_DEC_ERR_NO_SOS -5
+#define W9968CF_DEC_ERR_NO_EOI -6
+
+extern void w9968cf_init_decoder(void);
+extern int w9968cf_check_headers(const unsigned char* Pin,
+ const unsigned long BUF_SIZE);
+extern int w9968cf_decode(const char* Pin, const unsigned long BUF_SIZE,
+ const unsigned W, const unsigned H, char* Pout);
+
+#endif /* _W9968CF_DECODER_H_ */