patch-2.4.23 linux-2.4.23/drivers/usb/w9968cf_decoder.h

• Lines: 87
• Date: 2003-11-28 10:26:20.000000000 -0800
• Orig file: linux-2.4.22/drivers/usb/w9968cf_decoder.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.22/drivers/usb/w9968cf_decoder.h linux-2.4.23/drivers/usb/w9968cf_decoder.h
@@ -0,0 +1,86 @@
+/***************************************************************************
+ * Video decoder for the W996[87]CF driver for Linux.                      *
+ *                                                                         *
+ * Copyright (C) 2003 by Luca Risolia <luca_ing@libero.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_ */