summaryrefslogtreecommitdiffstats
path: root/kopete/protocols/msn/webcam/libmimic/mimic-private.h
diff options
context:
space:
mode:
Diffstat (limited to 'kopete/protocols/msn/webcam/libmimic/mimic-private.h')
-rw-r--r--kopete/protocols/msn/webcam/libmimic/mimic-private.h117
1 files changed, 117 insertions, 0 deletions
diff --git a/kopete/protocols/msn/webcam/libmimic/mimic-private.h b/kopete/protocols/msn/webcam/libmimic/mimic-private.h
new file mode 100644
index 00000000..adf59291
--- /dev/null
+++ b/kopete/protocols/msn/webcam/libmimic/mimic-private.h
@@ -0,0 +1,117 @@
+/* Copyright (C) 2005 Ole André Vadla Ravnås <oleavr@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef MIMIC_PRIVATE_H
+#define MIMIC_PRIVATE_H
+
+#include "mimic.h"
+
+#define ENCODER_BUFFER_SIZE 16384
+#define ENCODER_QUALITY_DEFAULT 0
+#define ENCODER_QUALITY_MIN 0
+#define ENCODER_QUALITY_MAX 10000
+
+struct _MimCtx {
+ gboolean encoder_initialized;
+ gboolean decoder_initialized;
+
+ gint frame_width;
+ gint frame_height;
+ gint quality;
+ gint num_coeffs;
+
+ gint y_stride;
+ gint y_row_count;
+ gint y_size;
+
+ gint crcb_stride;
+ gint crcb_row_count;
+ gint crcb_size;
+
+ gint num_vblocks_y;
+ gint num_hblocks_y;
+
+ gint num_vblocks_cbcr;
+ gint num_hblocks_cbcr;
+
+ guchar *cur_frame_buf;
+ guchar *prev_frame_buf;
+
+ gint8 vlcdec_lookup[2296];
+
+ gchar *data_buffer;
+ guint data_index;
+
+ guint32 cur_chunk;
+ gint cur_chunk_len;
+
+ guint32 *chunk_ptr;
+ gboolean read_odd;
+
+ gint frame_num;
+
+ gint ptr_index;
+ guchar *buf_ptrs[16];
+};
+
+typedef struct {
+ guchar length1;
+ guint32 part1;
+
+ guchar length2;
+ guint32 part2;
+} VlcSymbol;
+
+typedef struct {
+ guint32 magic;
+ guchar pos_add;
+ guchar num_bits;
+} VlcMagic;
+
+void _mimic_init(MimCtx *ctx, gint width, gint height);
+guchar _clamp_value(gint value);
+
+guint32 _read_bits(MimCtx *ctx, gint num_bits);
+void _write_bits(MimCtx *ctx, guint32 bits, gint length);
+
+void _vlc_encode_block(MimCtx *ctx, const gint *block, gint num_coeffs);
+gboolean _vlc_decode_block(MimCtx *ctx, gint *block, gint num_coeffs);
+
+void _fdct_quant_block(MimCtx *ctx, gint *block, const guchar *src,
+ gint stride, gboolean is_chrom, gint num_coeffs);
+void _idct_dequant_block(MimCtx *ctx, gint *block, gboolean is_chrom);
+
+VlcMagic *_find_magic(guint magic);
+void _initialize_vlcdec_lookup(gint8 *lookup_tbl);
+
+void _rgb_to_yuv(const guchar *input_rgb,
+ guchar *output_y,
+ guchar *output_cb,
+ guchar *output_cr,
+ gint width,
+ gint height);
+void _yuv_to_rgb(const guchar *input_y,
+ const guchar *input_cb,
+ const guchar *input_cr,
+ guchar *output_rgb,
+ guint width,
+ guint height);
+
+void _deblock(guchar *blocks, guint stride, guint row_count);
+
+#endif
+