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Diffstat (limited to 'kopete/protocols/msn/webcam/libmimic/vlc_decode.c')
-rw-r--r--kopete/protocols/msn/webcam/libmimic/vlc_decode.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/kopete/protocols/msn/webcam/libmimic/vlc_decode.c b/kopete/protocols/msn/webcam/libmimic/vlc_decode.c
deleted file mode 100644
index fed26743..00000000
--- a/kopete/protocols/msn/webcam/libmimic/vlc_decode.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/* 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
- */
-
-#include <string.h>
-#include "mimic-private.h"
-
-extern guchar _col_zag[64];
-
-/*
- * _vlc_decode_block
- *
- * De-serialize (reconstruct) a variable length coded 8x8 block.
- */
-gboolean _vlc_decode_block(MimCtx *ctx, gint *block, gint num_coeffs)
-{
- guint pos;
-
- memset(block, 0, 64 * sizeof(gint));
-
- /* The DC-value is read in as is. */
- block[0] = _read_bits(ctx, 8);
-
- for (pos = 1; pos < num_coeffs; pos++) {
-
- guint prev_data_index, prev_cur_chunk_len, prev_chunk;
- guint value, num_bits;
- gboolean prev_read_odd, found_magic;
-
- /* Save context. */
- prev_data_index = ctx->data_index;
- prev_cur_chunk_len = ctx->cur_chunk_len;
- prev_chunk = ctx->cur_chunk;
- prev_read_odd = ctx->read_odd;
-
- /* Grab 16 bits. */
- value = _read_bits(ctx, 16) << 16;
-
- /* Restore context. */
- ctx->data_index = prev_data_index;
- ctx->cur_chunk_len = prev_cur_chunk_len;
- ctx->cur_chunk = prev_chunk;
- ctx->read_odd = prev_read_odd;
-
- /* Analyze and determine number of bits to read initially. */
- num_bits = 3;
- if ((value >> 30) == 0 || (value >> 30) == 1) {
- num_bits = 2;
- } else if ((value & 0xE0000000) != 0x80000000) {
- guint nibble = value >> 28;
-
- if (nibble == 11 || nibble == 12) {
- num_bits = 4;
- } else if (nibble == 10) {
- _read_bits(ctx, 4);
-
- return TRUE;
- } else {
- if (((value << 2) & 0x8000000) == 0)
- num_bits = 2;
-
- num_bits += 2;
- }
- }
-
- /* Read that number of bits. */
- value = _read_bits(ctx, num_bits);
-
- /*
- * Look up the current value against the magic ones,
- * and continue extending it bit by bit from the input
- * stream until the magic value is found or we have
- * read 32 bits (in which case we give up).
- */
- found_magic = FALSE;
- while (!found_magic) {
- VlcMagic *magic;
-
- if (num_bits > 32)
- return FALSE;
-
- magic = _find_magic(value);
-
- if (magic != NULL) {
- pos += magic->pos_add;
- num_bits = magic->num_bits;
-
- found_magic = TRUE;
- } else {
- value <<= 1;
- value |= _read_bits(ctx, 1);
-
- num_bits++;
- }
- }
-
- /* Read the number of bits given by magic value entry. */
- value = _read_bits(ctx, num_bits);
-
- /* Gotcha! :-) */
- block[_col_zag[pos]] = ctx->vlcdec_lookup[(num_bits * 255) + value];
- }
-
- return TRUE;
-}
-