chasing indexing error

1 files changed, 0 insertions, 93 deletions

diff --git a/ffmpeg/libavcodec/mqcdec.c b/ffmpeg/libavcodec/mqcdec.c
deleted file mode 100644
index 3625069..0000000
--- a/ffmpeg/libavcodec/mqcdec.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * MQ-coder decoder
- * Copyright (c) 2007 Kamil Nowosad
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg 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.
- *
- * FFmpeg 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * MQ-coder decoder
- * @file
- * @author Kamil Nowosad
- */
-
-#include "mqc.h"
-
-static void bytein(MqcState *mqc)
-{
-    if (*mqc->bp == 0xff) {
-        if (*(mqc->bp + 1) > 0x8f)
-            mqc->c++;
-        else {
-            mqc->bp++;
-            mqc->c += 2 + 0xfe00 - (*mqc->bp << 9);
-        }
-    } else {
-        mqc->bp++;
-        mqc->c += 1 + 0xff00 - (*mqc->bp << 8);
-    }
-}
-
-static int exchange(MqcState *mqc, uint8_t *cxstate, int lps)
-{
-    int d;
-    if ((mqc->a < ff_mqc_qe[*cxstate]) ^ (!lps)) {
-        if (lps)
-            mqc->a = ff_mqc_qe[*cxstate];
-        d = *cxstate & 1;
-        *cxstate = ff_mqc_nmps[*cxstate];
-    } else {
-        if (lps)
-            mqc->a = ff_mqc_qe[*cxstate];
-        d = 1 - (*cxstate & 1);
-        *cxstate = ff_mqc_nlps[*cxstate];
-    }
-    // do RENORMD: see ISO/IEC 15444-1:2002 §C.3.3
-    do {
-        if (!(mqc->c & 0xff)) {
-            mqc->c -= 0x100;
-            bytein(mqc);
-        }
-        mqc->a += mqc->a;
-        mqc->c += mqc->c;
-    } while (!(mqc->a & 0x8000));
-    return d;
-}
-
-void ff_mqc_initdec(MqcState *mqc, uint8_t *bp)
-{
-    ff_mqc_init_contexts(mqc);
-    mqc->bp = bp;
-    mqc->c  = (*mqc->bp ^ 0xff) << 16;
-    bytein(mqc);
-    mqc->c = mqc->c << 7;
-    mqc->a = 0x8000;
-}
-
-int ff_mqc_decode(MqcState *mqc, uint8_t *cxstate)
-{
-    mqc->a -= ff_mqc_qe[*cxstate];
-    if ((mqc->c >> 16) < mqc->a) {
-        if (mqc->a & 0x8000)
-            return *cxstate & 1;
-        else
-            return exchange(mqc, cxstate, 0);
-    } else {
-        mqc->c -= mqc->a << 16;
-        return exchange(mqc, cxstate, 1);
-    }
-}