From 22e28216336da876e1fd17f380ce42eaf1446769 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Mon, 17 Feb 2014 13:36:38 +0000
Subject: chasing indexing error

---
 ffmpeg/libavcodec/xl.c | 138 -------------------------------------------------
 1 file changed, 138 deletions(-)
 delete mode 100644 ffmpeg/libavcodec/xl.c

(limited to 'ffmpeg/libavcodec/xl.c')

diff --git a/ffmpeg/libavcodec/xl.c b/ffmpeg/libavcodec/xl.c
deleted file mode 100644
index 2d1da1d..0000000
--- a/ffmpeg/libavcodec/xl.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Miro VideoXL codec
- * Copyright (c) 2004 Konstantin Shishkov
- *
- * 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
- */
-
-/**
- * @file
- * Miro VideoXL codec.
- */
-
-#include "libavutil/common.h"
-#include "libavutil/intreadwrite.h"
-#include "avcodec.h"
-#include "internal.h"
-
-static const int xl_table[32] = {
-   0,   1,   2,   3,   4,   5,   6,   7,
-   8,   9,  12,  15,  20,  25,  34,  46,
-  64,  82,  94, 103, 108, 113, 116, 119,
- 120, 121, 122, 123, 124, 125, 126, 127
-};
-
-static int decode_frame(AVCodecContext *avctx,
-                        void *data, int *got_frame,
-                        AVPacket *avpkt)
-{
-    const uint8_t *buf = avpkt->data;
-    int buf_size       = avpkt->size;
-    AVFrame *const p   = data;
-    uint8_t *Y, *U, *V;
-    int i, j, ret;
-    int stride;
-    uint32_t val;
-    int y0, y1, y2, y3 = 0, c0 = 0, c1 = 0;
-
-    if (avctx->width % 4) {
-        av_log(avctx, AV_LOG_ERROR, "width is not a multiple of 4\n");
-        return AVERROR_INVALIDDATA;
-    }
-    if (buf_size < avctx->width * avctx->height) {
-        av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
-        return ret;
-    p->pict_type = AV_PICTURE_TYPE_I;
-    p->key_frame = 1;
-
-    Y = p->data[0];
-    U = p->data[1];
-    V = p->data[2];
-
-    stride = avctx->width - 4;
-
-    for (i = 0; i < avctx->height; i++) {
-        /* lines are stored in reversed order */
-        buf += stride;
-
-        for (j = 0; j < avctx->width; j += 4) {
-            /* value is stored in LE dword with word swapped */
-            val  = AV_RL32(buf);
-            buf -= 4;
-            val  = ((val >> 16) & 0xFFFF) | ((val & 0xFFFF) << 16);
-
-            if (!j)
-                y0 = (val & 0x1F) << 2;
-            else
-                y0 = y3 + xl_table[val & 0x1F];
-            val >>= 5;
-            y1    = y0 + xl_table[val & 0x1F];
-            val >>= 5;
-            y2    = y1 + xl_table[val & 0x1F];
-            val >>= 6; /* align to word */
-            y3    = y2 + xl_table[val & 0x1F];
-            val >>= 5;
-            if (!j)
-                c0 = (val & 0x1F) << 2;
-            else
-                c0 += xl_table[val & 0x1F];
-            val >>= 5;
-            if (!j)
-                c1 = (val & 0x1F) << 2;
-            else
-                c1 += xl_table[val & 0x1F];
-
-            Y[j + 0] = y0 << 1;
-            Y[j + 1] = y1 << 1;
-            Y[j + 2] = y2 << 1;
-            Y[j + 3] = y3 << 1;
-
-            U[j >> 2] = c0 << 1;
-            V[j >> 2] = c1 << 1;
-        }
-
-        buf += avctx->width + 4;
-        Y   += p->linesize[0];
-        U   += p->linesize[1];
-        V   += p->linesize[2];
-    }
-
-    *got_frame = 1;
-
-    return buf_size;
-}
-
-static av_cold int decode_init(AVCodecContext *avctx)
-{
-    avctx->pix_fmt = AV_PIX_FMT_YUV411P;
-
-    return 0;
-}
-
-AVCodec ff_xl_decoder = {
-    .name         = "xl",
-    .long_name    = NULL_IF_CONFIG_SMALL("Miro VideoXL"),
-    .type         = AVMEDIA_TYPE_VIDEO,
-    .id           = AV_CODEC_ID_VIXL,
-    .init         = decode_init,
-    .decode       = decode_frame,
-    .capabilities = CODEC_CAP_DR1,
-};
-- 
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