From 741fb4b9e135cfb161a749db88713229038577bb Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Thu, 5 Sep 2013 17:55:35 +0100
Subject: making act segmenter

---
 ffmpeg1/libavcodec/pcx.c | 234 -----------------------------------------------
 1 file changed, 234 deletions(-)
 delete mode 100644 ffmpeg1/libavcodec/pcx.c

(limited to 'ffmpeg1/libavcodec/pcx.c')

diff --git a/ffmpeg1/libavcodec/pcx.c b/ffmpeg1/libavcodec/pcx.c
deleted file mode 100644
index ba92332..0000000
--- a/ffmpeg1/libavcodec/pcx.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * PC Paintbrush PCX (.pcx) image decoder
- * Copyright (c) 2007, 2008 Ivo van Poorten
- *
- * This decoder does not support CGA palettes. I am unable to find samples
- * and Netpbm cannot generate them.
- *
- * 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
- */
-
-#include "libavutil/imgutils.h"
-#include "avcodec.h"
-#include "bytestream.h"
-#include "get_bits.h"
-#include "internal.h"
-
-static void pcx_rle_decode(GetByteContext *gb, uint8_t *dst,
-                           unsigned int bytes_per_scanline, int compressed)
-{
-    unsigned int i = 0;
-    unsigned char run, value;
-
-    if (compressed) {
-        while (i<bytes_per_scanline) {
-            run = 1;
-            value = bytestream2_get_byte(gb);
-            if (value >= 0xc0) {
-                run = value & 0x3f;
-                value = bytestream2_get_byte(gb);
-            }
-            while (i<bytes_per_scanline && run--)
-                dst[i++] = value;
-        }
-    } else {
-        bytestream2_get_buffer(gb, dst, bytes_per_scanline);
-    }
-}
-
-static void pcx_palette(GetByteContext *gb, uint32_t *dst, int pallen)
-{
-    int i;
-
-    pallen = FFMIN(pallen, bytestream2_get_bytes_left(gb) / 3);
-    for (i=0; i<pallen; i++)
-        *dst++ = 0xFF000000 | bytestream2_get_be24u(gb);
-    if (pallen < 256)
-        memset(dst, 0, (256 - pallen) * sizeof(*dst));
-}
-
-static int pcx_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
-                            AVPacket *avpkt) {
-    GetByteContext gb;
-    AVFrame * const p = data;
-    int compressed, xmin, ymin, xmax, ymax, ret;
-    unsigned int w, h, bits_per_pixel, bytes_per_line, nplanes, stride, y, x,
-                 bytes_per_scanline;
-    uint8_t *ptr, *scanline;
-
-    if (avpkt->size < 128)
-        return AVERROR_INVALIDDATA;
-
-    bytestream2_init(&gb, avpkt->data, avpkt->size);
-
-    if (bytestream2_get_byteu(&gb) != 0x0a || bytestream2_get_byteu(&gb) > 5) {
-        av_log(avctx, AV_LOG_ERROR, "this is not PCX encoded data\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    compressed = bytestream2_get_byteu(&gb);
-    bits_per_pixel = bytestream2_get_byteu(&gb);
-    xmin = bytestream2_get_le16u(&gb);
-    ymin = bytestream2_get_le16u(&gb);
-    xmax = bytestream2_get_le16u(&gb);
-    ymax = bytestream2_get_le16u(&gb);
-    avctx->sample_aspect_ratio.num = bytestream2_get_le16u(&gb);
-    avctx->sample_aspect_ratio.den = bytestream2_get_le16u(&gb);
-
-    if (xmax < xmin || ymax < ymin) {
-        av_log(avctx, AV_LOG_ERROR, "invalid image dimensions\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    w = xmax - xmin + 1;
-    h = ymax - ymin + 1;
-
-    bytestream2_skipu(&gb, 49);
-    nplanes            = bytestream2_get_byteu(&gb);
-    bytes_per_line     = bytestream2_get_le16u(&gb);
-    bytes_per_scanline = nplanes * bytes_per_line;
-
-    if (bytes_per_scanline < (w * bits_per_pixel * nplanes + 7) / 8) {
-        av_log(avctx, AV_LOG_ERROR, "PCX data is corrupted\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    switch ((nplanes<<8) + bits_per_pixel) {
-        case 0x0308:
-            avctx->pix_fmt = AV_PIX_FMT_RGB24;
-            break;
-        case 0x0108:
-        case 0x0104:
-        case 0x0102:
-        case 0x0101:
-        case 0x0401:
-        case 0x0301:
-        case 0x0201:
-            avctx->pix_fmt = AV_PIX_FMT_PAL8;
-            break;
-        default:
-            av_log(avctx, AV_LOG_ERROR, "invalid PCX file\n");
-            return AVERROR_INVALIDDATA;
-    }
-
-    bytestream2_skipu(&gb, 60);
-
-    if ((ret = av_image_check_size(w, h, 0, avctx)) < 0)
-        return ret;
-    if (w != avctx->width || h != avctx->height)
-        avcodec_set_dimensions(avctx, w, h);
-    if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
-        return ret;
-
-    p->pict_type = AV_PICTURE_TYPE_I;
-
-    ptr    = p->data[0];
-    stride = p->linesize[0];
-
-    scanline = av_malloc(bytes_per_scanline + FF_INPUT_BUFFER_PADDING_SIZE);
-    if (!scanline)
-        return AVERROR(ENOMEM);
-
-    if (nplanes == 3 && bits_per_pixel == 8) {
-        for (y=0; y<h; y++) {
-            pcx_rle_decode(&gb, scanline, bytes_per_scanline, compressed);
-
-            for (x=0; x<w; x++) {
-                ptr[3*x  ] = scanline[x                    ];
-                ptr[3*x+1] = scanline[x+ bytes_per_line    ];
-                ptr[3*x+2] = scanline[x+(bytes_per_line<<1)];
-            }
-
-            ptr += stride;
-        }
-
-    } else if (nplanes == 1 && bits_per_pixel == 8) {
-        int palstart = avpkt->size - 769;
-
-        for (y=0; y<h; y++, ptr+=stride) {
-            pcx_rle_decode(&gb, scanline, bytes_per_scanline, compressed);
-            memcpy(ptr, scanline, w);
-        }
-
-        if (bytestream2_tell(&gb) != palstart) {
-            av_log(avctx, AV_LOG_WARNING, "image data possibly corrupted\n");
-            bytestream2_seek(&gb, palstart, SEEK_SET);
-        }
-        if (bytestream2_get_byte(&gb) != 12) {
-            av_log(avctx, AV_LOG_ERROR, "expected palette after image data\n");
-            ret = AVERROR_INVALIDDATA;
-            goto end;
-        }
-
-    } else if (nplanes == 1) {   /* all packed formats, max. 16 colors */
-        GetBitContext s;
-
-        for (y=0; y<h; y++) {
-            init_get_bits8(&s, scanline, bytes_per_scanline);
-
-            pcx_rle_decode(&gb, scanline, bytes_per_scanline, compressed);
-
-            for (x=0; x<w; x++)
-                ptr[x] = get_bits(&s, bits_per_pixel);
-            ptr += stride;
-        }
-
-    } else {    /* planar, 4, 8 or 16 colors */
-        int i;
-
-        for (y=0; y<h; y++) {
-            pcx_rle_decode(&gb, scanline, bytes_per_scanline, compressed);
-
-            for (x=0; x<w; x++) {
-                int m = 0x80 >> (x&7), v = 0;
-                for (i=nplanes - 1; i>=0; i--) {
-                    v <<= 1;
-                    v  += !!(scanline[i*bytes_per_line + (x>>3)] & m);
-                }
-                ptr[x] = v;
-            }
-            ptr += stride;
-        }
-    }
-
-    ret = bytestream2_tell(&gb);
-    if (nplanes == 1 && bits_per_pixel == 8) {
-        pcx_palette(&gb, (uint32_t *) p->data[1], 256);
-        ret += 256 * 3;
-    } else if (bits_per_pixel * nplanes == 1) {
-        AV_WN32A(p->data[1]  , 0xFF000000);
-        AV_WN32A(p->data[1]+4, 0xFFFFFFFF);
-    } else if (bits_per_pixel < 8) {
-        bytestream2_seek(&gb, 16, SEEK_SET);
-        pcx_palette(&gb, (uint32_t *) p->data[1], 16);
-    }
-
-    *got_frame = 1;
-
-end:
-    av_free(scanline);
-    return ret;
-}
-
-AVCodec ff_pcx_decoder = {
-    .name           = "pcx",
-    .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = AV_CODEC_ID_PCX,
-    .decode         = pcx_decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .long_name      = NULL_IF_CONFIG_SMALL("PC Paintbrush PCX image"),
-};
-- 
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