forgot to rm lcl.c

Originally committed as revision 9614 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 0 insertions, 924 deletions

diff --git a/libavcodec/lcl.c b/libavcodec/lcl.c
deleted file mode 100644
index f3dbf13c17..0000000000
--- a/libavcodec/lcl.c
+++ /dev/null
@@ -1,924 +0,0 @@
-/*
- * LCL (LossLess Codec Library) Codec
- * Copyright (c) 2002-2004 Roberto Togni
- *
- * 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 lcl.c
- * LCL (LossLess Codec Library) Video Codec
- * Decoder for MSZH and ZLIB codecs
- * Experimental encoder for ZLIB RGB24
- *
- * Fourcc: MSZH, ZLIB
- *
- * Original Win32 dll:
- * Ver2.23 By Kenji Oshima 2000.09.20
- * avimszh.dll, avizlib.dll
- *
- * A description of the decoding algorithm can be found here:
- *   http://www.pcisys.net/~melanson/codecs
- *
- * Supports: BGR24 (RGB 24bpp)
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "avcodec.h"
-#include "bitstream.h"
-
-#ifdef CONFIG_ZLIB
-#include <zlib.h>
-#endif
-
-
-#define BMPTYPE_YUV 1
-#define BMPTYPE_RGB 2
-
-#define IMGTYPE_YUV111 0
-#define IMGTYPE_YUV422 1
-#define IMGTYPE_RGB24 2
-#define IMGTYPE_YUV411 3
-#define IMGTYPE_YUV211 4
-#define IMGTYPE_YUV420 5
-
-#define COMP_MSZH 0
-#define COMP_MSZH_NOCOMP 1
-#define COMP_ZLIB_HISPEED 1
-#define COMP_ZLIB_HICOMP 9
-#define COMP_ZLIB_NORMAL -1
-
-#define FLAG_MULTITHREAD 1
-#define FLAG_NULLFRAME 2
-#define FLAG_PNGFILTER 4
-#define FLAGMASK_UNUSED 0xf8
-
-#define CODEC_MSZH 1
-#define CODEC_ZLIB 3
-
-#define FOURCC_MSZH mmioFOURCC('M','S','Z','H')
-#define FOURCC_ZLIB mmioFOURCC('Z','L','I','B')
-
-/*
- * Decoder context
- */
-typedef struct LclContext {
-
-        AVCodecContext *avctx;
-        AVFrame pic;
-    PutBitContext pb;
-
-    // Image type
-    int imgtype;
-    // Compression type
-    int compression;
-    // Flags
-    int flags;
-    // Decompressed data size
-    unsigned int decomp_size;
-    // Decompression buffer
-    unsigned char* decomp_buf;
-    // Maximum compressed data size
-    unsigned int max_comp_size;
-    // Compression buffer
-    unsigned char* comp_buf;
-#ifdef CONFIG_ZLIB
-    z_stream zstream;
-#endif
-} LclContext;
-
-
-/*
- *
- * Helper functions
- *
- */
-static inline unsigned char fix (int pix14)
-{
-    int tmp;
-
-    tmp = (pix14 + 0x80000) >> 20;
-    if (tmp < 0)
-        return 0;
-    if (tmp > 255)
-        return 255;
-    return tmp;
-}
-
-
-
-static inline unsigned char get_b (unsigned char yq, signed char bq)
-{
-    return fix((yq << 20) + bq * 1858076);
-}
-
-
-
-static inline unsigned char get_g (unsigned char yq, signed char bq, signed char rq)
-{
-    return fix((yq << 20) - bq * 360857 - rq * 748830);
-}
-
-
-
-static inline unsigned char get_r (unsigned char yq, signed char rq)
-{
-    return fix((yq << 20) + rq * 1470103);
-}
-
-
-
-static unsigned int mszh_decomp(unsigned char * srcptr, int srclen, unsigned char * destptr, unsigned int destsize)
-{
-    unsigned char *destptr_bak = destptr;
-    unsigned char *destptr_end = destptr + destsize;
-    unsigned char mask = 0;
-    unsigned char maskbit = 0;
-    unsigned int ofs, cnt;
-
-    while ((srclen > 0) && (destptr < destptr_end)) {
-        if (maskbit == 0) {
-            mask = *(srcptr++);
-            maskbit = 8;
-            srclen--;
-            continue;
-        }
-        if ((mask & (1 << (--maskbit))) == 0) {
-            if (destptr + 4 > destptr_end)
-                break;
-            *(int*)destptr = *(int*)srcptr;
-            srclen -= 4;
-            destptr += 4;
-            srcptr += 4;
-        } else {
-            ofs = *(srcptr++);
-            cnt = *(srcptr++);
-            ofs += cnt * 256;;
-            cnt = ((cnt >> 3) & 0x1f) + 1;
-            ofs &= 0x7ff;
-            srclen -= 2;
-            cnt *= 4;
-            if (destptr + cnt > destptr_end) {
-                cnt =  destptr_end - destptr;
-            }
-            for (; cnt > 0; cnt--) {
-                *(destptr) = *(destptr - ofs);
-                destptr++;
-            }
-        }
-    }
-
-    return (destptr - destptr_bak);
-}
-
-
-
-#ifdef CONFIG_DECODERS
-/*
- *
- * Decode a frame
- *
- */
-static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size)
-{
-        LclContext * const c = avctx->priv_data;
-        unsigned char *encoded = (unsigned char *)buf;
-    unsigned int pixel_ptr;
-    int row, col;
-    unsigned char *outptr;
-    unsigned int width = avctx->width; // Real image width
-    unsigned int height = avctx->height; // Real image height
-    unsigned int mszh_dlen;
-    unsigned char yq, y1q, uq, vq;
-    int uqvq;
-    unsigned int mthread_inlen, mthread_outlen;
-#ifdef CONFIG_ZLIB
-    int zret; // Zlib return code
-#endif
-    unsigned int len = buf_size;
-
-        if(c->pic.data[0])
-                avctx->release_buffer(avctx, &c->pic);
-
-        c->pic.reference = 0;
-        c->pic.buffer_hints = FF_BUFFER_HINTS_VALID;
-        if(avctx->get_buffer(avctx, &c->pic) < 0){
-                av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
-                return -1;
-        }
-
-    outptr = c->pic.data[0]; // Output image pointer
-
-    /* Decompress frame */
-    switch (avctx->codec_id) {
-        case CODEC_ID_MSZH:
-            switch (c->compression) {
-                case COMP_MSZH:
-                    if (c->flags & FLAG_MULTITHREAD) {
-                        mthread_inlen = *((unsigned int*)encoded);
-                        mthread_outlen = *((unsigned int*)(encoded+4));
-                        if (mthread_outlen > c->decomp_size) // this should not happen
-                            mthread_outlen = c->decomp_size;
-                        mszh_dlen = mszh_decomp(encoded + 8, mthread_inlen, c->decomp_buf, c->decomp_size);
-                        if (mthread_outlen != mszh_dlen) {
-                            av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%d != %d)\n",
-                                   mthread_outlen, mszh_dlen);
-                            return -1;
-                        }
-                        mszh_dlen = mszh_decomp(encoded + 8 + mthread_inlen, len - mthread_inlen,
-                                                c->decomp_buf + mthread_outlen, c->decomp_size - mthread_outlen);
-                        if (mthread_outlen != mszh_dlen) {
-                            av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %d)\n",
-                                   mthread_outlen, mszh_dlen);
-                            return -1;
-                        }
-                        encoded = c->decomp_buf;
-                        len = c->decomp_size;
-                    } else {
-                        mszh_dlen = mszh_decomp(encoded, len, c->decomp_buf, c->decomp_size);
-                        if (c->decomp_size != mszh_dlen) {
-                            av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %d)\n",
-                                   c->decomp_size, mszh_dlen);
-                            return -1;
-                        }
-                        encoded = c->decomp_buf;
-                        len = mszh_dlen;
-                    }
-                    break;
-                case COMP_MSZH_NOCOMP:
-                    break;
-                default:
-                    av_log(avctx, AV_LOG_ERROR, "BUG! Unknown MSZH compression in frame decoder.\n");
-                    return -1;
-            }
-            break;
-        case CODEC_ID_ZLIB:
-#ifdef CONFIG_ZLIB
-            /* Using the original dll with normal compression (-1) and RGB format
-             * gives a file with ZLIB fourcc, but frame is really uncompressed.
-             * To be sure that's true check also frame size */
-            if ((c->compression == COMP_ZLIB_NORMAL) && (c->imgtype == IMGTYPE_RGB24) &&
-               (len == width * height * 3))
-                break;
-            zret = inflateReset(&(c->zstream));
-            if (zret != Z_OK) {
-                av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
-                return -1;
-            }
-            if (c->flags & FLAG_MULTITHREAD) {
-                mthread_inlen = *((unsigned int*)encoded);
-                mthread_outlen = *((unsigned int*)(encoded+4));
-                if (mthread_outlen > c->decomp_size)
-                    mthread_outlen = c->decomp_size;
-                c->zstream.next_in = encoded + 8;
-                c->zstream.avail_in = mthread_inlen;
-                c->zstream.next_out = c->decomp_buf;
-                c->zstream.avail_out = c->decomp_size;
-                zret = inflate(&(c->zstream), Z_FINISH);
-                if ((zret != Z_OK) && (zret != Z_STREAM_END)) {
-                    av_log(avctx, AV_LOG_ERROR, "Mthread1 inflate error: %d\n", zret);
-                    return -1;
-                }
-                if (mthread_outlen != (unsigned int)(c->zstream.total_out)) {
-                    av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%u != %lu)\n",
-                           mthread_outlen, c->zstream.total_out);
-                    return -1;
-                }
-                zret = inflateReset(&(c->zstream));
-                if (zret != Z_OK) {
-                    av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate reset error: %d\n", zret);
-                    return -1;
-                }
-                c->zstream.next_in = encoded + 8 + mthread_inlen;
-                c->zstream.avail_in = len - mthread_inlen;
-                c->zstream.next_out = c->decomp_buf + mthread_outlen;
-                c->zstream.avail_out = c->decomp_size - mthread_outlen;
-                zret = inflate(&(c->zstream), Z_FINISH);
-                if ((zret != Z_OK) && (zret != Z_STREAM_END)) {
-                    av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate error: %d\n", zret);
-                    return -1;
-                }
-                if (mthread_outlen != (unsigned int)(c->zstream.total_out)) {
-                    av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %lu)\n",
-                           mthread_outlen, c->zstream.total_out);
-                    return -1;
-                }
-            } else {
-                c->zstream.next_in = encoded;
-                c->zstream.avail_in = len;
-                c->zstream.next_out = c->decomp_buf;
-                c->zstream.avail_out = c->decomp_size;
-                zret = inflate(&(c->zstream), Z_FINISH);
-                if ((zret != Z_OK) && (zret != Z_STREAM_END)) {
-                    av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", zret);
-                    return -1;
-                }
-                if (c->decomp_size != (unsigned int)(c->zstream.total_out)) {
-                    av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %lu)\n",
-                           c->decomp_size, c->zstream.total_out);
-                    return -1;
-                }
-            }
-            encoded = c->decomp_buf;
-            len = c->decomp_size;;
-#else
-            av_log(avctx, AV_LOG_ERROR, "BUG! Zlib support not compiled in frame decoder.\n");
-            return -1;
-#endif
-            break;
-        default:
-            av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in frame decoder compression switch.\n");
-            return -1;
-    }
-
-
-    /* Apply PNG filter */
-    if ((avctx->codec_id == CODEC_ID_ZLIB) && (c->flags & FLAG_PNGFILTER)) {
-        switch (c->imgtype) {
-            case IMGTYPE_YUV111:
-            case IMGTYPE_RGB24:
-                for (row = 0; row < height; row++) {
-                    pixel_ptr = row * width * 3;
-                    yq = encoded[pixel_ptr++];
-                    uqvq = AV_RL16(encoded+pixel_ptr);
-                    pixel_ptr += 2;
-                    for (col = 1; col < width; col++) {
-                        encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
-                        uqvq -= AV_RL16(encoded+pixel_ptr+1);
-                        AV_WL16(encoded+pixel_ptr+1, uqvq);
-                        pixel_ptr += 3;
-                    }
-                }
-                break;
-            case IMGTYPE_YUV422:
-                for (row = 0; row < height; row++) {
-                    pixel_ptr = row * width * 2;
-                    yq = uq = vq =0;
-                    for (col = 0; col < width/4; col++) {
-                        encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
-                        encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
-                        encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2];
-                        encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3];
-                        encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4];
-                        encoded[pixel_ptr+5] = uq -= encoded[pixel_ptr+5];
-                        encoded[pixel_ptr+6] = vq -= encoded[pixel_ptr+6];
-                        encoded[pixel_ptr+7] = vq -= encoded[pixel_ptr+7];
-                        pixel_ptr += 8;
-                    }
-                }
-                break;
-            case IMGTYPE_YUV411:
-                for (row = 0; row < height; row++) {
-                    pixel_ptr = row * width / 2 * 3;
-                    yq = uq = vq =0;
-                    for (col = 0; col < width/4; col++) {
-                        encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
-                        encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
-                        encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2];
-                        encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3];
-                        encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4];
-                        encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5];
-                        pixel_ptr += 6;
-                    }
-                }
-                break;
-            case IMGTYPE_YUV211:
-                for (row = 0; row < height; row++) {
-                    pixel_ptr = row * width * 2;
-                    yq = uq = vq =0;
-                    for (col = 0; col < width/2; col++) {
-                        encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
-                        encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
-                        encoded[pixel_ptr+2] = uq -= encoded[pixel_ptr+2];
-                        encoded[pixel_ptr+3] = vq -= encoded[pixel_ptr+3];
-                        pixel_ptr += 4;
-                    }
-                }
-                break;
-            case IMGTYPE_YUV420:
-                for (row = 0; row < height/2; row++) {
-                    pixel_ptr = row * width * 3;
-                    yq = y1q = uq = vq =0;
-                    for (col = 0; col < width/2; col++) {
-                        encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
-                        encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
-                        encoded[pixel_ptr+2] = y1q -= encoded[pixel_ptr+2];
-                        encoded[pixel_ptr+3] = y1q -= encoded[pixel_ptr+3];
-                        encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4];
-                        encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5];
-                        pixel_ptr += 6;
-                    }
-                }
-                break;
-            default:
-                av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in pngfilter switch.\n");
-                return -1;
-        }
-    }
-
-    /* Convert colorspace */
-    switch (c->imgtype) {
-        case IMGTYPE_YUV111:
-            for (row = height - 1; row >= 0; row--) {
-                pixel_ptr = row * c->pic.linesize[0];
-                for (col = 0; col < width; col++) {
-                    outptr[pixel_ptr++] = get_b(encoded[0], encoded[1]);
-                    outptr[pixel_ptr++] = get_g(encoded[0], encoded[1], encoded[2]);
-                    outptr[pixel_ptr++] = get_r(encoded[0], encoded[2]);
-                    encoded += 3;
-                }
-            }
-            break;
-        case IMGTYPE_YUV422:
-            for (row = height - 1; row >= 0; row--) {
-                pixel_ptr = row * c->pic.linesize[0];
-                for (col = 0; col < width/4; col++) {
-                    outptr[pixel_ptr++] = get_b(encoded[0], encoded[4]);
-                    outptr[pixel_ptr++] = get_g(encoded[0], encoded[4], encoded[6]);
-                    outptr[pixel_ptr++] = get_r(encoded[0], encoded[6]);
-                    outptr[pixel_ptr++] = get_b(encoded[1], encoded[4]);
-                    outptr[pixel_ptr++] = get_g(encoded[1], encoded[4], encoded[6]);
-                    outptr[pixel_ptr++] = get_r(encoded[1], encoded[6]);
-                    outptr[pixel_ptr++] = get_b(encoded[2], encoded[5]);
-                    outptr[pixel_ptr++] = get_g(encoded[2], encoded[5], encoded[7]);
-                    outptr[pixel_ptr++] = get_r(encoded[2], encoded[7]);
-                    outptr[pixel_ptr++] = get_b(encoded[3], encoded[5]);
-                    outptr[pixel_ptr++] = get_g(encoded[3], encoded[5], encoded[7]);
-                    outptr[pixel_ptr++] = get_r(encoded[3], encoded[7]);
-                    encoded += 8;
-                }
-            }
-            break;
-        case IMGTYPE_RGB24:
-            for (row = height - 1; row >= 0; row--) {
-                pixel_ptr = row * c->pic.linesize[0];
-                for (col = 0; col < width; col++) {
-                    outptr[pixel_ptr++] = encoded[0];
-                    outptr[pixel_ptr++] = encoded[1];
-                    outptr[pixel_ptr++] = encoded[2];
-                    encoded += 3;
-                }
-            }
-            break;
-        case IMGTYPE_YUV411:
-            for (row = height - 1; row >= 0; row--) {
-                pixel_ptr = row * c->pic.linesize[0];
-                for (col = 0; col < width/4; col++) {
-                    outptr[pixel_ptr++] = get_b(encoded[0], encoded[4]);
-                    outptr[pixel_ptr++] = get_g(encoded[0], encoded[4], encoded[5]);
-                    outptr[pixel_ptr++] = get_r(encoded[0], encoded[5]);
-                    outptr[pixel_ptr++] = get_b(encoded[1], encoded[4]);
-                    outptr[pixel_ptr++] = get_g(encoded[1], encoded[4], encoded[5]);
-                    outptr[pixel_ptr++] = get_r(encoded[1], encoded[5]);
-                    outptr[pixel_ptr++] = get_b(encoded[2], encoded[4]);
-                    outptr[pixel_ptr++] = get_g(encoded[2], encoded[4], encoded[5]);
-                    outptr[pixel_ptr++] = get_r(encoded[2], encoded[5]);
-                    outptr[pixel_ptr++] = get_b(encoded[3], encoded[4]);
-                    outptr[pixel_ptr++] = get_g(encoded[3], encoded[4], encoded[5]);
-                    outptr[pixel_ptr++] = get_r(encoded[3], encoded[5]);
-                    encoded += 6;
-                }
-            }
-            break;
-        case IMGTYPE_YUV211:
-            for (row = height - 1; row >= 0; row--) {
-                pixel_ptr = row * c->pic.linesize[0];
-                for (col = 0; col < width/2; col++) {
-                    outptr[pixel_ptr++] = get_b(encoded[0], encoded[2]);
-                    outptr[pixel_ptr++] = get_g(encoded[0], encoded[2], encoded[3]);
-                    outptr[pixel_ptr++] = get_r(encoded[0], encoded[3]);
-                    outptr[pixel_ptr++] = get_b(encoded[1], encoded[2]);
-                    outptr[pixel_ptr++] = get_g(encoded[1], encoded[2], encoded[3]);
-                    outptr[pixel_ptr++] = get_r(encoded[1], encoded[3]);
-                    encoded += 4;
-                }
-            }
-            break;
-        case IMGTYPE_YUV420:
-            for (row = height / 2 - 1; row >= 0; row--) {
-                pixel_ptr = 2 * row * c->pic.linesize[0];
-                for (col = 0; col < width/2; col++) {
-                    outptr[pixel_ptr] = get_b(encoded[0], encoded[4]);
-                    outptr[pixel_ptr+1] = get_g(encoded[0], encoded[4], encoded[5]);
-                    outptr[pixel_ptr+2] = get_r(encoded[0], encoded[5]);
-                    outptr[pixel_ptr+3] = get_b(encoded[1], encoded[4]);
-                    outptr[pixel_ptr+4] = get_g(encoded[1], encoded[4], encoded[5]);
-                    outptr[pixel_ptr+5] = get_r(encoded[1], encoded[5]);
-                    outptr[pixel_ptr-c->pic.linesize[0]] = get_b(encoded[2], encoded[4]);
-                    outptr[pixel_ptr-c->pic.linesize[0]+1] = get_g(encoded[2], encoded[4], encoded[5]);
-                    outptr[pixel_ptr-c->pic.linesize[0]+2] = get_r(encoded[2], encoded[5]);
-                    outptr[pixel_ptr-c->pic.linesize[0]+3] = get_b(encoded[3], encoded[4]);
-                    outptr[pixel_ptr-c->pic.linesize[0]+4] = get_g(encoded[3], encoded[4], encoded[5]);
-                    outptr[pixel_ptr-c->pic.linesize[0]+5] = get_r(encoded[3], encoded[5]);
-                    pixel_ptr += 6;
-                    encoded += 6;
-                }
-            }
-            break;
-        default:
-            av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in image decoder.\n");
-            return -1;
-    }
-
-    *data_size = sizeof(AVFrame);
-    *(AVFrame*)data = c->pic;
-
-    /* always report that the buffer was completely consumed */
-    return buf_size;
-}
-#endif
-
-#ifdef CONFIG_ENCODERS
-/*
- *
- * Encode a frame
- *
- */
-static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
-    LclContext *c = avctx->priv_data;
-    AVFrame *pict = data;
-    AVFrame * const p = &c->pic;
-    int i;
-    int zret; // Zlib return code
-
-#ifndef CONFIG_ZLIB
-    av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled in.\n");
-    return -1;
-#else
-
-    init_put_bits(&c->pb, buf, buf_size);
-
-    *p = *pict;
-    p->pict_type= FF_I_TYPE;
-    p->key_frame= 1;
-
-    if(avctx->pix_fmt != PIX_FMT_BGR24){
-        av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
-        return -1;
-    }
-
-    zret = deflateReset(&(c->zstream));
-    if (zret != Z_OK) {
-        av_log(avctx, AV_LOG_ERROR, "Deflate reset error: %d\n", zret);
-        return -1;
-    }
-    c->zstream.next_out = c->comp_buf;
-    c->zstream.avail_out = c->max_comp_size;
-
-    for(i = avctx->height - 1; i >= 0; i--) {
-        c->zstream.next_in = p->data[0]+p->linesize[0]*i;
-        c->zstream.avail_in = avctx->width*3;
-        zret = deflate(&(c->zstream), Z_NO_FLUSH);
-        if (zret != Z_OK) {
-            av_log(avctx, AV_LOG_ERROR, "Deflate error: %d\n", zret);
-            return -1;
-        }
-    }
-    zret = deflate(&(c->zstream), Z_FINISH);
-    if (zret != Z_STREAM_END) {
-        av_log(avctx, AV_LOG_ERROR, "Deflate error: %d\n", zret);
-        return -1;
-    }
-
-    for (i = 0; i < c->zstream.total_out; i++)
-        put_bits(&c->pb, 8, c->comp_buf[i]);
-    flush_put_bits(&c->pb);
-
-    return c->zstream.total_out;
-#endif
-}
-#endif /* CONFIG_ENCODERS */
-
-#ifdef CONFIG_DECODERS
-/*
- *
- * Init lcl decoder
- *
- */
-static int decode_init(AVCodecContext *avctx)
-{
-    LclContext * const c = avctx->priv_data;
-    unsigned int basesize = avctx->width * avctx->height;
-    unsigned int max_basesize = ((avctx->width + 3) & ~3) * ((avctx->height + 3) & ~3);
-    unsigned int max_decomp_size;
-    int zret; // Zlib return code
-
-    c->avctx = avctx;
-
-    c->pic.data[0] = NULL;
-
-#ifdef CONFIG_ZLIB
-    // Needed if zlib unused or init aborted before inflateInit
-    memset(&(c->zstream), 0, sizeof(z_stream));
-#endif
-
-    if (avctx->extradata_size < 8) {
-        av_log(avctx, AV_LOG_ERROR, "Extradata size too small.\n");
-        return 1;
-    }
-
-    if (avcodec_check_dimensions(avctx, avctx->width, avctx->height) < 0) {
-        return 1;
-    }
-
-    /* Check codec type */
-    if (((avctx->codec_id == CODEC_ID_MSZH)  && (*((char *)avctx->extradata + 7) != CODEC_MSZH)) ||
-        ((avctx->codec_id == CODEC_ID_ZLIB)  && (*((char *)avctx->extradata + 7) != CODEC_ZLIB))) {
-        av_log(avctx, AV_LOG_ERROR, "Codec id and codec type mismatch. This should not happen.\n");
-    }
-
-    /* Detect image type */
-    switch (c->imgtype = *((char *)avctx->extradata + 4)) {
-        case IMGTYPE_YUV111:
-            c->decomp_size = basesize * 3;
-            max_decomp_size = max_basesize * 3;
-            av_log(avctx, AV_LOG_INFO, "Image type is YUV 1:1:1.\n");
-            break;
-        case IMGTYPE_YUV422:
-            c->decomp_size = basesize * 2;
-            max_decomp_size = max_basesize * 2;
-            av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:2:2.\n");
-            break;
-        case IMGTYPE_RGB24:
-            c->decomp_size = basesize * 3;
-            max_decomp_size = max_basesize * 3;
-            av_log(avctx, AV_LOG_INFO, "Image type is RGB 24.\n");
-            break;
-        case IMGTYPE_YUV411:
-            c->decomp_size = basesize / 2 * 3;
-            max_decomp_size = max_basesize / 2 * 3;
-            av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:1:1.\n");
-            break;
-        case IMGTYPE_YUV211:
-            c->decomp_size = basesize * 2;
-            max_decomp_size = max_basesize * 2;
-            av_log(avctx, AV_LOG_INFO, "Image type is YUV 2:1:1.\n");
-            break;
-        case IMGTYPE_YUV420:
-            c->decomp_size = basesize / 2 * 3;
-            max_decomp_size = max_basesize / 2 * 3;
-            av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:2:0.\n");
-            break;
-        default:
-            av_log(avctx, AV_LOG_ERROR, "Unsupported image format %d.\n", c->imgtype);
-            return 1;
-    }
-
-    /* Detect compression method */
-    c->compression = *((char *)avctx->extradata + 5);
-    switch (avctx->codec_id) {
-        case CODEC_ID_MSZH:
-            switch (c->compression) {
-                case COMP_MSZH:
-                    av_log(avctx, AV_LOG_INFO, "Compression enabled.\n");
-                    break;
-                case COMP_MSZH_NOCOMP:
-                    c->decomp_size = 0;
-                    av_log(avctx, AV_LOG_INFO, "No compression.\n");
-                    break;
-                default:
-                    av_log(avctx, AV_LOG_ERROR, "Unsupported compression format for MSZH (%d).\n", c->compression);
-                    return 1;
-            }
-            break;
-        case CODEC_ID_ZLIB:
-#ifdef CONFIG_ZLIB
-            switch (c->compression) {
-                case COMP_ZLIB_HISPEED:
-                    av_log(avctx, AV_LOG_INFO, "High speed compression.\n");
-                    break;
-                case COMP_ZLIB_HICOMP:
-                    av_log(avctx, AV_LOG_INFO, "High compression.\n");
-                    break;
-                case COMP_ZLIB_NORMAL:
-                    av_log(avctx, AV_LOG_INFO, "Normal compression.\n");
-                    break;
-                default:
-                    if ((c->compression < Z_NO_COMPRESSION) || (c->compression > Z_BEST_COMPRESSION)) {
-                            av_log(avctx, AV_LOG_ERROR, "Unsupported compression level for ZLIB: (%d).\n", c->compression);
-                        return 1;
-                    }
-                    av_log(avctx, AV_LOG_INFO, "Compression level for ZLIB: (%d).\n", c->compression);
-            }
-#else
-            av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
-            return 1;
-#endif
-            break;
-        default:
-            av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in compression switch.\n");
-            return 1;
-    }
-
-    /* Allocate decompression buffer */
-    if (c->decomp_size) {
-        if ((c->decomp_buf = av_malloc(max_decomp_size)) == NULL) {
-            av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
-            return 1;
-        }
-    }
-
-    /* Detect flags */
-    c->flags = *((char *)avctx->extradata + 6);
-    if (c->flags & FLAG_MULTITHREAD)
-        av_log(avctx, AV_LOG_INFO, "Multithread encoder flag set.\n");
-    if (c->flags & FLAG_NULLFRAME)
-        av_log(avctx, AV_LOG_INFO, "Nullframe insertion flag set.\n");
-    if ((avctx->codec_id == CODEC_ID_ZLIB) && (c->flags & FLAG_PNGFILTER))
-        av_log(avctx, AV_LOG_INFO, "PNG filter flag set.\n");
-    if (c->flags & FLAGMASK_UNUSED)
-        av_log(avctx, AV_LOG_ERROR, "Unknown flag set (%d).\n", c->flags);
-
-    /* If needed init zlib */
-    if (avctx->codec_id == CODEC_ID_ZLIB) {
-#ifdef CONFIG_ZLIB
-        c->zstream.zalloc = Z_NULL;
-        c->zstream.zfree = Z_NULL;
-        c->zstream.opaque = Z_NULL;
-        zret = inflateInit(&(c->zstream));
-        if (zret != Z_OK) {
-            av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
-            return 1;
-        }
-#else
-    av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
-    return 1;
-#endif
-    }
-
-    avctx->pix_fmt = PIX_FMT_BGR24;
-
-    return 0;
-}
-#endif /* CONFIG_DECODERS */
-
-#ifdef CONFIG_ENCODERS
-/*
- *
- * Init lcl encoder
- *
- */
-static int encode_init(AVCodecContext *avctx)
-{
-    LclContext *c = avctx->priv_data;
-    int zret; // Zlib return code
-
-#ifndef CONFIG_ZLIB
-    av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
-    return 1;
-#else
-
-    c->avctx= avctx;
-
-    assert(avctx->width && avctx->height);
-
-    avctx->extradata= av_mallocz(8);
-    avctx->coded_frame= &c->pic;
-
-    // Will be user settable someday
-    c->compression = 6;
-    c->flags = 0;
-
-    switch(avctx->pix_fmt){
-        case PIX_FMT_BGR24:
-            c->imgtype = IMGTYPE_RGB24;
-            c->decomp_size = avctx->width * avctx->height * 3;
-            avctx->bits_per_sample= 24;
-            break;
-        default:
-            av_log(avctx, AV_LOG_ERROR, "Format %d not supported\n", avctx->pix_fmt);
-            return -1;
-    }
-
-    ((uint8_t*)avctx->extradata)[0]= 4;
-    ((uint8_t*)avctx->extradata)[1]= 0;
-    ((uint8_t*)avctx->extradata)[2]= 0;
-    ((uint8_t*)avctx->extradata)[3]= 0;
-    ((uint8_t*)avctx->extradata)[4]= c->imgtype;
-    ((uint8_t*)avctx->extradata)[5]= c->compression;
-    ((uint8_t*)avctx->extradata)[6]= c->flags;
-    ((uint8_t*)avctx->extradata)[7]= CODEC_ZLIB;
-    c->avctx->extradata_size= 8;
-
-    c->zstream.zalloc = Z_NULL;
-    c->zstream.zfree = Z_NULL;
-    c->zstream.opaque = Z_NULL;
-    zret = deflateInit(&(c->zstream), c->compression);
-    if (zret != Z_OK) {
-        av_log(avctx, AV_LOG_ERROR, "Deflate init error: %d\n", zret);
-        return 1;
-    }
-
-        /* Conservative upper bound taken from zlib v1.2.1 source */
-        c->max_comp_size = c->decomp_size + ((c->decomp_size + 7) >> 3) +
-                           ((c->decomp_size + 63) >> 6) + 11;
-    if ((c->comp_buf = av_malloc(c->max_comp_size)) == NULL) {
-        av_log(avctx, AV_LOG_ERROR, "Can't allocate compression buffer.\n");
-        return 1;
-    }
-
-    return 0;
-#endif
-}
-#endif /* CONFIG_ENCODERS */
-
-
-
-#ifdef CONFIG_DECODERS
-/*
- *
- * Uninit lcl decoder
- *
- */
-static int decode_end(AVCodecContext *avctx)
-{
-        LclContext * const c = avctx->priv_data;
-
-        if (c->pic.data[0])
-                avctx->release_buffer(avctx, &c->pic);
-#ifdef CONFIG_ZLIB
-    inflateEnd(&(c->zstream));
-#endif
-
-        return 0;
-}
-#endif
-
-#ifdef CONFIG_ENCODERS
-/*
- *
- * Uninit lcl encoder
- *
- */
-static int encode_end(AVCodecContext *avctx)
-{
-    LclContext *c = avctx->priv_data;
-
-    av_freep(&avctx->extradata);
-    av_freep(&c->comp_buf);
-#ifdef CONFIG_ZLIB
-    deflateEnd(&(c->zstream));
-#endif
-
-    return 0;
-}
-#endif
-
-#ifdef CONFIG_MSZH_DECODER
-AVCodec mszh_decoder = {
-        "mszh",
-        CODEC_TYPE_VIDEO,
-        CODEC_ID_MSZH,
-        sizeof(LclContext),
-        decode_init,
-        NULL,
-        decode_end,
-        decode_frame,
-        CODEC_CAP_DR1,
-};
-#endif
-
-#ifdef CONFIG_ZLIB_DECODER
-AVCodec zlib_decoder = {
-        "zlib",
-        CODEC_TYPE_VIDEO,
-        CODEC_ID_ZLIB,
-        sizeof(LclContext),
-        decode_init,
-        NULL,
-        decode_end,
-        decode_frame,
-        CODEC_CAP_DR1,
-};
-#endif
-
-#ifdef CONFIG_ENCODERS
-
-AVCodec zlib_encoder = {
-    "zlib",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_ZLIB,
-    sizeof(LclContext),
-    encode_init,
-    encode_frame,
-    encode_end,
-};
-
-#endif //CONFIG_ENCODERS