making act segmenter

1 files changed, 0 insertions, 358 deletions

diff --git a/ffmpeg1/libavcodec/eatgv.c b/ffmpeg1/libavcodec/eatgv.c
deleted file mode 100644
index 54074b3..0000000
--- a/ffmpeg1/libavcodec/eatgv.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/*
- * Electronic Arts TGV Video Decoder
- * Copyright (c) 2007-2008 Peter Ross
- *
- * 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 St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-/**
- * @file
- * Electronic Arts TGV Video Decoder
- * by Peter Ross (pross@xvid.org)
- *
- * Technical details here:
- * http://wiki.multimedia.cx/index.php?title=Electronic_Arts_TGV
- */
-
-#include "avcodec.h"
-#define BITSTREAM_READER_LE
-#include "get_bits.h"
-#include "internal.h"
-#include "libavutil/imgutils.h"
-#include "libavutil/mem.h"
-
-#define EA_PREAMBLE_SIZE    8
-#define kVGT_TAG MKTAG('k', 'V', 'G', 'T')
-
-typedef struct TgvContext {
-    AVCodecContext *avctx;
-    AVFrame last_frame;
-    uint8_t *frame_buffer;
-    int width,height;
-    uint32_t palette[AVPALETTE_COUNT];
-
-    int (*mv_codebook)[2];
-    uint8_t (*block_codebook)[16];
-    int num_mvs;           ///< current length of mv_codebook
-    int num_blocks_packed; ///< current length of block_codebook
-} TgvContext;
-
-static av_cold int tgv_decode_init(AVCodecContext *avctx)
-{
-    TgvContext *s = avctx->priv_data;
-    s->avctx         = avctx;
-    avctx->time_base = (AVRational){1, 15};
-    avctx->pix_fmt   = AV_PIX_FMT_PAL8;
-    avcodec_get_frame_defaults(&s->last_frame);
-    return 0;
-}
-
-/**
- * Unpack buffer
- * @return 0 on success, -1 on critical buffer underflow
- */
-static int unpack(const uint8_t *src, const uint8_t *src_end,
-                  uint8_t *dst, int width, int height)
-{
-    uint8_t *dst_end = dst + width*height;
-    int size, size1, size2, offset, run;
-    uint8_t *dst_start = dst;
-
-    if (src[0] & 0x01)
-        src += 5;
-    else
-        src += 2;
-
-    if (src_end - src < 3)
-        return AVERROR_INVALIDDATA;
-    size = AV_RB24(src);
-    src += 3;
-
-    while (size > 0 && src < src_end) {
-
-        /* determine size1 and size2 */
-        size1 = (src[0] & 3);
-        if (src[0] & 0x80) {  // 1
-            if (src[0] & 0x40 ) {  // 11
-                if (src[0] & 0x20) {  // 111
-                    if (src[0] < 0xFC)  // !(111111)
-                        size1 = (((src[0] & 31) + 1) << 2);
-                    src++;
-                    size2 = 0;
-                } else {  // 110
-                    offset = ((src[0] & 0x10) << 12) + AV_RB16(&src[1]) + 1;
-                    size2  = ((src[0] & 0xC) << 6) + src[3] + 5;
-                    src   += 4;
-                }
-            } else {  // 10
-                size1  = ((src[1] & 0xC0) >> 6);
-                offset = (AV_RB16(&src[1]) & 0x3FFF) + 1;
-                size2  = (src[0] & 0x3F) + 4;
-                src   += 3;
-            }
-        } else {  // 0
-            offset = ((src[0] & 0x60) << 3) + src[1] + 1;
-            size2  = ((src[0] & 0x1C) >> 2) + 3;
-            src   += 2;
-        }
-
-
-        /* fetch strip from src */
-        if (size1 > src_end - src)
-            break;
-
-        if (size1 > 0) {
-            size -= size1;
-            run   = FFMIN(size1, dst_end - dst);
-            memcpy(dst, src, run);
-            dst += run;
-            src += run;
-        }
-
-        if (size2 > 0) {
-            if (dst - dst_start < offset)
-                return 0;
-            size -= size2;
-            run   = FFMIN(size2, dst_end - dst);
-            av_memcpy_backptr(dst, offset, run);
-            dst += run;
-        }
-    }
-
-    return 0;
-}
-
-/**
- * Decode inter-frame
- * @return 0 on success, -1 on critical buffer underflow
- */
-static int tgv_decode_inter(TgvContext *s, AVFrame *frame,
-                            const uint8_t *buf, const uint8_t *buf_end)
-{
-    int num_mvs;
-    int num_blocks_raw;
-    int num_blocks_packed;
-    int vector_bits;
-    int i,j,x,y;
-    GetBitContext gb;
-    int mvbits;
-    const uint8_t *blocks_raw;
-
-    if(buf_end - buf < 12)
-        return AVERROR_INVALIDDATA;
-
-    num_mvs           = AV_RL16(&buf[0]);
-    num_blocks_raw    = AV_RL16(&buf[2]);
-    num_blocks_packed = AV_RL16(&buf[4]);
-    vector_bits       = AV_RL16(&buf[6]);
-    buf += 12;
-
-    if (vector_bits > MIN_CACHE_BITS || !vector_bits) {
-        av_log(s->avctx, AV_LOG_ERROR,
-               "Invalid value for motion vector bits: %d\n", vector_bits);
-        return AVERROR_INVALIDDATA;
-    }
-
-    /* allocate codebook buffers as necessary */
-    if (num_mvs > s->num_mvs) {
-        s->mv_codebook = av_realloc(s->mv_codebook, num_mvs*2*sizeof(int));
-        s->num_mvs = num_mvs;
-    }
-
-    if (num_blocks_packed > s->num_blocks_packed) {
-        s->block_codebook = av_realloc(s->block_codebook, num_blocks_packed*16);
-        s->num_blocks_packed = num_blocks_packed;
-    }
-
-    /* read motion vectors */
-    mvbits = (num_mvs * 2 * 10 + 31) & ~31;
-
-    if (buf_end - buf < (mvbits>>3) + 16*num_blocks_raw + 8*num_blocks_packed)
-        return AVERROR_INVALIDDATA;
-
-    init_get_bits(&gb, buf, mvbits);
-    for (i = 0; i < num_mvs; i++) {
-        s->mv_codebook[i][0] = get_sbits(&gb, 10);
-        s->mv_codebook[i][1] = get_sbits(&gb, 10);
-    }
-    buf += mvbits >> 3;
-
-    /* note ptr to uncompressed blocks */
-    blocks_raw = buf;
-    buf       += num_blocks_raw * 16;
-
-    /* read compressed blocks */
-    init_get_bits(&gb, buf, (buf_end - buf) << 3);
-    for (i = 0; i < num_blocks_packed; i++) {
-        int tmp[4];
-        for (j = 0; j < 4; j++)
-            tmp[j] = get_bits(&gb, 8);
-        for (j = 0; j < 16; j++)
-            s->block_codebook[i][15-j] = tmp[get_bits(&gb, 2)];
-    }
-
-    if (get_bits_left(&gb) < vector_bits *
-        (s->avctx->height / 4) * (s->avctx->width / 4))
-        return AVERROR_INVALIDDATA;
-
-    /* read vectors and build frame */
-    for (y = 0; y < s->avctx->height / 4; y++)
-        for (x = 0; x < s->avctx->width / 4; x++) {
-            unsigned int vector = get_bits(&gb, vector_bits);
-            const uint8_t *src;
-            int src_stride;
-
-            if (vector < num_mvs) {
-                int mx = x * 4 + s->mv_codebook[vector][0];
-                int my = y * 4 + s->mv_codebook[vector][1];
-
-                if (mx < 0 || mx + 4 > s->avctx->width ||
-                    my < 0 || my + 4 > s->avctx->height) {
-                    av_log(s->avctx, AV_LOG_ERROR, "MV %d %d out of picture\n", mx, my);
-                    continue;
-                }
-
-                src = s->last_frame.data[0] + mx + my * s->last_frame.linesize[0];
-                src_stride = s->last_frame.linesize[0];
-            } else {
-                int offset = vector - num_mvs;
-                if (offset < num_blocks_raw)
-                    src = blocks_raw + 16*offset;
-                else if (offset - num_blocks_raw < num_blocks_packed)
-                    src = s->block_codebook[offset - num_blocks_raw];
-                else
-                    continue;
-                src_stride = 4;
-            }
-
-            for (j = 0; j < 4; j++)
-                for (i = 0; i < 4; i++)
-                    frame->data[0][(y * 4 + j) * frame->linesize[0] + (x * 4 + i)] =
-                        src[j * src_stride + i];
-    }
-
-    return 0;
-}
-
-static int tgv_decode_frame(AVCodecContext *avctx,
-                            void *data, int *got_frame,
-                            AVPacket *avpkt)
-{
-    const uint8_t *buf     = avpkt->data;
-    int buf_size           = avpkt->size;
-    TgvContext *s          = avctx->priv_data;
-    const uint8_t *buf_end = buf + buf_size;
-    AVFrame *frame         = data;
-    int chunk_type, ret;
-
-    if (buf_end - buf < EA_PREAMBLE_SIZE)
-        return AVERROR_INVALIDDATA;
-
-    chunk_type = AV_RL32(&buf[0]);
-    buf       += EA_PREAMBLE_SIZE;
-
-    if (chunk_type == kVGT_TAG) {
-        int pal_count, i;
-        if(buf_end - buf < 12) {
-            av_log(avctx, AV_LOG_WARNING, "truncated header\n");
-            return AVERROR_INVALIDDATA;
-        }
-
-        s->width  = AV_RL16(&buf[0]);
-        s->height = AV_RL16(&buf[2]);
-        if (s->avctx->width != s->width || s->avctx->height != s->height) {
-            avcodec_set_dimensions(s->avctx, s->width, s->height);
-            av_freep(&s->frame_buffer);
-            av_frame_unref(&s->last_frame);
-        }
-
-        pal_count = AV_RL16(&buf[6]);
-        buf += 12;
-        for(i = 0; i < pal_count && i < AVPALETTE_COUNT && buf_end - buf >= 3; i++) {
-            s->palette[i] = 0xFFU << 24 | AV_RB24(buf);
-            buf += 3;
-        }
-    }
-
-    if ((ret = av_image_check_size(s->width, s->height, 0, avctx)) < 0)
-        return ret;
-
-    if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
-        return ret;
-
-    memcpy(frame->data[1], s->palette, AVPALETTE_SIZE);
-
-    if (chunk_type == kVGT_TAG) {
-        int y;
-        frame->key_frame = 1;
-        frame->pict_type = AV_PICTURE_TYPE_I;
-
-        if (!s->frame_buffer &&
-            !(s->frame_buffer = av_malloc(s->width * s->height)))
-            return AVERROR(ENOMEM);
-
-        if (unpack(buf, buf_end, s->frame_buffer, s->avctx->width, s->avctx->height) < 0) {
-            av_log(avctx, AV_LOG_WARNING, "truncated intra frame\n");
-            return AVERROR_INVALIDDATA;
-        }
-        for (y = 0; y < s->height; y++)
-            memcpy(frame->data[0]  + y * frame->linesize[0],
-                   s->frame_buffer + y * s->width,
-                   s->width);
-    } else {
-        if (!s->last_frame.data[0]) {
-            av_log(avctx, AV_LOG_WARNING, "inter frame without corresponding intra frame\n");
-            return buf_size;
-        }
-        frame->key_frame = 0;
-        frame->pict_type = AV_PICTURE_TYPE_P;
-        if (tgv_decode_inter(s, frame, buf, buf_end) < 0) {
-            av_log(avctx, AV_LOG_WARNING, "truncated inter frame\n");
-            return AVERROR_INVALIDDATA;
-        }
-    }
-
-    av_frame_unref(&s->last_frame);
-    if ((ret = av_frame_ref(&s->last_frame, frame)) < 0)
-        return ret;
-
-    *got_frame = 1;
-
-    return buf_size;
-}
-
-static av_cold int tgv_decode_end(AVCodecContext *avctx)
-{
-    TgvContext *s = avctx->priv_data;
-    av_frame_unref(&s->last_frame);
-    av_freep(&s->frame_buffer);
-    av_free(s->mv_codebook);
-    av_free(s->block_codebook);
-    return 0;
-}
-
-AVCodec ff_eatgv_decoder = {
-    .name           = "eatgv",
-    .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = AV_CODEC_ID_TGV,
-    .priv_data_size = sizeof(TgvContext),
-    .init           = tgv_decode_init,
-    .close          = tgv_decode_end,
-    .decode         = tgv_decode_frame,
-    .long_name      = NULL_IF_CONFIG_SMALL("Electronic Arts TGV video"),
-    .capabilities   = CODEC_CAP_DR1,
-};