making act segmenter

1 files changed, 0 insertions, 252 deletions

diff --git a/ffmpeg1/libavcodec/eatgq.c b/ffmpeg1/libavcodec/eatgq.c
deleted file mode 100644
index cf93c06..0000000
--- a/ffmpeg1/libavcodec/eatgq.c
+++ /dev/null
@@ -1,252 +0,0 @@
-/*
- * Electronic Arts TGQ Video Decoder
- * Copyright (c) 2007-2008 Peter Ross <pross@xvid.org>
- *
- * 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 TGQ Video Decoder
- * @author Peter Ross <pross@xvid.org>
- *
- * Technical details here:
- * http://wiki.multimedia.cx/index.php?title=Electronic_Arts_TGQ
- */
-
-#include "avcodec.h"
-#define BITSTREAM_READER_LE
-#include "get_bits.h"
-#include "bytestream.h"
-#include "dsputil.h"
-#include "aandcttab.h"
-#include "eaidct.h"
-#include "internal.h"
-
-typedef struct TgqContext {
-    AVCodecContext *avctx;
-    int width, height;
-    ScanTable scantable;
-    int qtable[64];
-    DECLARE_ALIGNED(16, int16_t, block)[6][64];
-    GetByteContext gb;
-} TgqContext;
-
-static av_cold int tgq_decode_init(AVCodecContext *avctx)
-{
-    TgqContext *s = avctx->priv_data;
-    uint8_t idct_permutation[64];
-    s->avctx = avctx;
-    ff_init_scantable_permutation(idct_permutation, FF_NO_IDCT_PERM);
-    ff_init_scantable(idct_permutation, &s->scantable, ff_zigzag_direct);
-    avctx->time_base = (AVRational){1, 15};
-    avctx->pix_fmt   = AV_PIX_FMT_YUV420P;
-    return 0;
-}
-
-static void tgq_decode_block(TgqContext *s, int16_t block[64], GetBitContext *gb)
-{
-    uint8_t *perm = s->scantable.permutated;
-    int i, j, value;
-    block[0] = get_sbits(gb, 8) * s->qtable[0];
-    for (i = 1; i < 64;) {
-        switch (show_bits(gb, 3)) {
-        case 4:
-            block[perm[i++]] = 0;
-        case 0:
-            block[perm[i++]] = 0;
-            skip_bits(gb, 3);
-            break;
-        case 5:
-        case 1:
-            skip_bits(gb, 2);
-            value = get_bits(gb, 6);
-            for (j = 0; j < value; j++)
-                block[perm[i++]] = 0;
-            break;
-        case 6:
-            skip_bits(gb, 3);
-            block[perm[i]] = -s->qtable[perm[i]];
-            i++;
-            break;
-        case 2:
-            skip_bits(gb, 3);
-            block[perm[i]] = s->qtable[perm[i]];
-            i++;
-            break;
-        case 7: // 111b
-        case 3: // 011b
-            skip_bits(gb, 2);
-            if (show_bits(gb, 6) == 0x3F) {
-                skip_bits(gb, 6);
-                block[perm[i]] = get_sbits(gb, 8) * s->qtable[perm[i]];
-            } else {
-                block[perm[i]] = get_sbits(gb, 6) * s->qtable[perm[i]];
-            }
-            i++;
-            break;
-        }
-    }
-    block[0] += 128 << 4;
-}
-
-static void tgq_idct_put_mb(TgqContext *s, int16_t (*block)[64], AVFrame *frame,
-                            int mb_x, int mb_y)
-{
-    int linesize = frame->linesize[0];
-    uint8_t *dest_y  = frame->data[0] + (mb_y * 16 * linesize)           + mb_x * 16;
-    uint8_t *dest_cb = frame->data[1] + (mb_y * 8  * frame->linesize[1]) + mb_x * 8;
-    uint8_t *dest_cr = frame->data[2] + (mb_y * 8  * frame->linesize[2]) + mb_x * 8;
-
-    ff_ea_idct_put_c(dest_y                   , linesize, block[0]);
-    ff_ea_idct_put_c(dest_y                + 8, linesize, block[1]);
-    ff_ea_idct_put_c(dest_y + 8 * linesize    , linesize, block[2]);
-    ff_ea_idct_put_c(dest_y + 8 * linesize + 8, linesize, block[3]);
-    if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
-         ff_ea_idct_put_c(dest_cb, frame->linesize[1], block[4]);
-         ff_ea_idct_put_c(dest_cr, frame->linesize[2], block[5]);
-    }
-}
-
-static inline void tgq_dconly(TgqContext *s, unsigned char *dst,
-                              int dst_stride, int dc)
-{
-    int level = av_clip_uint8((dc*s->qtable[0] + 2056) >> 4);
-    int j;
-    for (j = 0; j < 8; j++)
-        memset(dst + j * dst_stride, level, 8);
-}
-
-static void tgq_idct_put_mb_dconly(TgqContext *s, AVFrame *frame,
-                                   int mb_x, int mb_y, const int8_t *dc)
-{
-    int linesize = frame->linesize[0];
-    uint8_t *dest_y  = frame->data[0] + (mb_y * 16 * linesize)             + mb_x * 16;
-    uint8_t *dest_cb = frame->data[1] + (mb_y * 8  * frame->linesize[1]) + mb_x * 8;
-    uint8_t *dest_cr = frame->data[2] + (mb_y * 8  * frame->linesize[2]) + mb_x * 8;
-    tgq_dconly(s, dest_y,                    linesize, dc[0]);
-    tgq_dconly(s, dest_y                + 8, linesize, dc[1]);
-    tgq_dconly(s, dest_y + 8 * linesize,     linesize, dc[2]);
-    tgq_dconly(s, dest_y + 8 * linesize + 8, linesize, dc[3]);
-    if (!(s->avctx->flags & CODEC_FLAG_GRAY)) {
-        tgq_dconly(s, dest_cb, frame->linesize[1], dc[4]);
-        tgq_dconly(s, dest_cr, frame->linesize[2], dc[5]);
-    }
-}
-
-static int tgq_decode_mb(TgqContext *s, AVFrame *frame, int mb_y, int mb_x)
-{
-    int mode;
-    int i;
-    int8_t dc[6];
-
-    mode = bytestream2_get_byte(&s->gb);
-    if (mode > 12) {
-        GetBitContext gb;
-        init_get_bits(&gb, s->gb.buffer, FFMIN(bytestream2_get_bytes_left(&s->gb), mode) * 8);
-        for (i = 0; i < 6; i++)
-            tgq_decode_block(s, s->block[i], &gb);
-        tgq_idct_put_mb(s, s->block, frame, mb_x, mb_y);
-        bytestream2_skip(&s->gb, mode);
-    } else {
-        if (mode == 3) {
-            memset(dc, bytestream2_get_byte(&s->gb), 4);
-            dc[4] = bytestream2_get_byte(&s->gb);
-            dc[5] = bytestream2_get_byte(&s->gb);
-        } else if (mode == 6) {
-            bytestream2_get_buffer(&s->gb, dc, 6);
-        } else if (mode == 12) {
-            for (i = 0; i < 6; i++) {
-                dc[i] = bytestream2_get_byte(&s->gb);
-                bytestream2_skip(&s->gb, 1);
-            }
-        } else {
-            av_log(s->avctx, AV_LOG_ERROR, "unsupported mb mode %i\n", mode);
-            return -1;
-        }
-        tgq_idct_put_mb_dconly(s, frame, mb_x, mb_y, dc);
-    }
-    return 0;
-}
-
-static void tgq_calculate_qtable(TgqContext *s, int quant)
-{
-    int i, j;
-    const int a = (14 * (100 - quant)) / 100 + 1;
-    const int b = (11 * (100 - quant)) / 100 + 4;
-    for (j = 0; j < 8; j++)
-        for (i = 0; i < 8; i++)
-            s->qtable[j * 8 + i] = ((a * (j + i) / (7 + 7) + b) *
-                                    ff_inv_aanscales[j * 8 + i]) >> (14 - 4);
-}
-
-static int tgq_decode_frame(AVCodecContext *avctx,
-                            void *data, int *got_frame,
-                            AVPacket *avpkt)
-{
-    const uint8_t *buf = avpkt->data;
-    int buf_size       = avpkt->size;
-    TgqContext *s      = avctx->priv_data;
-    AVFrame *frame     = data;
-    int x, y, ret;
-    int big_endian;
-
-    if (buf_size < 16) {
-        av_log(avctx, AV_LOG_WARNING, "truncated header\n");
-        return AVERROR_INVALIDDATA;
-    }
-    big_endian = AV_RL32(&buf[4]) > 0x000FFFFF;
-    bytestream2_init(&s->gb, buf + 8, buf_size - 8);
-    if (big_endian) {
-        s->width  = bytestream2_get_be16u(&s->gb);
-        s->height = bytestream2_get_be16u(&s->gb);
-    } else {
-        s->width  = bytestream2_get_le16u(&s->gb);
-        s->height = bytestream2_get_le16u(&s->gb);
-    }
-
-    if (s->avctx->width!=s->width || s->avctx->height!=s->height) {
-        avcodec_set_dimensions(s->avctx, s->width, s->height);
-    }
-    tgq_calculate_qtable(s, bytestream2_get_byteu(&s->gb));
-    bytestream2_skip(&s->gb, 3);
-
-    if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
-        return ret;
-    frame->key_frame = 1;
-    frame->pict_type = AV_PICTURE_TYPE_I;
-
-    for (y = 0; y < FFALIGN(avctx->height, 16) >> 4; y++)
-        for (x = 0; x < FFALIGN(avctx->width, 16) >> 4; x++)
-            if (tgq_decode_mb(s, frame, y, x) < 0)
-                return AVERROR_INVALIDDATA;
-
-    *got_frame = 1;
-
-    return avpkt->size;
-}
-
-AVCodec ff_eatgq_decoder = {
-    .name           = "eatgq",
-    .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = AV_CODEC_ID_TGQ,
-    .priv_data_size = sizeof(TgqContext),
-    .init           = tgq_decode_init,
-    .decode         = tgq_decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .long_name      = NULL_IF_CONFIG_SMALL("Electronic Arts TGQ video"),
-};