making act segmenter

1 files changed, 0 insertions, 343 deletions

diff --git a/ffmpeg1/libavcodec/motionpixels.c b/ffmpeg1/libavcodec/motionpixels.c
deleted file mode 100644
index 00c1148..0000000
--- a/ffmpeg1/libavcodec/motionpixels.c
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
- * Motion Pixels Video Decoder
- * Copyright (c) 2008 Gregory Montoir (cyx@users.sourceforge.net)
- *
- * 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 "avcodec.h"
-#include "get_bits.h"
-#include "dsputil.h"
-#include "internal.h"
-
-#define MAX_HUFF_CODES 16
-
-#include "motionpixels_tablegen.h"
-
-typedef struct HuffCode {
-    int code;
-    uint8_t size;
-    uint8_t delta;
-} HuffCode;
-
-typedef struct MotionPixelsContext {
-    AVCodecContext *avctx;
-    AVFrame frame;
-    DSPContext dsp;
-    uint8_t *changes_map;
-    int offset_bits_len;
-    int codes_count, current_codes_count;
-    int max_codes_bits;
-    HuffCode codes[MAX_HUFF_CODES];
-    VLC vlc;
-    YuvPixel *vpt, *hpt;
-    uint8_t gradient_scale[3];
-    uint8_t *bswapbuf;
-    int bswapbuf_size;
-} MotionPixelsContext;
-
-static av_cold int mp_decode_init(AVCodecContext *avctx)
-{
-    MotionPixelsContext *mp = avctx->priv_data;
-    int w4 = (avctx->width  + 3) & ~3;
-    int h4 = (avctx->height + 3) & ~3;
-
-    if(avctx->extradata_size < 2){
-        av_log(avctx, AV_LOG_ERROR, "extradata too small\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    motionpixels_tableinit();
-    mp->avctx = avctx;
-    ff_dsputil_init(&mp->dsp, avctx);
-    mp->changes_map = av_mallocz(avctx->width * h4);
-    mp->offset_bits_len = av_log2(avctx->width * avctx->height) + 1;
-    mp->vpt = av_mallocz(avctx->height * sizeof(YuvPixel));
-    mp->hpt = av_mallocz(h4 * w4 / 16 * sizeof(YuvPixel));
-    avctx->pix_fmt = AV_PIX_FMT_RGB555;
-    avcodec_get_frame_defaults(&mp->frame);
-    return 0;
-}
-
-static void mp_read_changes_map(MotionPixelsContext *mp, GetBitContext *gb, int count, int bits_len, int read_color)
-{
-    uint16_t *pixels;
-    int offset, w, h, color = 0, x, y, i;
-
-    while (count--) {
-        offset = get_bits_long(gb, mp->offset_bits_len);
-        w      = get_bits(gb, bits_len) + 1;
-        h      = get_bits(gb, bits_len) + 1;
-        if (read_color)
-            color = get_bits(gb, 15);
-        x = offset % mp->avctx->width;
-        y = offset / mp->avctx->width;
-        if (y >= mp->avctx->height)
-            continue;
-        w = FFMIN(w, mp->avctx->width  - x);
-        h = FFMIN(h, mp->avctx->height - y);
-        pixels = (uint16_t *)&mp->frame.data[0][y * mp->frame.linesize[0] + x * 2];
-        while (h--) {
-            mp->changes_map[offset] = w;
-            if (read_color)
-                for (i = 0; i < w; ++i)
-                    pixels[i] = color;
-            offset += mp->avctx->width;
-            pixels += mp->frame.linesize[0] / 2;
-        }
-    }
-}
-
-static int mp_get_code(MotionPixelsContext *mp, GetBitContext *gb, int size, int code)
-{
-    while (get_bits1(gb)) {
-        ++size;
-        if (size > mp->max_codes_bits) {
-            av_log(mp->avctx, AV_LOG_ERROR, "invalid code size %d/%d\n", size, mp->max_codes_bits);
-            return AVERROR_INVALIDDATA;
-        }
-        code <<= 1;
-        if (mp_get_code(mp, gb, size, code + 1) < 0)
-            return AVERROR_INVALIDDATA;
-    }
-    if (mp->current_codes_count >= MAX_HUFF_CODES) {
-        av_log(mp->avctx, AV_LOG_ERROR, "too many codes\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    mp->codes[mp->current_codes_count  ].code = code;
-    mp->codes[mp->current_codes_count++].size = size;
-    return 0;
-}
-
-static int mp_read_codes_table(MotionPixelsContext *mp, GetBitContext *gb)
-{
-    if (mp->codes_count == 1) {
-        mp->codes[0].delta = get_bits(gb, 4);
-    } else {
-        int i;
-        int ret;
-
-        mp->max_codes_bits = get_bits(gb, 4);
-        for (i = 0; i < mp->codes_count; ++i)
-            mp->codes[i].delta = get_bits(gb, 4);
-        mp->current_codes_count = 0;
-        if ((ret = mp_get_code(mp, gb, 0, 0)) < 0)
-            return ret;
-        if (mp->current_codes_count < mp->codes_count) {
-            av_log(mp->avctx, AV_LOG_ERROR, "too few codes\n");
-            return AVERROR_INVALIDDATA;
-        }
-   }
-   return 0;
-}
-
-static int mp_gradient(MotionPixelsContext *mp, int component, int v)
-{
-    int delta;
-
-    delta = (v - 7) * mp->gradient_scale[component];
-    mp->gradient_scale[component] = (v == 0 || v == 14) ? 2 : 1;
-    return delta;
-}
-
-static YuvPixel mp_get_yuv_from_rgb(MotionPixelsContext *mp, int x, int y)
-{
-    int color;
-
-    color = *(uint16_t *)&mp->frame.data[0][y * mp->frame.linesize[0] + x * 2];
-    return mp_rgb_yuv_table[color];
-}
-
-static void mp_set_rgb_from_yuv(MotionPixelsContext *mp, int x, int y, const YuvPixel *p)
-{
-    int color;
-
-    color = mp_yuv_to_rgb(p->y, p->v, p->u, 1);
-    *(uint16_t *)&mp->frame.data[0][y * mp->frame.linesize[0] + x * 2] = color;
-}
-
-static int mp_get_vlc(MotionPixelsContext *mp, GetBitContext *gb)
-{
-    int i;
-
-    i = (mp->codes_count == 1) ? 0 : get_vlc2(gb, mp->vlc.table, mp->max_codes_bits, 1);
-    return mp->codes[i].delta;
-}
-
-static void mp_decode_line(MotionPixelsContext *mp, GetBitContext *gb, int y)
-{
-    YuvPixel p;
-    const int y0 = y * mp->avctx->width;
-    int w, i, x = 0;
-
-    p = mp->vpt[y];
-    if (mp->changes_map[y0 + x] == 0) {
-        memset(mp->gradient_scale, 1, sizeof(mp->gradient_scale));
-        ++x;
-    }
-    while (x < mp->avctx->width) {
-        w = mp->changes_map[y0 + x];
-        if (w != 0) {
-            if ((y & 3) == 0) {
-                if (mp->changes_map[y0 + x + mp->avctx->width] < w ||
-                    mp->changes_map[y0 + x + mp->avctx->width * 2] < w ||
-                    mp->changes_map[y0 + x + mp->avctx->width * 3] < w) {
-                    for (i = (x + 3) & ~3; i < x + w; i += 4) {
-                        mp->hpt[((y / 4) * mp->avctx->width + i) / 4] = mp_get_yuv_from_rgb(mp, i, y);
-                    }
-                }
-            }
-            x += w;
-            memset(mp->gradient_scale, 1, sizeof(mp->gradient_scale));
-            p = mp_get_yuv_from_rgb(mp, x - 1, y);
-        } else {
-            p.y += mp_gradient(mp, 0, mp_get_vlc(mp, gb));
-            p.y = av_clip(p.y, 0, 31);
-            if ((x & 3) == 0) {
-                if ((y & 3) == 0) {
-                    p.v += mp_gradient(mp, 1, mp_get_vlc(mp, gb));
-                    p.v = av_clip(p.v, -32, 31);
-                    p.u += mp_gradient(mp, 2, mp_get_vlc(mp, gb));
-                    p.u = av_clip(p.u, -32, 31);
-                    mp->hpt[((y / 4) * mp->avctx->width + x) / 4] = p;
-                } else {
-                    p.v = mp->hpt[((y / 4) * mp->avctx->width + x) / 4].v;
-                    p.u = mp->hpt[((y / 4) * mp->avctx->width + x) / 4].u;
-                }
-            }
-            mp_set_rgb_from_yuv(mp, x, y, &p);
-            ++x;
-        }
-    }
-}
-
-static void mp_decode_frame_helper(MotionPixelsContext *mp, GetBitContext *gb)
-{
-    YuvPixel p;
-    int y, y0;
-
-    av_assert1(mp->changes_map[0]);
-
-    for (y = 0; y < mp->avctx->height; ++y) {
-        if (mp->changes_map[y * mp->avctx->width] != 0) {
-            memset(mp->gradient_scale, 1, sizeof(mp->gradient_scale));
-            p = mp_get_yuv_from_rgb(mp, 0, y);
-        } else {
-            p.y += mp_gradient(mp, 0, mp_get_vlc(mp, gb));
-            p.y = av_clip(p.y, 0, 31);
-            if ((y & 3) == 0) {
-                p.v += mp_gradient(mp, 1, mp_get_vlc(mp, gb));
-                p.v = av_clip(p.v, -32, 31);
-                p.u += mp_gradient(mp, 2, mp_get_vlc(mp, gb));
-                p.u = av_clip(p.u, -32, 31);
-            }
-            mp->vpt[y] = p;
-            mp_set_rgb_from_yuv(mp, 0, y, &p);
-        }
-    }
-    for (y0 = 0; y0 < 2; ++y0)
-        for (y = y0; y < mp->avctx->height; y += 2)
-            mp_decode_line(mp, gb, y);
-}
-
-static int mp_decode_frame(AVCodecContext *avctx,
-                                 void *data, int *got_frame,
-                                 AVPacket *avpkt)
-{
-    const uint8_t *buf = avpkt->data;
-    int buf_size = avpkt->size;
-    MotionPixelsContext *mp = avctx->priv_data;
-    GetBitContext gb;
-    int i, count1, count2, sz, ret;
-
-    if ((ret = ff_reget_buffer(avctx, &mp->frame)) < 0)
-        return ret;
-
-    /* le32 bitstream msb first */
-    av_fast_malloc(&mp->bswapbuf, &mp->bswapbuf_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
-    if (!mp->bswapbuf)
-        return AVERROR(ENOMEM);
-    mp->dsp.bswap_buf((uint32_t *)mp->bswapbuf, (const uint32_t *)buf, buf_size / 4);
-    if (buf_size & 3)
-        memcpy(mp->bswapbuf + (buf_size & ~3), buf + (buf_size & ~3), buf_size & 3);
-    memset(mp->bswapbuf + buf_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
-    init_get_bits(&gb, mp->bswapbuf, buf_size * 8);
-
-    memset(mp->changes_map, 0, avctx->width * avctx->height);
-    for (i = !(avctx->extradata[1] & 2); i < 2; ++i) {
-        count1 = get_bits(&gb, 12);
-        count2 = get_bits(&gb, 12);
-        mp_read_changes_map(mp, &gb, count1, 8, i);
-        mp_read_changes_map(mp, &gb, count2, 4, i);
-    }
-
-    mp->codes_count = get_bits(&gb, 4);
-    if (mp->codes_count == 0)
-        goto end;
-
-    if (mp->changes_map[0] == 0) {
-        *(uint16_t *)mp->frame.data[0] = get_bits(&gb, 15);
-        mp->changes_map[0] = 1;
-    }
-    if (mp_read_codes_table(mp, &gb) < 0)
-        goto end;
-
-    sz = get_bits(&gb, 18);
-    if (avctx->extradata[0] != 5)
-        sz += get_bits(&gb, 18);
-    if (sz == 0)
-        goto end;
-
-    if (mp->max_codes_bits <= 0)
-        goto end;
-    if (init_vlc(&mp->vlc, mp->max_codes_bits, mp->codes_count, &mp->codes[0].size, sizeof(HuffCode), 1, &mp->codes[0].code, sizeof(HuffCode), 4, 0))
-        goto end;
-    mp_decode_frame_helper(mp, &gb);
-    ff_free_vlc(&mp->vlc);
-
-end:
-    if ((ret = av_frame_ref(data, &mp->frame)) < 0)
-        return ret;
-    *got_frame       = 1;
-    return buf_size;
-}
-
-static av_cold int mp_decode_end(AVCodecContext *avctx)
-{
-    MotionPixelsContext *mp = avctx->priv_data;
-
-    av_freep(&mp->changes_map);
-    av_freep(&mp->vpt);
-    av_freep(&mp->hpt);
-    av_freep(&mp->bswapbuf);
-    av_frame_unref(&mp->frame);
-
-    return 0;
-}
-
-AVCodec ff_motionpixels_decoder = {
-    .name           = "motionpixels",
-    .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = AV_CODEC_ID_MOTIONPIXELS,
-    .priv_data_size = sizeof(MotionPixelsContext),
-    .init           = mp_decode_init,
-    .close          = mp_decode_end,
-    .decode         = mp_decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .long_name      = NULL_IF_CONFIG_SMALL("Motion Pixels video"),
-};