making act segmenter

1 files changed, 0 insertions, 208 deletions

diff --git a/ffmpeg1/libavcodec/mpegvideo_parser.c b/ffmpeg1/libavcodec/mpegvideo_parser.c
deleted file mode 100644
index 35a9160..0000000
--- a/ffmpeg1/libavcodec/mpegvideo_parser.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * MPEG1 / MPEG2 video parser
- * Copyright (c) 2000,2001 Fabrice Bellard
- * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * 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 "parser.h"
-#include "mpegvideo.h"
-
-struct MpvParseContext {
-    ParseContext pc;
-    AVRational frame_rate;
-    int progressive_sequence;
-    int width, height;
-};
-
-
-static void mpegvideo_extract_headers(AVCodecParserContext *s,
-                                      AVCodecContext *avctx,
-                                      const uint8_t *buf, int buf_size)
-{
-    struct MpvParseContext *pc = s->priv_data;
-    const uint8_t *buf_end = buf + buf_size;
-    uint32_t start_code;
-    int frame_rate_index, ext_type, bytes_left;
-    int frame_rate_ext_n, frame_rate_ext_d;
-    int top_field_first, repeat_first_field, progressive_frame;
-    int horiz_size_ext, vert_size_ext, bit_rate_ext;
-    int did_set_size=0;
-    int bit_rate = 0;
-    int vbv_delay = 0;
-//FIXME replace the crap with get_bits()
-    s->repeat_pict = 0;
-
-    while (buf < buf_end) {
-        start_code= -1;
-        buf= avpriv_mpv_find_start_code(buf, buf_end, &start_code);
-        bytes_left = buf_end - buf;
-        switch(start_code) {
-        case PICTURE_START_CODE:
-            if (bytes_left >= 2) {
-                s->pict_type = (buf[1] >> 3) & 7;
-                if (bytes_left >= 4)
-                vbv_delay = ((buf[1] & 0x07) << 13) | (buf[2] << 5) | (buf[3]  >> 3);
-            }
-            break;
-        case SEQ_START_CODE:
-            if (bytes_left >= 7) {
-                pc->width  = (buf[0] << 4) | (buf[1] >> 4);
-                pc->height = ((buf[1] & 0x0f) << 8) | buf[2];
-                if(!avctx->width || !avctx->height || !avctx->coded_width || !avctx->coded_height){
-                    avcodec_set_dimensions(avctx, pc->width, pc->height);
-                    did_set_size=1;
-                }
-                frame_rate_index = buf[3] & 0xf;
-                pc->frame_rate.den = avctx->time_base.den = ff_mpeg12_frame_rate_tab[frame_rate_index].num;
-                pc->frame_rate.num = avctx->time_base.num = ff_mpeg12_frame_rate_tab[frame_rate_index].den;
-                bit_rate = (buf[4]<<10) | (buf[5]<<2) | (buf[6]>>6);
-                avctx->codec_id = AV_CODEC_ID_MPEG1VIDEO;
-            }
-            break;
-        case EXT_START_CODE:
-            if (bytes_left >= 1) {
-                ext_type = (buf[0] >> 4);
-                switch(ext_type) {
-                case 0x1: /* sequence extension */
-                    if (bytes_left >= 6) {
-                        horiz_size_ext = ((buf[1] & 1) << 1) | (buf[2] >> 7);
-                        vert_size_ext = (buf[2] >> 5) & 3;
-                        bit_rate_ext = ((buf[2] & 0x1F)<<7) | (buf[3]>>1);
-                        frame_rate_ext_n = (buf[5] >> 5) & 3;
-                        frame_rate_ext_d = (buf[5] & 0x1f);
-                        pc->progressive_sequence = buf[1] & (1 << 3);
-                        avctx->has_b_frames= !(buf[5] >> 7);
-
-                        pc->width  |=(horiz_size_ext << 12);
-                        pc->height |=( vert_size_ext << 12);
-                        bit_rate = (bit_rate&0x3FFFF) | (bit_rate_ext << 18);
-                        if(did_set_size)
-                            avcodec_set_dimensions(avctx, pc->width, pc->height);
-                        avctx->time_base.den = pc->frame_rate.den * (frame_rate_ext_n + 1) * 2;
-                        avctx->time_base.num = pc->frame_rate.num * (frame_rate_ext_d + 1);
-                        avctx->codec_id = AV_CODEC_ID_MPEG2VIDEO;
-                    }
-                    break;
-                case 0x8: /* picture coding extension */
-                    if (bytes_left >= 5) {
-                        top_field_first = buf[3] & (1 << 7);
-                        repeat_first_field = buf[3] & (1 << 1);
-                        progressive_frame = buf[4] & (1 << 7);
-
-                        /* check if we must repeat the frame */
-                        s->repeat_pict = 1;
-                        if (repeat_first_field) {
-                            if (pc->progressive_sequence) {
-                                if (top_field_first)
-                                    s->repeat_pict = 5;
-                                else
-                                    s->repeat_pict = 3;
-                            } else if (progressive_frame) {
-                                s->repeat_pict = 2;
-                            }
-                        }
-                    }
-                    break;
-                }
-            }
-            break;
-        case -1:
-            goto the_end;
-        default:
-            /* we stop parsing when we encounter a slice. It ensures
-               that this function takes a negligible amount of time */
-            if (start_code >= SLICE_MIN_START_CODE &&
-                start_code <= SLICE_MAX_START_CODE)
-                goto the_end;
-            break;
-        }
-    }
- the_end: ;
-    if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO && bit_rate) {
-        avctx->rc_max_rate = 400*bit_rate;
-    } else if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO && bit_rate &&
-               (bit_rate != 0x3FFFF || vbv_delay != 0xFFFF)) {
-        avctx->bit_rate = 400*bit_rate;
-    }
-}
-
-static int mpegvideo_parse(AVCodecParserContext *s,
-                           AVCodecContext *avctx,
-                           const uint8_t **poutbuf, int *poutbuf_size,
-                           const uint8_t *buf, int buf_size)
-{
-    struct MpvParseContext *pc1 = s->priv_data;
-    ParseContext *pc= &pc1->pc;
-    int next;
-
-    if(s->flags & PARSER_FLAG_COMPLETE_FRAMES){
-        next= buf_size;
-    }else{
-        next= ff_mpeg1_find_frame_end(pc, buf, buf_size, s);
-
-        if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
-            *poutbuf = NULL;
-            *poutbuf_size = 0;
-            return buf_size;
-        }
-
-    }
-    /* we have a full frame : we just parse the first few MPEG headers
-       to have the full timing information. The time take by this
-       function should be negligible for uncorrupted streams */
-    mpegvideo_extract_headers(s, avctx, buf, buf_size);
-    av_dlog(NULL, "pict_type=%d frame_rate=%0.3f repeat_pict=%d\n",
-            s->pict_type, (double)avctx->time_base.den / avctx->time_base.num, s->repeat_pict);
-
-    *poutbuf = buf;
-    *poutbuf_size = buf_size;
-    return next;
-}
-
-static int mpegvideo_split(AVCodecContext *avctx,
-                           const uint8_t *buf, int buf_size)
-{
-    int i;
-    uint32_t state= -1;
-    int found=0;
-
-    for(i=0; i<buf_size; i++){
-        state= (state<<8) | buf[i];
-        if(state == 0x1B3){
-            found=1;
-        }else if(found && state != 0x1B5 && state < 0x200 && state >= 0x100)
-            return i-3;
-    }
-    return 0;
-}
-
-static int mpegvideo_parse_init(AVCodecParserContext *s)
-{
-    s->pict_type = AV_PICTURE_TYPE_NONE; // first frame might be partial
-    return 0;
-}
-
-AVCodecParser ff_mpegvideo_parser = {
-    .codec_ids      = { AV_CODEC_ID_MPEG1VIDEO, AV_CODEC_ID_MPEG2VIDEO },
-    .priv_data_size = sizeof(struct MpvParseContext),
-    .parser_init    = mpegvideo_parse_init,
-    .parser_parse   = mpegvideo_parse,
-    .parser_close   = ff_parse_close,
-    .split          = mpegvideo_split,
-};