making act segmenter

1 files changed, 0 insertions, 208 deletions

diff --git a/ffmpeg1/libavcodec/dca_parser.c b/ffmpeg1/libavcodec/dca_parser.c
deleted file mode 100644
index 266520f..0000000
--- a/ffmpeg1/libavcodec/dca_parser.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * DCA parser
- * Copyright (C) 2004 Gildas Bazin
- * Copyright (C) 2004 Benjamin Zores
- * Copyright (C) 2006 Benjamin Larsson
- * Copyright (C) 2007 Konstantin Shishkov
- *
- * 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 "dca.h"
-#include "dca_parser.h"
-#include "get_bits.h"
-#include "put_bits.h"
-
-typedef struct DCAParseContext {
-    ParseContext pc;
-    uint32_t lastmarker;
-    int size;
-    int framesize;
-    int hd_pos;
-} DCAParseContext;
-
-#define IS_MARKER(state, i, buf, buf_size) \
- ((state == DCA_MARKER_14B_LE && (i < buf_size-2) && (buf[i+1] & 0xF0) == 0xF0 && buf[i+2] == 0x07) \
- || (state == DCA_MARKER_14B_BE && (i < buf_size-2) && buf[i+1] == 0x07 && (buf[i+2] & 0xF0) == 0xF0) \
- || state == DCA_MARKER_RAW_LE || state == DCA_MARKER_RAW_BE || state == DCA_HD_MARKER)
-
-/**
- * Find the end of the current frame in the bitstream.
- * @return the position of the first byte of the next frame, or -1
- */
-static int dca_find_frame_end(DCAParseContext * pc1, const uint8_t * buf,
-                              int buf_size)
-{
-    int start_found, i;
-    uint32_t state;
-    ParseContext *pc = &pc1->pc;
-
-    start_found = pc->frame_start_found;
-    state = pc->state;
-
-    i = 0;
-    if (!start_found) {
-        for (i = 0; i < buf_size; i++) {
-            state = (state << 8) | buf[i];
-            if (IS_MARKER(state, i, buf, buf_size)) {
-                if (!pc1->lastmarker || state == pc1->lastmarker || pc1->lastmarker == DCA_HD_MARKER) {
-                    start_found = 1;
-                    pc1->lastmarker = state;
-                    break;
-                }
-            }
-        }
-    }
-    if (start_found) {
-        for (; i < buf_size; i++) {
-            pc1->size++;
-            state = (state << 8) | buf[i];
-            if (state == DCA_HD_MARKER && !pc1->hd_pos)
-                pc1->hd_pos = pc1->size;
-            if (IS_MARKER(state, i, buf, buf_size) && (state == pc1->lastmarker || pc1->lastmarker == DCA_HD_MARKER)) {
-                if(pc1->framesize > pc1->size)
-                    continue;
-                // We have to check that we really read a full frame here, and that it isn't a pure HD frame, because their size is not constant.
-                if(!pc1->framesize && state == pc1->lastmarker && state != DCA_HD_MARKER){
-                    pc1->framesize = pc1->hd_pos ? pc1->hd_pos : pc1->size;
-                }
-                pc->frame_start_found = 0;
-                pc->state = -1;
-                pc1->size = 0;
-                return i - 3;
-            }
-        }
-    }
-    pc->frame_start_found = start_found;
-    pc->state = state;
-    return END_NOT_FOUND;
-}
-
-static av_cold int dca_parse_init(AVCodecParserContext * s)
-{
-    DCAParseContext *pc1 = s->priv_data;
-
-    pc1->lastmarker = 0;
-    return 0;
-}
-
-int ff_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
-                             int max_size)
-{
-    uint32_t mrk;
-    int i, tmp;
-    const uint16_t *ssrc = (const uint16_t *) src;
-    uint16_t *sdst = (uint16_t *) dst;
-    PutBitContext pb;
-
-    if ((unsigned) src_size > (unsigned) max_size)
-        src_size = max_size;
-
-    mrk = AV_RB32(src);
-    switch (mrk) {
-    case DCA_MARKER_RAW_BE:
-        memcpy(dst, src, src_size);
-        return src_size;
-    case DCA_MARKER_RAW_LE:
-        for (i = 0; i < (src_size + 1) >> 1; i++)
-            *sdst++ = av_bswap16(*ssrc++);
-        return src_size;
-    case DCA_MARKER_14B_BE:
-    case DCA_MARKER_14B_LE:
-        init_put_bits(&pb, dst, max_size);
-        for (i = 0; i < (src_size + 1) >> 1; i++, src += 2) {
-            tmp = ((mrk == DCA_MARKER_14B_BE) ? AV_RB16(src) : AV_RL16(src)) & 0x3FFF;
-            put_bits(&pb, 14, tmp);
-        }
-        flush_put_bits(&pb);
-        return (put_bits_count(&pb) + 7) >> 3;
-    default:
-        return AVERROR_INVALIDDATA;
-    }
-}
-
-static int dca_parse_params(const uint8_t *buf, int buf_size, int *duration,
-                            int *sample_rate)
-{
-    GetBitContext gb;
-    uint8_t hdr[12 + FF_INPUT_BUFFER_PADDING_SIZE] = { 0 };
-    int ret, sample_blocks, sr_code;
-
-    if (buf_size < 12)
-        return AVERROR_INVALIDDATA;
-
-    if ((ret = ff_dca_convert_bitstream(buf, 12, hdr, 12)) < 0)
-        return ret;
-
-    init_get_bits(&gb, hdr, 96);
-
-    skip_bits_long(&gb, 39);
-    sample_blocks = get_bits(&gb, 7) + 1;
-    if (sample_blocks < 8)
-        return AVERROR_INVALIDDATA;
-    *duration = 256 * (sample_blocks / 8);
-
-    skip_bits(&gb, 20);
-    sr_code = get_bits(&gb, 4);
-    *sample_rate = avpriv_dca_sample_rates[sr_code];
-    if (*sample_rate == 0)
-        return AVERROR_INVALIDDATA;
-
-    return 0;
-}
-
-static int dca_parse(AVCodecParserContext * s,
-                     AVCodecContext * avctx,
-                     const uint8_t ** poutbuf, int *poutbuf_size,
-                     const uint8_t * buf, int buf_size)
-{
-    DCAParseContext *pc1 = s->priv_data;
-    ParseContext *pc = &pc1->pc;
-    int next, duration, sample_rate;
-
-    if (s->flags & PARSER_FLAG_COMPLETE_FRAMES) {
-        next = buf_size;
-    } else {
-        next = dca_find_frame_end(pc1, buf, buf_size);
-
-        if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
-            *poutbuf = NULL;
-            *poutbuf_size = 0;
-            return buf_size;
-        }
-    }
-
-    /* read the duration and sample rate from the frame header */
-    if (!dca_parse_params(buf, buf_size, &duration, &sample_rate)) {
-        s->duration = duration;
-        avctx->sample_rate = sample_rate;
-    } else
-        s->duration = 0;
-
-    *poutbuf = buf;
-    *poutbuf_size = buf_size;
-    return next;
-}
-
-AVCodecParser ff_dca_parser = {
-    .codec_ids      = { AV_CODEC_ID_DTS },
-    .priv_data_size = sizeof(DCAParseContext),
-    .parser_init    = dca_parse_init,
-    .parser_parse   = dca_parse,
-    .parser_close   = ff_parse_close,
-};