making act segmenter

1 files changed, 0 insertions, 379 deletions

diff --git a/ffmpeg1/libavformat/smacker.c b/ffmpeg1/libavformat/smacker.c
deleted file mode 100644
index 883a2b7..0000000
--- a/ffmpeg1/libavformat/smacker.c
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
- * Smacker demuxer
- * Copyright (c) 2006 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
- */
-
-/*
- * Based on http://wiki.multimedia.cx/index.php?title=Smacker
- */
-
-#include "libavutil/bswap.h"
-#include "libavutil/channel_layout.h"
-#include "libavutil/intreadwrite.h"
-#include "avformat.h"
-#include "internal.h"
-
-#define SMACKER_PAL 0x01
-#define SMACKER_FLAG_RING_FRAME 0x01
-
-enum SAudFlags {
-    SMK_AUD_PACKED  = 0x80,
-    SMK_AUD_16BITS  = 0x20,
-    SMK_AUD_STEREO  = 0x10,
-    SMK_AUD_BINKAUD = 0x08,
-    SMK_AUD_USEDCT  = 0x04
-};
-
-typedef struct SmackerContext {
-    /* Smacker file header */
-    uint32_t magic;
-    uint32_t width, height;
-    uint32_t frames;
-    int      pts_inc;
-    uint32_t flags;
-    uint32_t audio[7];
-    uint32_t treesize;
-    uint32_t mmap_size, mclr_size, full_size, type_size;
-    uint8_t  aflags[7];
-    uint32_t rates[7];
-    uint32_t pad;
-    /* frame info */
-    uint32_t *frm_size;
-    uint8_t  *frm_flags;
-    /* internal variables */
-    int cur_frame;
-    int is_ver4;
-    int64_t cur_pts;
-    /* current frame for demuxing */
-    uint8_t pal[768];
-    int indexes[7];
-    int videoindex;
-    uint8_t *bufs[7];
-    int buf_sizes[7];
-    int stream_id[7];
-    int curstream;
-    int64_t nextpos;
-    int64_t aud_pts[7];
-} SmackerContext;
-
-typedef struct SmackerFrame {
-    int64_t pts;
-    int stream;
-} SmackerFrame;
-
-/* palette used in Smacker */
-static const uint8_t smk_pal[64] = {
-    0x00, 0x04, 0x08, 0x0C, 0x10, 0x14, 0x18, 0x1C,
-    0x20, 0x24, 0x28, 0x2C, 0x30, 0x34, 0x38, 0x3C,
-    0x41, 0x45, 0x49, 0x4D, 0x51, 0x55, 0x59, 0x5D,
-    0x61, 0x65, 0x69, 0x6D, 0x71, 0x75, 0x79, 0x7D,
-    0x82, 0x86, 0x8A, 0x8E, 0x92, 0x96, 0x9A, 0x9E,
-    0xA2, 0xA6, 0xAA, 0xAE, 0xB2, 0xB6, 0xBA, 0xBE,
-    0xC3, 0xC7, 0xCB, 0xCF, 0xD3, 0xD7, 0xDB, 0xDF,
-    0xE3, 0xE7, 0xEB, 0xEF, 0xF3, 0xF7, 0xFB, 0xFF
-};
-
-
-static int smacker_probe(AVProbeData *p)
-{
-    if(p->buf[0] == 'S' && p->buf[1] == 'M' && p->buf[2] == 'K'
-        && (p->buf[3] == '2' || p->buf[3] == '4'))
-        return AVPROBE_SCORE_MAX;
-    else
-        return 0;
-}
-
-static int smacker_read_header(AVFormatContext *s)
-{
-    AVIOContext *pb = s->pb;
-    SmackerContext *smk = s->priv_data;
-    AVStream *st, *ast[7];
-    int i, ret;
-    int tbase;
-
-    /* read and check header */
-    smk->magic = avio_rl32(pb);
-    if (smk->magic != MKTAG('S', 'M', 'K', '2') && smk->magic != MKTAG('S', 'M', 'K', '4'))
-        return AVERROR_INVALIDDATA;
-    smk->width = avio_rl32(pb);
-    smk->height = avio_rl32(pb);
-    smk->frames = avio_rl32(pb);
-    smk->pts_inc = (int32_t)avio_rl32(pb);
-    smk->flags = avio_rl32(pb);
-    if(smk->flags & SMACKER_FLAG_RING_FRAME)
-        smk->frames++;
-    for(i = 0; i < 7; i++)
-        smk->audio[i] = avio_rl32(pb);
-    smk->treesize = avio_rl32(pb);
-
-    if(smk->treesize >= UINT_MAX/4){ // smk->treesize + 16 must not overflow (this check is probably redundant)
-        av_log(s, AV_LOG_ERROR, "treesize too large\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-//FIXME remove extradata "rebuilding"
-    smk->mmap_size = avio_rl32(pb);
-    smk->mclr_size = avio_rl32(pb);
-    smk->full_size = avio_rl32(pb);
-    smk->type_size = avio_rl32(pb);
-    for(i = 0; i < 7; i++) {
-        smk->rates[i]  = avio_rl24(pb);
-        smk->aflags[i] = avio_r8(pb);
-    }
-    smk->pad = avio_rl32(pb);
-    /* setup data */
-    if(smk->frames > 0xFFFFFF) {
-        av_log(s, AV_LOG_ERROR, "Too many frames: %i\n", smk->frames);
-        return AVERROR_INVALIDDATA;
-    }
-    smk->frm_size = av_malloc(smk->frames * 4);
-    smk->frm_flags = av_malloc(smk->frames);
-
-    smk->is_ver4 = (smk->magic != MKTAG('S', 'M', 'K', '2'));
-
-    /* read frame info */
-    for(i = 0; i < smk->frames; i++) {
-        smk->frm_size[i] = avio_rl32(pb);
-    }
-    for(i = 0; i < smk->frames; i++) {
-        smk->frm_flags[i] = avio_r8(pb);
-    }
-
-    /* init video codec */
-    st = avformat_new_stream(s, NULL);
-    if (!st)
-        return AVERROR(ENOMEM);
-    smk->videoindex = st->index;
-    st->codec->width = smk->width;
-    st->codec->height = smk->height;
-    st->codec->pix_fmt = AV_PIX_FMT_PAL8;
-    st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    st->codec->codec_id = AV_CODEC_ID_SMACKVIDEO;
-    st->codec->codec_tag = smk->magic;
-    /* Smacker uses 100000 as internal timebase */
-    if(smk->pts_inc < 0)
-        smk->pts_inc = -smk->pts_inc;
-    else
-        smk->pts_inc *= 100;
-    tbase = 100000;
-    av_reduce(&tbase, &smk->pts_inc, tbase, smk->pts_inc, (1UL<<31)-1);
-    avpriv_set_pts_info(st, 33, smk->pts_inc, tbase);
-    st->duration = smk->frames;
-    /* handle possible audio streams */
-    for(i = 0; i < 7; i++) {
-        smk->indexes[i] = -1;
-        if (smk->rates[i]) {
-            ast[i] = avformat_new_stream(s, NULL);
-            smk->indexes[i] = ast[i]->index;
-            ast[i]->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-            if (smk->aflags[i] & SMK_AUD_BINKAUD) {
-                ast[i]->codec->codec_id = AV_CODEC_ID_BINKAUDIO_RDFT;
-            } else if (smk->aflags[i] & SMK_AUD_USEDCT) {
-                ast[i]->codec->codec_id = AV_CODEC_ID_BINKAUDIO_DCT;
-            } else if (smk->aflags[i] & SMK_AUD_PACKED){
-                ast[i]->codec->codec_id = AV_CODEC_ID_SMACKAUDIO;
-                ast[i]->codec->codec_tag = MKTAG('S', 'M', 'K', 'A');
-            } else {
-                ast[i]->codec->codec_id = AV_CODEC_ID_PCM_U8;
-            }
-            if (smk->aflags[i] & SMK_AUD_STEREO) {
-                ast[i]->codec->channels       = 2;
-                ast[i]->codec->channel_layout = AV_CH_LAYOUT_STEREO;
-            } else {
-                ast[i]->codec->channels       = 1;
-                ast[i]->codec->channel_layout = AV_CH_LAYOUT_MONO;
-            }
-            ast[i]->codec->sample_rate = smk->rates[i];
-            ast[i]->codec->bits_per_coded_sample = (smk->aflags[i] & SMK_AUD_16BITS) ? 16 : 8;
-            if(ast[i]->codec->bits_per_coded_sample == 16 && ast[i]->codec->codec_id == AV_CODEC_ID_PCM_U8)
-                ast[i]->codec->codec_id = AV_CODEC_ID_PCM_S16LE;
-            avpriv_set_pts_info(ast[i], 64, 1, ast[i]->codec->sample_rate
-                    * ast[i]->codec->channels * ast[i]->codec->bits_per_coded_sample / 8);
-        }
-    }
-
-
-    /* load trees to extradata, they will be unpacked by decoder */
-    st->codec->extradata = av_malloc(smk->treesize + 16 + FF_INPUT_BUFFER_PADDING_SIZE);
-    st->codec->extradata_size = smk->treesize + 16;
-    if(!st->codec->extradata){
-        av_log(s, AV_LOG_ERROR, "Cannot allocate %i bytes of extradata\n", smk->treesize + 16);
-        av_free(smk->frm_size);
-        av_free(smk->frm_flags);
-        return AVERROR(ENOMEM);
-    }
-    ret = avio_read(pb, st->codec->extradata + 16, st->codec->extradata_size - 16);
-    if(ret != st->codec->extradata_size - 16){
-        av_free(smk->frm_size);
-        av_free(smk->frm_flags);
-        return AVERROR(EIO);
-    }
-    ((int32_t*)st->codec->extradata)[0] = av_le2ne32(smk->mmap_size);
-    ((int32_t*)st->codec->extradata)[1] = av_le2ne32(smk->mclr_size);
-    ((int32_t*)st->codec->extradata)[2] = av_le2ne32(smk->full_size);
-    ((int32_t*)st->codec->extradata)[3] = av_le2ne32(smk->type_size);
-
-    smk->curstream = -1;
-    smk->nextpos = avio_tell(pb);
-
-    return 0;
-}
-
-
-static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    SmackerContext *smk = s->priv_data;
-    int flags;
-    int ret;
-    int i;
-    int frame_size = 0;
-    int palchange = 0;
-
-    if (url_feof(s->pb) || smk->cur_frame >= smk->frames)
-        return AVERROR_EOF;
-
-    /* if we demuxed all streams, pass another frame */
-    if(smk->curstream < 0) {
-        avio_seek(s->pb, smk->nextpos, 0);
-        frame_size = smk->frm_size[smk->cur_frame] & (~3);
-        flags = smk->frm_flags[smk->cur_frame];
-        /* handle palette change event */
-        if(flags & SMACKER_PAL){
-            int size, sz, t, off, j, pos;
-            uint8_t *pal = smk->pal;
-            uint8_t oldpal[768];
-
-            memcpy(oldpal, pal, 768);
-            size = avio_r8(s->pb);
-            size = size * 4 - 1;
-            if(size + 1 > frame_size)
-                return AVERROR_INVALIDDATA;
-            frame_size -= size;
-            frame_size--;
-            sz = 0;
-            pos = avio_tell(s->pb) + size;
-            while(sz < 256){
-                t = avio_r8(s->pb);
-                if(t & 0x80){ /* skip palette entries */
-                    sz += (t & 0x7F) + 1;
-                    pal += ((t & 0x7F) + 1) * 3;
-                } else if(t & 0x40){ /* copy with offset */
-                    off = avio_r8(s->pb);
-                    j = (t & 0x3F) + 1;
-                    if (off + j > 0xff) {
-                        av_log(s, AV_LOG_ERROR,
-                               "Invalid palette update, offset=%d length=%d extends beyond palette size\n",
-                               off, j);
-                        return AVERROR_INVALIDDATA;
-                    }
-                    off *= 3;
-                    while(j-- && sz < 256) {
-                        *pal++ = oldpal[off + 0];
-                        *pal++ = oldpal[off + 1];
-                        *pal++ = oldpal[off + 2];
-                        sz++;
-                        off += 3;
-                    }
-                } else { /* new entries */
-                    *pal++ = smk_pal[t];
-                    *pal++ = smk_pal[avio_r8(s->pb) & 0x3F];
-                    *pal++ = smk_pal[avio_r8(s->pb) & 0x3F];
-                    sz++;
-                }
-            }
-            avio_seek(s->pb, pos, 0);
-            palchange |= 1;
-        }
-        flags >>= 1;
-        smk->curstream = -1;
-        /* if audio chunks are present, put them to stack and retrieve later */
-        for(i = 0; i < 7; i++) {
-            if(flags & 1) {
-                unsigned int size;
-                uint8_t *tmpbuf;
-
-                size = avio_rl32(s->pb) - 4;
-                if(size + 4L > frame_size)
-                    return AVERROR_INVALIDDATA;
-                frame_size -= size;
-                frame_size -= 4;
-                smk->curstream++;
-                tmpbuf = av_realloc(smk->bufs[smk->curstream], size);
-                if (!tmpbuf)
-                    return AVERROR(ENOMEM);
-                smk->bufs[smk->curstream] = tmpbuf;
-                smk->buf_sizes[smk->curstream] = size;
-                ret = avio_read(s->pb, smk->bufs[smk->curstream], size);
-                if(ret != size)
-                    return AVERROR(EIO);
-                smk->stream_id[smk->curstream] = smk->indexes[i];
-            }
-            flags >>= 1;
-        }
-        if (frame_size < 0)
-            return AVERROR_INVALIDDATA;
-        if (av_new_packet(pkt, frame_size + 769))
-            return AVERROR(ENOMEM);
-        if(smk->frm_size[smk->cur_frame] & 1)
-            palchange |= 2;
-        pkt->data[0] = palchange;
-        memcpy(pkt->data + 1, smk->pal, 768);
-        ret = avio_read(s->pb, pkt->data + 769, frame_size);
-        if(ret != frame_size)
-            return AVERROR(EIO);
-        pkt->stream_index = smk->videoindex;
-        pkt->size = ret + 769;
-        smk->cur_frame++;
-        smk->nextpos = avio_tell(s->pb);
-    } else {
-        if (av_new_packet(pkt, smk->buf_sizes[smk->curstream]))
-            return AVERROR(ENOMEM);
-        memcpy(pkt->data, smk->bufs[smk->curstream], smk->buf_sizes[smk->curstream]);
-        pkt->size = smk->buf_sizes[smk->curstream];
-        pkt->stream_index = smk->stream_id[smk->curstream];
-        pkt->pts = smk->aud_pts[smk->curstream];
-        smk->aud_pts[smk->curstream] += AV_RL32(pkt->data);
-        smk->curstream--;
-    }
-
-    return 0;
-}
-
-static int smacker_read_close(AVFormatContext *s)
-{
-    SmackerContext *smk = s->priv_data;
-    int i;
-
-    for(i = 0; i < 7; i++)
-        av_free(smk->bufs[i]);
-    av_free(smk->frm_size);
-    av_free(smk->frm_flags);
-
-    return 0;
-}
-
-AVInputFormat ff_smacker_demuxer = {
-    .name           = "smk",
-    .long_name      = NULL_IF_CONFIG_SMALL("Smacker"),
-    .priv_data_size = sizeof(SmackerContext),
-    .read_probe     = smacker_probe,
-    .read_header    = smacker_read_header,
-    .read_packet    = smacker_read_packet,
-    .read_close     = smacker_read_close,
-};