chasing indexing error

1 files changed, 0 insertions, 197 deletions

diff --git a/ffmpeg/libavformat/mm.c b/ffmpeg/libavformat/mm.c
deleted file mode 100644
index 4315802..0000000
--- a/ffmpeg/libavformat/mm.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * American Laser Games MM Format Demuxer
- * Copyright (c) 2006 Peter Ross
- *
- * 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
- */
-
-/**
- * @file
- * American Laser Games MM Format Demuxer
- * by Peter Ross (pross@xvid.org)
- *
- * The MM format was used by IBM-PC ports of ALG's "arcade shooter" games,
- * including Mad Dog McCree and Crime Patrol.
- *
- * Technical details here:
- *  http://wiki.multimedia.cx/index.php?title=American_Laser_Games_MM
- */
-
-#include "libavutil/channel_layout.h"
-#include "libavutil/intreadwrite.h"
-#include "avformat.h"
-#include "internal.h"
-
-#define MM_PREAMBLE_SIZE    6
-
-#define MM_TYPE_HEADER      0x0
-#define MM_TYPE_INTER       0x5
-#define MM_TYPE_INTRA       0x8
-#define MM_TYPE_INTRA_HH    0xc
-#define MM_TYPE_INTER_HH    0xd
-#define MM_TYPE_INTRA_HHV   0xe
-#define MM_TYPE_INTER_HHV   0xf
-#define MM_TYPE_AUDIO       0x15
-#define MM_TYPE_PALETTE     0x31
-
-#define MM_HEADER_LEN_V     0x16    /* video only */
-#define MM_HEADER_LEN_AV    0x18    /* video + audio */
-
-#define MM_PALETTE_COUNT    128
-#define MM_PALETTE_SIZE     (MM_PALETTE_COUNT*3)
-
-typedef struct {
-  unsigned int audio_pts, video_pts;
-} MmDemuxContext;
-
-static int probe(AVProbeData *p)
-{
-    int len, type, fps, w, h;
-    if (p->buf_size < MM_HEADER_LEN_AV + MM_PREAMBLE_SIZE)
-        return 0;
-    /* the first chunk is always the header */
-    if (AV_RL16(&p->buf[0]) != MM_TYPE_HEADER)
-        return 0;
-    len = AV_RL32(&p->buf[2]);
-    if (len != MM_HEADER_LEN_V && len != MM_HEADER_LEN_AV)
-        return 0;
-    fps = AV_RL16(&p->buf[8]);
-    w = AV_RL16(&p->buf[12]);
-    h = AV_RL16(&p->buf[14]);
-    if (!fps || fps > 60 || !w || w > 2048 || !h || h > 2048)
-        return 0;
-    type = AV_RL16(&p->buf[len]);
-    if (!type || type > 0x31)
-        return 0;
-
-    /* only return half certainty since this check is a bit sketchy */
-    return AVPROBE_SCORE_EXTENSION;
-}
-
-static int read_header(AVFormatContext *s)
-{
-    MmDemuxContext *mm = s->priv_data;
-    AVIOContext *pb = s->pb;
-    AVStream *st;
-
-    unsigned int type, length;
-    unsigned int frame_rate, width, height;
-
-    type = avio_rl16(pb);
-    length = avio_rl32(pb);
-
-    if (type != MM_TYPE_HEADER)
-        return AVERROR_INVALIDDATA;
-
-    /* read header */
-    avio_rl16(pb);   /* total number of chunks */
-    frame_rate = avio_rl16(pb);
-    avio_rl16(pb);   /* ibm-pc video bios mode */
-    width = avio_rl16(pb);
-    height = avio_rl16(pb);
-    avio_skip(pb, length - 10);  /* unknown data */
-
-    /* video stream */
-    st = avformat_new_stream(s, NULL);
-    if (!st)
-        return AVERROR(ENOMEM);
-    st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    st->codec->codec_id = AV_CODEC_ID_MMVIDEO;
-    st->codec->codec_tag = 0;  /* no fourcc */
-    st->codec->width = width;
-    st->codec->height = height;
-    avpriv_set_pts_info(st, 64, 1, frame_rate);
-
-    /* audio stream */
-    if (length == MM_HEADER_LEN_AV) {
-        st = avformat_new_stream(s, NULL);
-        if (!st)
-            return AVERROR(ENOMEM);
-        st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-        st->codec->codec_tag = 0; /* no fourcc */
-        st->codec->codec_id = AV_CODEC_ID_PCM_U8;
-        st->codec->channels = 1;
-        st->codec->channel_layout = AV_CH_LAYOUT_MONO;
-        st->codec->sample_rate = 8000;
-        avpriv_set_pts_info(st, 64, 1, 8000); /* 8000 hz */
-    }
-
-    mm->audio_pts = 0;
-    mm->video_pts = 0;
-    return 0;
-}
-
-static int read_packet(AVFormatContext *s,
-                           AVPacket *pkt)
-{
-    MmDemuxContext *mm = s->priv_data;
-    AVIOContext *pb = s->pb;
-    unsigned char preamble[MM_PREAMBLE_SIZE];
-    unsigned int type, length;
-
-    while(1) {
-
-        if (avio_read(pb, preamble, MM_PREAMBLE_SIZE) != MM_PREAMBLE_SIZE) {
-            return AVERROR(EIO);
-        }
-
-        type = AV_RL16(&preamble[0]);
-        length = AV_RL16(&preamble[2]);
-
-        switch(type) {
-        case MM_TYPE_PALETTE :
-        case MM_TYPE_INTER :
-        case MM_TYPE_INTRA :
-        case MM_TYPE_INTRA_HH :
-        case MM_TYPE_INTER_HH :
-        case MM_TYPE_INTRA_HHV :
-        case MM_TYPE_INTER_HHV :
-            /* output preamble + data */
-            if (av_new_packet(pkt, length + MM_PREAMBLE_SIZE))
-                return AVERROR(ENOMEM);
-            memcpy(pkt->data, preamble, MM_PREAMBLE_SIZE);
-            if (avio_read(pb, pkt->data + MM_PREAMBLE_SIZE, length) != length)
-                return AVERROR(EIO);
-            pkt->size = length + MM_PREAMBLE_SIZE;
-            pkt->stream_index = 0;
-            pkt->pts = mm->video_pts;
-            if (type!=MM_TYPE_PALETTE)
-                mm->video_pts++;
-            return 0;
-
-        case MM_TYPE_AUDIO :
-            if (av_get_packet(s->pb, pkt, length)<0)
-                return AVERROR(ENOMEM);
-            pkt->stream_index = 1;
-            pkt->pts = mm->audio_pts++;
-            return 0;
-
-        default :
-            av_log(s, AV_LOG_INFO, "unknown chunk type 0x%x\n", type);
-            avio_skip(pb, length);
-        }
-    }
-}
-
-AVInputFormat ff_mm_demuxer = {
-    .name           = "mm",
-    .long_name      = NULL_IF_CONFIG_SMALL("American Laser Games MM"),
-    .priv_data_size = sizeof(MmDemuxContext),
-    .read_probe     = probe,
-    .read_header    = read_header,
-    .read_packet    = read_packet,
-};