chasing indexing error

1 files changed, 0 insertions, 199 deletions

diff --git a/ffmpeg/libavformat/tmv.c b/ffmpeg/libavformat/tmv.c
deleted file mode 100644
index 8be4dbf..0000000
--- a/ffmpeg/libavformat/tmv.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * 8088flex TMV file demuxer
- * Copyright (c) 2009 Daniel Verkamp <daniel at drv.nu>
- *
- * 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
- * 8088flex TMV file demuxer
- * @author Daniel Verkamp
- * @see http://www.oldskool.org/pc/8088_Corruption
- */
-
-#include "libavutil/channel_layout.h"
-#include "libavutil/intreadwrite.h"
-#include "avformat.h"
-#include "internal.h"
-
-enum {
-    TMV_PADDING = 0x01,
-    TMV_STEREO  = 0x02,
-};
-
-#define TMV_TAG MKTAG('T', 'M', 'A', 'V')
-
-typedef struct TMVContext {
-    unsigned audio_chunk_size;
-    unsigned video_chunk_size;
-    unsigned padding;
-    unsigned stream_index;
-} TMVContext;
-
-#define TMV_HEADER_SIZE       12
-
-#define PROBE_MIN_SAMPLE_RATE 5000
-#define PROBE_MAX_FPS         120
-#define PROBE_MIN_AUDIO_SIZE  (PROBE_MIN_SAMPLE_RATE / PROBE_MAX_FPS)
-
-static int tmv_probe(AVProbeData *p)
-{
-    if (AV_RL32(p->buf)   == TMV_TAG &&
-        AV_RL16(p->buf+4) >= PROBE_MIN_SAMPLE_RATE &&
-        AV_RL16(p->buf+6) >= PROBE_MIN_AUDIO_SIZE  &&
-               !p->buf[8] && // compression method
-                p->buf[9] && // char cols
-                p->buf[10])  // char rows
-        return AVPROBE_SCORE_MAX /
-            ((p->buf[9] == 40 && p->buf[10] == 25) ? 1 : 4);
-    return 0;
-}
-
-static int tmv_read_header(AVFormatContext *s)
-{
-    TMVContext *tmv   = s->priv_data;
-    AVIOContext *pb = s->pb;
-    AVStream *vst, *ast;
-    AVRational fps;
-    unsigned comp_method, char_cols, char_rows, features;
-
-    if (avio_rl32(pb) != TMV_TAG)
-        return -1;
-
-    if (!(vst = avformat_new_stream(s, NULL)))
-        return AVERROR(ENOMEM);
-
-    if (!(ast = avformat_new_stream(s, NULL)))
-        return AVERROR(ENOMEM);
-
-    ast->codec->sample_rate = avio_rl16(pb);
-    if (!ast->codec->sample_rate) {
-        av_log(s, AV_LOG_ERROR, "invalid sample rate\n");
-        return -1;
-    }
-
-    tmv->audio_chunk_size   = avio_rl16(pb);
-    if (!tmv->audio_chunk_size) {
-        av_log(s, AV_LOG_ERROR, "invalid audio chunk size\n");
-        return -1;
-    }
-
-    comp_method             = avio_r8(pb);
-    if (comp_method) {
-        av_log(s, AV_LOG_ERROR, "unsupported compression method %d\n",
-               comp_method);
-        return -1;
-    }
-
-    char_cols = avio_r8(pb);
-    char_rows = avio_r8(pb);
-    tmv->video_chunk_size = char_cols * char_rows * 2;
-
-    features  = avio_r8(pb);
-    if (features & ~(TMV_PADDING | TMV_STEREO)) {
-        av_log(s, AV_LOG_ERROR, "unsupported features 0x%02x\n",
-               features & ~(TMV_PADDING | TMV_STEREO));
-        return -1;
-    }
-
-    ast->codec->codec_type            = AVMEDIA_TYPE_AUDIO;
-    ast->codec->codec_id              = AV_CODEC_ID_PCM_U8;
-    if (features & TMV_STEREO) {
-        ast->codec->channels       = 2;
-        ast->codec->channel_layout = AV_CH_LAYOUT_STEREO;
-    } else {
-        ast->codec->channels       = 1;
-        ast->codec->channel_layout = AV_CH_LAYOUT_MONO;
-    }
-    ast->codec->bits_per_coded_sample = 8;
-    ast->codec->bit_rate              = ast->codec->sample_rate *
-                                        ast->codec->bits_per_coded_sample;
-    avpriv_set_pts_info(ast, 32, 1, ast->codec->sample_rate);
-
-    fps.num = ast->codec->sample_rate * ast->codec->channels;
-    fps.den = tmv->audio_chunk_size;
-    av_reduce(&fps.num, &fps.den, fps.num, fps.den, 0xFFFFFFFFLL);
-
-    vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    vst->codec->codec_id   = AV_CODEC_ID_TMV;
-    vst->codec->pix_fmt    = AV_PIX_FMT_PAL8;
-    vst->codec->width      = char_cols * 8;
-    vst->codec->height     = char_rows * 8;
-    avpriv_set_pts_info(vst, 32, fps.den, fps.num);
-
-    if (features & TMV_PADDING)
-        tmv->padding =
-            ((tmv->video_chunk_size + tmv->audio_chunk_size + 511) & ~511) -
-             (tmv->video_chunk_size + tmv->audio_chunk_size);
-
-    vst->codec->bit_rate = ((tmv->video_chunk_size + tmv->padding) *
-                            fps.num * 8) / fps.den;
-
-    return 0;
-}
-
-static int tmv_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    TMVContext *tmv   = s->priv_data;
-    AVIOContext *pb = s->pb;
-    int ret, pkt_size = tmv->stream_index ?
-                        tmv->audio_chunk_size : tmv->video_chunk_size;
-
-    if (url_feof(pb))
-        return AVERROR_EOF;
-
-    ret = av_get_packet(pb, pkt, pkt_size);
-
-    if (tmv->stream_index)
-        avio_skip(pb, tmv->padding);
-
-    pkt->stream_index  = tmv->stream_index;
-    tmv->stream_index ^= 1;
-    pkt->flags        |= AV_PKT_FLAG_KEY;
-
-    return ret;
-}
-
-static int tmv_read_seek(AVFormatContext *s, int stream_index,
-                         int64_t timestamp, int flags)
-{
-    TMVContext *tmv = s->priv_data;
-    int64_t pos;
-
-    if (stream_index)
-        return -1;
-
-    pos = timestamp *
-          (tmv->audio_chunk_size + tmv->video_chunk_size + tmv->padding);
-
-    if (avio_seek(s->pb, pos + TMV_HEADER_SIZE, SEEK_SET) < 0)
-        return -1;
-    tmv->stream_index = 0;
-    return 0;
-}
-
-AVInputFormat ff_tmv_demuxer = {
-    .name           = "tmv",
-    .long_name      = NULL_IF_CONFIG_SMALL("8088flex TMV"),
-    .priv_data_size = sizeof(TMVContext),
-    .read_probe     = tmv_probe,
-    .read_header    = tmv_read_header,
-    .read_packet    = tmv_read_packet,
-    .read_seek      = tmv_read_seek,
-    .flags          = AVFMT_GENERIC_INDEX,
-};