chasing indexing error

1 files changed, 0 insertions, 149 deletions

diff --git a/ffmpeg/libavformat/mms.c b/ffmpeg/libavformat/mms.c
deleted file mode 100644
index 7e60b3b..0000000
--- a/ffmpeg/libavformat/mms.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * MMS protocol common definitions.
- * Copyright (c) 2006,2007 Ryan Martell
- * Copyright (c) 2007 Björn Axelsson
- * Copyright (c) 2010 Zhentan Feng <spyfeng at gmail dot com>
- *
- * 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 "mms.h"
-#include "asf.h"
-#include "libavutil/intreadwrite.h"
-
-#define MMS_MAX_STREAMS 256    /**< arbitrary sanity check value */
-
-int ff_mms_read_header(MMSContext *mms, uint8_t *buf, const int size)
-{
-    char *pos;
-    int size_to_copy;
-    int remaining_size = mms->asf_header_size - mms->asf_header_read_size;
-    size_to_copy = FFMIN(size, remaining_size);
-    pos = mms->asf_header + mms->asf_header_read_size;
-    memcpy(buf, pos, size_to_copy);
-    if (mms->asf_header_read_size == mms->asf_header_size) {
-        av_freep(&mms->asf_header); // which contains asf header
-    }
-    mms->asf_header_read_size += size_to_copy;
-    return size_to_copy;
-}
-
-int ff_mms_read_data(MMSContext *mms, uint8_t *buf, const int size)
-{
-    int read_size;
-    read_size = FFMIN(size, mms->remaining_in_len);
-    memcpy(buf, mms->read_in_ptr, read_size);
-    mms->remaining_in_len -= read_size;
-    mms->read_in_ptr      += read_size;
-    return read_size;
-}
-
-int ff_mms_asf_header_parser(MMSContext *mms)
-{
-    uint8_t *p = mms->asf_header;
-    uint8_t *end;
-    int flags, stream_id;
-    mms->stream_num = 0;
-
-    if (mms->asf_header_size < sizeof(ff_asf_guid) * 2 + 22 ||
-        memcmp(p, ff_asf_header, sizeof(ff_asf_guid))) {
-        av_log(NULL, AV_LOG_ERROR,
-               "Corrupt stream (invalid ASF header, size=%d)\n",
-               mms->asf_header_size);
-        return AVERROR_INVALIDDATA;
-    }
-
-    end = mms->asf_header + mms->asf_header_size;
-
-    p += sizeof(ff_asf_guid) + 14;
-    while(end - p >= sizeof(ff_asf_guid) + 8) {
-        uint64_t chunksize;
-        if (!memcmp(p, ff_asf_data_header, sizeof(ff_asf_guid))) {
-            chunksize = 50; // see Reference [2] section 5.1
-        } else {
-            chunksize = AV_RL64(p + sizeof(ff_asf_guid));
-        }
-        if (!chunksize || chunksize > end - p) {
-            av_log(NULL, AV_LOG_ERROR,
-                   "Corrupt stream (header chunksize %"PRId64" is invalid)\n",
-                   chunksize);
-            return AVERROR_INVALIDDATA;
-        }
-        if (!memcmp(p, ff_asf_file_header, sizeof(ff_asf_guid))) {
-            /* read packet size */
-            if (end - p > sizeof(ff_asf_guid) * 2 + 68) {
-                mms->asf_packet_len = AV_RL32(p + sizeof(ff_asf_guid) * 2 + 64);
-                if (mms->asf_packet_len <= 0 || mms->asf_packet_len > sizeof(mms->in_buffer)) {
-                    av_log(NULL, AV_LOG_ERROR,
-                           "Corrupt stream (too large pkt_len %d)\n",
-                           mms->asf_packet_len);
-                    return AVERROR_INVALIDDATA;
-                }
-            }
-        } else if (!memcmp(p, ff_asf_stream_header, sizeof(ff_asf_guid))) {
-            flags     = AV_RL16(p + sizeof(ff_asf_guid)*3 + 24);
-            stream_id = flags & 0x7F;
-            //The second condition is for checking CS_PKT_STREAM_ID_REQUEST packet size,
-            //we can calcuate the packet size by stream_num.
-            //Please see function send_stream_selection_request().
-            if (mms->stream_num < MMS_MAX_STREAMS &&
-                    46 + mms->stream_num * 6 < sizeof(mms->out_buffer)) {
-                mms->streams = av_fast_realloc(mms->streams,
-                                   &mms->nb_streams_allocated,
-                                   (mms->stream_num + 1) * sizeof(MMSStream));
-                mms->streams[mms->stream_num].id = stream_id;
-                mms->stream_num++;
-            } else {
-                av_log(NULL, AV_LOG_ERROR,
-                       "Corrupt stream (too many A/V streams)\n");
-                return AVERROR_INVALIDDATA;
-            }
-        } else if (!memcmp(p, ff_asf_ext_stream_header, sizeof(ff_asf_guid))) {
-            if (end - p >= 88) {
-                int stream_count = AV_RL16(p + 84), ext_len_count = AV_RL16(p + 86);
-                uint64_t skip_bytes = 88;
-                while (stream_count--) {
-                    if (end - p < skip_bytes + 4) {
-                        av_log(NULL, AV_LOG_ERROR,
-                               "Corrupt stream (next stream name length is not in the buffer)\n");
-                        return AVERROR_INVALIDDATA;
-                    }
-                    skip_bytes += 4 + AV_RL16(p + skip_bytes + 2);
-                }
-                while (ext_len_count--) {
-                    if (end - p < skip_bytes + 22) {
-                        av_log(NULL, AV_LOG_ERROR,
-                               "Corrupt stream (next extension system info length is not in the buffer)\n");
-                        return AVERROR_INVALIDDATA;
-                    }
-                    skip_bytes += 22 + AV_RL32(p + skip_bytes + 18);
-                }
-                if (end - p < skip_bytes) {
-                    av_log(NULL, AV_LOG_ERROR,
-                           "Corrupt stream (the last extension system info length is invalid)\n");
-                    return AVERROR_INVALIDDATA;
-                }
-                if (chunksize - skip_bytes > 24)
-                    chunksize = skip_bytes;
-            }
-        } else if (!memcmp(p, ff_asf_head1_guid, sizeof(ff_asf_guid))) {
-            chunksize = 46; // see references [2] section 3.4. This should be set 46.
-        }
-        p += chunksize;
-    }
-
-    return 0;
-}