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avformat/rmdec: add some error messages 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-24 17:05:57 +02:00
parent f7106e00f7
commit aaf02f6ede
1 changed files with 13 additions and 4 deletions
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17
libavformat/rmdec.c
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@ -680,16 +680,20 @@ static int rm_assemble_video_frame(AVFormatContext *s, AVIOContext *pb,
pos = get_num(pb, &len);
pic_num = avio_r8(pb); len--;
}
if(len<0)
if(len<0) {
av_log(s, AV_LOG_ERROR, "Insuffient data\n");
return -1;
}
rm->remaining_len = len;
if(type&1){ // frame, not slice
if(type == 3){ // frame as a part of packet
len= len2;
*timestamp = pos;
}
if(rm->remaining_len < len)
if(rm->remaining_len < len) {
av_log(s, AV_LOG_ERROR, "Insuffient remaining len\n");
return -1;
}
rm->remaining_len -= len;
if(av_new_packet(pkt, len + 9) < 0)
return AVERROR(EIO);
@ -698,6 +702,7 @@ static int rm_assemble_video_frame(AVFormatContext *s, AVIOContext *pb,
AV_WL32(pkt->data + 5, 0);
if ((ret = avio_read(pb, pkt->data + 9, len)) != len) {
av_free_packet(pkt);
av_log(s, AV_LOG_ERROR, "Failed to read %d bytes\n", len);
return ret < 0 ? ret : AVERROR(EIO);
}
return 0;
@ -724,14 +729,18 @@ static int rm_assemble_video_frame(AVFormatContext *s, AVIOContext *pb,
if(type == 2)
len = FFMIN(len, pos);
if(++vst->cur_slice > vst->slices)
if(++vst->cur_slice > vst->slices) {
av_log(s, AV_LOG_ERROR, "cur slice %d, too large\n", vst->cur_slice);
return 1;
}
if(!vst->pkt.data)
return AVERROR(ENOMEM);
AV_WL32(vst->pkt.data - 7 + 8*vst->cur_slice, 1);
AV_WL32(vst->pkt.data - 3 + 8*vst->cur_slice, vst->videobufpos - 8*vst->slices - 1);
if(vst->videobufpos + len > vst->videobufsize)
if(vst->videobufpos + len > vst->videobufsize) {
av_log(s, AV_LOG_ERROR, "outside videobufsize\n");
return 1;
}
if (avio_read(pb, vst->pkt.data + vst->videobufpos, len) != len)
return AVERROR(EIO);
vst->videobufpos += len;