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asfdec: fix returned error codes

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Martin T. H. Sandsmark 2012-06-14 02:30:55 +02:00 committed by Michael Niedermayer
parent 2ad8ac886b
commit a5c1a0c070
1 changed files with 14 additions and 14 deletions
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28
libavformat/asfdec.c
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@ -580,7 +580,7 @@ static int asf_read_header(AVFormatContext *s)
ff_get_guid(pb, &g);
if (ff_guidcmp(&g, &ff_asf_header))
return -1;
return AVERROR_INVALIDDATA;
avio_rl64(pb);
avio_rl32(pb);
avio_r8(pb);
@ -604,7 +604,7 @@ static int asf_read_header(AVFormatContext *s)
break;
}
if (gsize < 24)
return -1;
return AVERROR_INVALIDDATA;
if (!ff_guidcmp(&g, &ff_asf_file_header)) {
int ret = asf_read_file_properties(s, gsize);
if (ret < 0)
@ -632,7 +632,7 @@ static int asf_read_header(AVFormatContext *s)
} else if (!ff_guidcmp(&g, &ff_asf_marker_header)) {
asf_read_marker(s, gsize);
} else if (url_feof(pb)) {
return -1;
return AVERROR_EOF;
} else {
if (!s->keylen) {
if (!ff_guidcmp(&g, &ff_asf_content_encryption)) {
@ -665,7 +665,7 @@ static int asf_read_header(AVFormatContext *s)
avio_r8(pb);
avio_r8(pb);
if (url_feof(pb))
return -1;
return AVERROR_EOF;
asf->data_offset = avio_tell(pb);
asf->packet_size_left = 0;
@ -758,7 +758,7 @@ static int ff_asf_get_packet(AVFormatContext *s, AVIOContext *pb)
if (d || e) {
if (!url_feof(pb))
av_log(s, AV_LOG_ERROR, "ff asf bad non zero\n");
return -1;
return AVERROR_INVALIDDATA;
}
c= avio_r8(pb);
d= avio_r8(pb);
@ -777,11 +777,11 @@ static int ff_asf_get_packet(AVFormatContext *s, AVIOContext *pb)
//the following checks prevent overflows and infinite loops
if(!packet_length || packet_length >= (1U<<29)){
av_log(s, AV_LOG_ERROR, "invalid packet_length %d at:%"PRId64"\n", packet_length, avio_tell(pb));
return -1;
return AVERROR_INVALIDDATA;
}
if(padsize >= packet_length){
av_log(s, AV_LOG_ERROR, "invalid padsize %d at:%"PRId64"\n", padsize, avio_tell(pb));
return -1;
return AVERROR_INVALIDDATA;
}
asf->packet_timestamp = avio_rl32(pb);
@ -800,7 +800,7 @@ static int ff_asf_get_packet(AVFormatContext *s, AVIOContext *pb)
av_log(s, AV_LOG_ERROR,
"invalid packet header length %d for pktlen %d-%d at %"PRId64"\n",
rsize, packet_length, padsize, avio_tell(pb));
return -1;
return AVERROR_INVALIDDATA;
}
asf->packet_size_left = packet_length - padsize - rsize;
if (packet_length < asf->hdr.min_pktsize)
@ -830,13 +830,13 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){
//printf("key:%d stream:%d seq:%d offset:%d replic_size:%d\n", asf->packet_key_frame, asf->stream_index, asf->packet_seq, //asf->packet_frag_offset, asf->packet_replic_size);
if (rsize+asf->packet_replic_size > asf->packet_size_left) {
av_log(s, AV_LOG_ERROR, "packet_replic_size %d is invalid\n", asf->packet_replic_size);
return -1;
return AVERROR_INVALIDDATA;
}
if (asf->packet_replic_size >= 8) {
asf->packet_obj_size = avio_rl32(pb);
if(asf->packet_obj_size >= (1<<24) || asf->packet_obj_size <= 0){
av_log(s, AV_LOG_ERROR, "packet_obj_size invalid\n");
return -1;
return AVERROR_INVALIDDATA;
}
asf->packet_frag_timestamp = avio_rl32(pb); // timestamp
if(asf->packet_replic_size >= 8+38+4){
@ -864,17 +864,17 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){
rsize++;
}else if(asf->packet_replic_size!=0){
av_log(s, AV_LOG_ERROR, "unexpected packet_replic_size of %d\n", asf->packet_replic_size);
return -1;
return AVERROR_INVALIDDATA;
}
if (asf->packet_flags & 0x01) {
DO_2BITS(asf->packet_segsizetype >> 6, asf->packet_frag_size, 0); // 0 is illegal
if (rsize > asf->packet_size_left) {
av_log(s, AV_LOG_ERROR, "packet_replic_size is invalid\n");
return -1;
return AVERROR_INVALIDDATA;
} else if(asf->packet_frag_size > asf->packet_size_left - rsize){
if (asf->packet_frag_size > asf->packet_size_left - rsize + asf->packet_padsize) {
av_log(s, AV_LOG_ERROR, "packet_frag_size is invalid (%d-%d)\n", asf->packet_size_left, rsize);
return -1;
return AVERROR_INVALIDDATA;
} else {
int diff = asf->packet_frag_size - (asf->packet_size_left - rsize);
asf->packet_size_left += diff;
@ -889,7 +889,7 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){
if (asf->packet_replic_size == 1) {
asf->packet_multi_size = asf->packet_frag_size;
if (asf->packet_multi_size > asf->packet_size_left)
return -1;
return AVERROR_INVALIDDATA;
}
asf->packet_size_left -= rsize;
//printf("___objsize____ %d %d rs:%d\n", asf->packet_obj_size, asf->packet_frag_offset, rsize);