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avformat/flvenc: flx flvflags no_metadata bug 

When use flvflags no_metadata , the FLV header will be cover by write tailer
This commit fix the bug

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
This commit is contained in:
Steven Liu 2017-03-14 18:11:20 +08:00
parent d3ce067e76
commit 4e3cc4bdd8
1 changed files with 14 additions and 12 deletions
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26
libavformat/flvenc.c
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@ -848,20 +848,22 @@ end:
avio_seek(pb, flv->datasize_offset, SEEK_SET);
put_amf_double(pb, flv->datasize);
}
if (!(flv->flags & FLV_NO_DURATION_FILESIZE)) {
/* update information */
if (avio_seek(pb, flv->duration_offset, SEEK_SET) < 0) {
av_log(s, AV_LOG_WARNING, "Failed to update header with correct duration.\n");
} else {
put_amf_double(pb, flv->duration / (double)1000);
}
if (avio_seek(pb, flv->filesize_offset, SEEK_SET) < 0) {
av_log(s, AV_LOG_WARNING, "Failed to update header with correct filesize.\n");
} else {
put_amf_double(pb, file_size);
if (!(flv->flags & FLV_NO_METADATA)) {
if (!(flv->flags & FLV_NO_DURATION_FILESIZE)) {
/* update information */
if (avio_seek(pb, flv->duration_offset, SEEK_SET) < 0) {
av_log(s, AV_LOG_WARNING, "Failed to update header with correct duration.\n");
} else {
put_amf_double(pb, flv->duration / (double)1000);
}
if (avio_seek(pb, flv->filesize_offset, SEEK_SET) < 0) {
av_log(s, AV_LOG_WARNING, "Failed to update header with correct filesize.\n");
} else {
put_amf_double(pb, file_size);
}
}
}
avio_seek(pb, file_size, SEEK_SET);
return 0;
}