if (v & XING_FLAG_FRAMES)
mp3->frames = avio_rb32(s->pb);
if (v & XING_FLAG_SIZE)
- mp3->size = avio_rb32(s->pb);
- if (v & XING_FLAG_TOC && mp3->frames)
- read_xing_toc(s, mp3->size, av_rescale_q(mp3->frames,
+ mp3->header_filesize = avio_rb32(s->pb);
+ if (fsize && mp3->header_filesize) {
+ uint64_t min, delta;
+ min = FFMIN(fsize, mp3->header_filesize);
+ delta = FFMAX(fsize, mp3->header_filesize) - min;
+ if (fsize > mp3->header_filesize && delta > min >> 4) {
+ mp3->frames = 0;
+ } else if (delta > min >> 4) {
+ av_log(s, AV_LOG_WARNING,
+ "filesize and duration do not match (growing file?)\n");
+ }
+ }
+ if (v & XING_FLAG_TOC)
+ read_xing_toc(s, mp3->header_filesize, av_rescale_q(mp3->frames,
(AVRational){spf, c->sample_rate},
st->time_base));
-
/* VBR quality */
- if(v & 8)
- avio_skip(s->pb, 4);
+ if (v & XING_FLAC_QSCALE)
+ avio_rb32(s->pb);
/* Encoder short version string */
memset(version, 0, sizeof(version));