Function dv_frame_offset

libavformat/dv.c:367–382

}

static int64_t dv_frame_offset(AVFormatContext *s, DVDemuxContext *c,
                              int64_t timestamp, int flags)
{
    // FIXME: sys may be wrong if last dv_read_packet() failed (buffer is junk)
    const DVprofile* sys = ff_dv_codec_profile(c->vst->codec);
    int64_t offset;
    int64_t size = url_fsize(s->pb);
    int64_t max_offset = ((size-1) / sys->frame_size) * sys->frame_size;

    offset = sys->frame_size * timestamp;

    if (size >= 0 && offset > max_offset) offset = max_offset;
    else if (offset < 0) offset = 0;

    return offset;
}

void dv_offset_reset(DVDemuxContext *c, int64_t frame_offset)
{