Exemplo n.º 1
0
def make_QLBQ(path_payload, start, duration):
    payloadlen = os.stat(path_payload).st_size
    is_pvr = True
    
    logger.debug('[DVRWriter] => start = {0}, {1}'.format(api.bl_int_ts2bl_str(start), start))
    logger.debug('[DVRWriter] => duration = {0}'.format(duration))
    logger.debug('[DVRWriter] => is_pvr = {0}'.format(is_pvr))
    logger.debug('[DVRWriter] => payloadlen = {0}'.format(payloadlen))
    logger.debug('[DVRWriter] => path_payload = {0}'.format(path_payload))
    
    return start, duration, is_pvr, payloadlen
Exemplo n.º 2
0
def request_names(rtp_db, startstamp, duration):
    dvr_lst = load_dvr_lst(rtp_db)
    if dvr_lst:
        if is_internal_pts_sort:
            def make_fname(int_ts):
                return "=%s=" % int_ts
            def un_fname(x):
                return int(x.split("=")[1])
            def less_op(x1, x2):
                return un_fname(x1) < un_fname(x2)
                
            beg = bisect_left(dvr_lst, make_fname(startstamp), less_op=less_op)
            end = bisect_right(dvr_lst, make_fname(startstamp+duration), less_op=less_op)
        else:
            beg = bisect_left(dvr_lst, api.bl_int_ts2bl_str(startstamp))
            end = bisect_right(dvr_lst, api.bl_int_ts2bl_str(startstamp+duration))
        
        lst = dvr_lst[beg:end]
    else:
        lst = []
    return lst
Exemplo n.º 3
0
def write_to_dvr(dvr_writer, chunk_fpath, utc_ts, duration, chunk_range):
    """ Все временные типы здесь - в миллисекундах """
    res = True
    if configuration.local_dvr:
        dvr_dir = api.rtp2local_dvr(chunk_range.r_t_p, configuration.db_path)
        import o_p
        o_p.force_makedirs(dvr_dir)
        
        import datetime
        fname = "%s=%s=%s.dvr" % (api.bl_int_ts2bl_str(utc_ts), utc_ts, duration)
        import shutil
        shutil.copyfile(chunk_fpath, os.path.join(dvr_dir, fname))
    else:
        if write_dvr_per_profile:
            # расчет суммы размеров очередей по всем сокетам
            if not "queue_size" in dir(dvr_writer):
                dvr_writer.queue_size = 0
            
            obj = chunk_range
            def write_func(stream, is_first):
                if is_first:
                    use_cmd = api.pack_rtp_cmd(WriteCmd.USE, chunk_range.r_t_p, '')
                    stream.write(use_cmd)
                    
                    def on_queue_change(change):
                        dvr_writer.queue_size += change
                    stream.on_queue_change = on_queue_change
                    
                qlbq = make_QLBQ(chunk_fpath, utc_ts, duration)
                pack = api.pack_cmd(
                    "QLBQ",
                    WriteCmd.DATA,
                    *qlbq
                )
                
                write_chunk(stream, chunk_fpath, qlbq[-1], pack)
                log_queue(dvr_writer.queue_size)
        else:
            obj = dvr_writer
            def write_func(stream, is_first):
                write_full_chunk(
                    stream,
                    chunk_range,
                    start_ts=start_ts,
                    duration=duration,
                    chunk_fpath=chunk_fpath,
                )
                    
        res = api.connect_to_dvr(obj, (dvr_writer.host, dvr_writer.port), write_func)
        
    return res
Exemplo n.º 4
0
#!/usr/bin/env python3
# coding: utf-8

if __name__ == '__main__':
    import api

    for date_str in ["161005131708.111", "19700101000200.000"]:
        ts = api.parse_bl_ts(date_str)
        #print(ts)

        date_str2 = api.bl_int_ts2bl_str(ts)
        assert date_str == date_str2

    if False:
        full_lst = [chr(idx) for idx in range(ord('a'), ord('z') + 1)]
        stream_range = {
            "names": "a, b, c, d, p-x",
            #"part":   "1, 4 - 6 / 6",
            #"python": [[1, [4, 6]], 6],
            "size": 10,
        }
        stream_lst = api.calc_from_stream_range(full_lst, stream_range)
        print(stream_lst)

    if False:
        import datetime
        now = datetime.datetime.utcnow()
        print(now)
        res = api.calc_flv_ts(now)
        print("%x" % res)
Exemplo n.º 5
0
#!/usr/bin/env python3
# coding: utf-8

if __name__ == "__main__":
    import api

    for date_str in ["161005131708.111", "19700101000200.000"]:
        ts = api.parse_bl_ts(date_str)
        # print(ts)

        date_str2 = api.bl_int_ts2bl_str(ts)
        assert date_str == date_str2

    if False:
        full_lst = [chr(idx) for idx in range(ord("a"), ord("z") + 1)]
        stream_range = {
            "names": "a, b, c, d, p-x",
            # "part":   "1, 4 - 6 / 6",
            # "python": [[1, [4, 6]], 6],
            "size": 10,
        }
        stream_lst = api.calc_from_stream_range(full_lst, stream_range)
        print(stream_lst)

    if False:
        import datetime

        now = datetime.datetime.utcnow()
        print(now)
        res = api.calc_flv_ts(now)
        print("%x" % res)