523     GetByteCxt gb;  in get_tiles_info()  local
528     bytestream_init(&gb, tile_group->tile_data.data,  in get_tiles_info()
536             s->tile_offset_start[tile_num] = bytestream_tell(&gb) + s->tile_offset;  in get_tiles_info()
537 …s->tile_offset_end[tile_num] = bytestream_tell(&gb) + bytestream_get_bytes_left(&gb) + s->tile_off…  in get_tiles_info()
542         if (bytestream_get_bytes_left(&gb) < size_bytes)  in get_tiles_info()
546             size |= bytestream_get_byteu(&gb) << 8 * i;  in get_tiles_info()
547         if (bytestream_get_bytes_left(&gb) <= size)  in get_tiles_info()
551         s->tile_offset_start[tile_num] = bytestream_tell(&gb) + s->tile_offset;  in get_tiles_info()
553         s->tile_offset_end[tile_num] = bytestream_tell(&gb) + size + s->tile_offset;  in get_tiles_info()
555         bytestream_skipu(&gb, size);  in get_tiles_info()
1206 static inline int64_t leb128(BitReadCtx_t *gb)  in leb128()  argument
1213         mpp_read_bits(gb, 8, &byte);  in leb128()
1225     BitReadCtx_t gb;  in parse_obu_header()  local
1229     mpp_set_bitread_ctx(&gb, buf, MPP_MIN(buf_size, MAX_OBU_HEADER_SIZE));  in parse_obu_header()
1231     mpp_read_bits(&gb, 1, &value);  in parse_obu_header()
1235     mpp_read_bits(&gb, 4, type);  in parse_obu_header()
1236     mpp_read_bits(&gb, 1, &extension_flag);  in parse_obu_header()
1237     mpp_read_bits(&gb, 1, &has_size_flag);  in parse_obu_header()
1238     mpp_skip_bits(&gb, 1); // obu_reserved_1bit  in parse_obu_header()
1241         mpp_read_bits(&gb, 3, temporal_id);  in parse_obu_header()
1242         mpp_read_bits(&gb, 2, spatial_id);  in parse_obu_header()
1243         mpp_skip_bits(&gb, 3); // extension_header_reserved_3bits  in parse_obu_header()
1248     *obu_size  = has_size_flag ? leb128(&gb)  in parse_obu_header()
1251     if (mpp_get_bits_left(&gb) < 0)  in parse_obu_header()
1254     *start_pos = mpp_get_bits_count(&gb) / 8;  in parse_obu_header()